./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 eb692b52 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-?-eb692b5 [2022-07-20 03:14:58,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:14:58,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:14:58,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:14:58,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:14:58,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:14:58,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:14:58,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:14:58,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:14:58,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:14:58,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:14:58,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:14:58,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:14:58,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:14:58,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:14:58,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:14:58,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:14:58,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:14:58,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:14:58,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:14:58,439 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:14:58,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:14:58,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:14:58,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:14:58,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:14:58,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:14:58,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:14:58,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:14:58,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:14:58,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:14:58,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:14:58,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:14:58,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:14:58,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:14:58,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:14:58,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:14:58,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:14:58,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:14:58,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:14:58,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:14:58,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:14:58,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:14:58,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:14:58,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:14:58,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:14:58,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:14:58,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:14:58,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:14:58,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:14:58,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:14:58,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:14:58,497 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:14:58,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:14:58,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:14:58,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:14:58,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:14:58,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:14:58,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:14:58,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:14:58,499 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:14:58,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:14:58,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:14:58,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:14:58,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:14:58,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:14:58,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:14:58,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:14:58,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:14:58,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:14:58,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:14:58,501 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:14:58,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:14:58,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:14:58,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-20 03:14:58,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:14:58,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:14:58,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:14:58,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:14:58,765 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:14:58,766 INFO L432 ainManager$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 [2022-07-20 03:14:58,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e824fdc0a/94a775b5cbf84e4ab4814fdc809c001b/FLAGc48c49e95 [2022-07-20 03:14:59,617 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:14:59,618 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 [2022-07-20 03:14:59,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e824fdc0a/94a775b5cbf84e4ab4814fdc809c001b/FLAGc48c49e95 [2022-07-20 03:15:00,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e824fdc0a/94a775b5cbf84e4ab4814fdc809c001b [2022-07-20 03:15:00,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:15:00,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:15:00,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:15:00,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:15:00,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:15:00,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:15:00" (1/1) ... [2022-07-20 03:15:00,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abdc712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:00, skipping insertion in model container [2022-07-20 03:15:00,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:15:00" (1/1) ... [2022-07-20 03:15:00,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:15:00,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:15:03,570 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] [2022-07-20 03:15:03,573 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] [2022-07-20 03:15:03,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:15:03,687 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:15:03,906 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) [2022-07-20 03:15:03,912 INFO L158 Benchmark]: Toolchain (without parser) took 3801.96ms. Allocated memory was 94.4MB in the beginning and 184.5MB in the end (delta: 90.2MB). Free memory was 48.6MB in the beginning and 80.4MB in the end (delta: -31.9MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2022-07-20 03:15:03,913 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 03:15:03,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3799.24ms. Allocated memory was 94.4MB in the beginning and 184.5MB in the end (delta: 90.2MB). Free memory was 48.4MB in the beginning and 80.4MB in the end (delta: -32.1MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2022-07-20 03:15:03,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3799.24ms. Allocated memory was 94.4MB in the beginning and 184.5MB in the end (delta: 90.2MB). Free memory was 48.4MB in the beginning and 80.4MB in the end (delta: -32.1MB). Peak memory consumption was 70.9MB. 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-?-eb692b5 [2022-07-20 03:15:05,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:15:05,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:15:05,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:15:05,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:15:05,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:15:05,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:15:05,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:15:05,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:15:05,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:15:05,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:15:05,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:15:05,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:15:05,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:15:05,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:15:05,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:15:05,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:15:05,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:15:05,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:15:05,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:15:05,721 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:15:05,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:15:05,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:15:05,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:15:05,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:15:05,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:15:05,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:15:05,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:15:05,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:15:05,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:15:05,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:15:05,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:15:05,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:15:05,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:15:05,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:15:05,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:15:05,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:15:05,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:15:05,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:15:05,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:15:05,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:15:05,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:15:05,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 03:15:05,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:15:05,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:15:05,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:15:05,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:15:05,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:15:05,777 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:15:05,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:15:05,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:15:05,778 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:15:05,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:15:05,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:15:05,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:15:05,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:15:05,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:15:05,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 03:15:05,780 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 03:15:05,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 03:15:05,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:15:05,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:15:05,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:15:05,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:15:05,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:15:05,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:15:05,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:15:05,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:15:05,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:15:05,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:15:05,783 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 03:15:05,783 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 03:15:05,783 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:15:05,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:15:05,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:15:05,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 03:15:05,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-20 03:15:06,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:15:06,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:15:06,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:15:06,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:15:06,112 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:15:06,113 INFO L432 ainManager$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 [2022-07-20 03:15:06,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2229c2f85/598367a362084dc78f73b206d162437b/FLAGbe614428c [2022-07-20 03:15:07,041 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:15:07,042 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 [2022-07-20 03:15:07,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2229c2f85/598367a362084dc78f73b206d162437b/FLAGbe614428c [2022-07-20 03:15:07,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2229c2f85/598367a362084dc78f73b206d162437b [2022-07-20 03:15:07,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:15:07,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:15:07,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:15:07,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:15:07,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:15:07,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:15:07" (1/1) ... [2022-07-20 03:15:07,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528007e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:07, skipping insertion in model container [2022-07-20 03:15:07,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:15:07" (1/1) ... [2022-07-20 03:15:07,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:15:07,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:15:10,155 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-20 03:15:10,206 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-20 03:15:10,247 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-20 03:15:10,828 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] [2022-07-20 03:15:10,831 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] [2022-07-20 03:15:10,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:15:10,918 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 03:15:11,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:15:11,357 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] [2022-07-20 03:15:11,358 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] [2022-07-20 03:15:11,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:15:11,392 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:15:11,835 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] [2022-07-20 03:15:11,835 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] [2022-07-20 03:15:11,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:15:12,038 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:15:12,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12 WrapperNode [2022-07-20 03:15:12,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:15:12,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:15:12,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:15:12,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:15:12,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,375 INFO L137 Inliner]: procedures = 536, calls = 3820, calls flagged for inlining = 276, calls inlined = 261, statements flattened = 6676 [2022-07-20 03:15:12,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:15:12,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:15:12,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:15:12,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:15:12,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:15:12,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:15:12,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:15:12,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:15:12,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (1/1) ... [2022-07-20 03:15:12,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:15:12,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:15:12,796 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) [2022-07-20 03:15:12,819 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 [2022-07-20 03:15:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-20 03:15:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-20 03:15:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-20 03:15:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-20 03:15:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-20 03:15:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-20 03:15:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-20 03:15:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-20 03:15:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:15:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:15:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:15:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:15:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:15:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:15:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-20 03:15:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-20 03:15:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-20 03:15:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-20 03:15:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:15:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:15:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:15:12,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:15:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:15:12,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:15:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-20 03:15:12,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-20 03:15:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-20 03:15:12,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-20 03:15:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-20 03:15:12,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-20 03:15:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:15:12,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:15:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-20 03:15:12,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-20 03:15:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-20 03:15:12,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-20 03:15:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-20 03:15:12,836 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-20 03:15:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:15:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:15:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 03:15:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 03:15:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-20 03:15:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-20 03:15:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:15:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-20 03:15:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-20 03:15:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 03:15:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 03:15:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 03:15:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 03:15:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-20 03:15:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-20 03:15:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-20 03:15:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-20 03:15:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-20 03:15:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-20 03:15:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-07-20 03:15:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-07-20 03:15:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:15:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:15:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:15:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:15:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-20 03:15:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-20 03:15:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:15:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:15:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-20 03:15:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-20 03:15:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:15:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:15:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-20 03:15:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-20 03:15:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:15:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:15:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:15:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:15:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:15:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:15:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:15:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:15:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 03:15:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 03:15:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-20 03:15:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-20 03:15:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-20 03:15:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-20 03:15:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-20 03:15:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-20 03:15:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:15:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:15:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:15:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:15:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-20 03:15:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-20 03:15:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-20 03:15:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-20 03:15:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-20 03:15:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-20 03:15:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-20 03:15:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-20 03:15:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:15:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:15:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:15:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:15:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:15:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:15:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 03:15:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 03:15:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-20 03:15:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-20 03:15:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-20 03:15:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-20 03:15:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:15:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:15:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:15:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:15:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:15:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 03:15:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 03:15:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:15:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:15:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 03:15:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:15:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:15:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-20 03:15:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-20 03:15:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 03:15:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 03:15:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-07-20 03:15:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-07-20 03:15:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-20 03:15:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-20 03:15:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:15:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:15:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-20 03:15:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-20 03:15:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-20 03:15:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-20 03:15:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-20 03:15:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-20 03:15:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-20 03:15:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-20 03:15:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-20 03:15:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-20 03:15:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 03:15:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-20 03:15:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-20 03:15:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:15:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:15:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 03:15:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 03:15:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 03:15:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-20 03:15:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-20 03:15:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 03:15:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 03:15:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:15:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 03:15:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:15:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:15:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:15:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-20 03:15:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-20 03:15:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-07-20 03:15:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-07-20 03:15:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-20 03:15:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-20 03:15:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-20 03:15:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-20 03:15:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-20 03:15:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-20 03:15:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-20 03:15:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-20 03:15:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:15:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:15:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 03:15:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 03:15:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-20 03:15:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-20 03:15:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:15:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:15:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 03:15:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 03:15:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-20 03:15:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-20 03:15:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:15:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-20 03:15:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-20 03:15:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:15:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 03:15:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 03:15:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 03:15:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 03:15:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:15:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-20 03:15:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-20 03:15:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:15:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:15:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-20 03:15:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-20 03:15:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-20 03:15:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-20 03:15:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-20 03:15:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-20 03:15:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-20 03:15:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-20 03:15:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-20 03:15:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-20 03:15:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:15:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:15:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-20 03:15:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-20 03:15:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 03:15:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 03:15:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-20 03:15:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-20 03:15:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 03:15:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 03:15:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 03:15:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 03:15:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:15:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:15:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-20 03:15:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-20 03:15:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-20 03:15:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-20 03:15:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-07-20 03:15:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-07-20 03:15:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-20 03:15:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-20 03:15:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-20 03:15:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-20 03:15:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-20 03:15:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-20 03:15:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:15:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:15:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-20 03:15:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-20 03:15:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 03:15:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 03:15:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-20 03:15:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-20 03:15:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-20 03:15:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-20 03:15:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-20 03:15:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 03:15:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 03:15:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-20 03:15:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-20 03:15:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:15:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:15:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-20 03:15:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-20 03:15:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-20 03:15:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-20 03:15:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-20 03:15:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-20 03:15:13,974 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:15:13,977 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:15:14,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:15:47,861 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:15:47,973 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:15:47,999 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:15:47,999 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 03:15:48,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:15:48 BoogieIcfgContainer [2022-07-20 03:15:48,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:15:48,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:15:48,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:15:48,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:15:48,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:15:07" (1/3) ... [2022-07-20 03:15:48,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c71037b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:15:48, skipping insertion in model container [2022-07-20 03:15:48,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:15:12" (2/3) ... [2022-07-20 03:15:48,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c71037b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:15:48, skipping insertion in model container [2022-07-20 03:15:48,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:15:48" (3/3) ... [2022-07-20 03:15:48,012 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-20 03:15:48,026 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:15:48,026 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:15:48,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:15:48,150 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@598cfaf9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2843a3ae [2022-07-20 03:15:48,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:15:48,162 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) [2022-07-20 03:15:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-20 03:15:48,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:48,221 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] [2022-07-20 03:15:48,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:48,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:48,226 INFO L85 PathProgramCache]: Analyzing trace with hash 670640399, now seen corresponding path program 1 times [2022-07-20 03:15:48,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:48,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155067398] [2022-07-20 03:15:48,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:48,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:48,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:48,251 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) [2022-07-20 03:15:48,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 03:15:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:55,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 4201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:55,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-20 03:15:55,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:55,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:55,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155067398] [2022-07-20 03:15:55,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155067398] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:55,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:55,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:15:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024736741] [2022-07-20 03:15:55,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:55,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:55,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:55,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:55,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:55,585 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) [2022-07-20 03:15:57,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:57,288 INFO L93 Difference]: Finished difference Result 9025 states and 13628 transitions. [2022-07-20 03:15:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:57,291 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 [2022-07-20 03:15:57,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:57,374 INFO L225 Difference]: With dead ends: 9025 [2022-07-20 03:15:57,374 INFO L226 Difference]: Without dead ends: 5927 [2022-07-20 03:15:57,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:57,425 INFO L413 NwaCegarLoop]: 5801 mSDtfsCounter, 4366 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4366 SdHoareTripleChecker+Valid, 10348 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:57,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4366 Valid, 10348 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-20 03:15:57,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2022-07-20 03:15:57,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 5918. [2022-07-20 03:15:57,964 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) [2022-07-20 03:15:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5918 states to 5918 states and 8862 transitions. [2022-07-20 03:15:58,023 INFO L78 Accepts]: Start accepts. Automaton has 5918 states and 8862 transitions. Word has length 473 [2022-07-20 03:15:58,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:58,026 INFO L495 AbstractCegarLoop]: Abstraction has 5918 states and 8862 transitions. [2022-07-20 03:15:58,027 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) [2022-07-20 03:15:58,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5918 states and 8862 transitions. [2022-07-20 03:15:58,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-20 03:15:58,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:58,044 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] [2022-07-20 03:15:58,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-20 03:15:58,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:58,264 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:58,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:58,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1060216007, now seen corresponding path program 1 times [2022-07-20 03:15:58,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:58,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762961230] [2022-07-20 03:15:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:58,268 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:58,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:58,270 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) [2022-07-20 03:15:58,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 03:16:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:04,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 4146 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:16:04,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:16:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-20 03:16:05,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:16:05,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:16:05,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762961230] [2022-07-20 03:16:05,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [762961230] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:16:05,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:16:05,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:16:05,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700769960] [2022-07-20 03:16:05,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:16:05,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:16:05,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:16:05,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:16:05,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:16:05,096 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) [2022-07-20 03:16:06,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:16:06,744 INFO L93 Difference]: Finished difference Result 17424 states and 26130 transitions. [2022-07-20 03:16:06,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:16:06,745 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 [2022-07-20 03:16:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:16:06,842 INFO L225 Difference]: With dead ends: 17424 [2022-07-20 03:16:06,842 INFO L226 Difference]: Without dead ends: 11583 [2022-07-20 03:16:06,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:16:06,882 INFO L413 NwaCegarLoop]: 5707 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:16:06,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 03:16:06,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2022-07-20 03:16:07,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 11567. [2022-07-20 03:16:07,574 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) [2022-07-20 03:16:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 17338 transitions. [2022-07-20 03:16:07,691 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 17338 transitions. Word has length 472 [2022-07-20 03:16:07,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:16:07,692 INFO L495 AbstractCegarLoop]: Abstraction has 11567 states and 17338 transitions. [2022-07-20 03:16:07,693 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) [2022-07-20 03:16:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 17338 transitions. [2022-07-20 03:16:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-20 03:16:07,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:16:07,711 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] [2022-07-20 03:16:07,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 03:16:07,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:16:07,931 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:16:07,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:16:07,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1765422860, now seen corresponding path program 1 times [2022-07-20 03:16:07,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:16:07,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568523203] [2022-07-20 03:16:07,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:16:07,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:16:07,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:16:07,937 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) [2022-07-20 03:16:07,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 03:16:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:14,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 4147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:16:14,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:16:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-20 03:16:14,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:16:14,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:16:14,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568523203] [2022-07-20 03:16:14,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568523203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:16:14,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:16:14,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:16:14,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632149341] [2022-07-20 03:16:14,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:16:14,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:16:14,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:16:14,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:16:14,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:16:14,804 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) [2022-07-20 03:16:16,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:16:16,806 INFO L93 Difference]: Finished difference Result 34203 states and 51324 transitions. [2022-07-20 03:16:16,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:16:16,807 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 [2022-07-20 03:16:16,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:16:16,974 INFO L225 Difference]: With dead ends: 34203 [2022-07-20 03:16:16,974 INFO L226 Difference]: Without dead ends: 22713 [2022-07-20 03:16:17,054 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 [2022-07-20 03:16:17,057 INFO L413 NwaCegarLoop]: 5710 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:16:17,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10186 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 03:16:17,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22713 states. [2022-07-20 03:16:18,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22713 to 22679. [2022-07-20 03:16:18,443 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) [2022-07-20 03:16:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 34010 transitions. [2022-07-20 03:16:18,632 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 34010 transitions. Word has length 473 [2022-07-20 03:16:18,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:16:18,633 INFO L495 AbstractCegarLoop]: Abstraction has 22679 states and 34010 transitions. [2022-07-20 03:16:18,634 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) [2022-07-20 03:16:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 34010 transitions. [2022-07-20 03:16:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-20 03:16:18,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:16:18,643 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] [2022-07-20 03:16:18,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 03:16:18,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:16:18,868 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:16:18,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:16:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash 182109860, now seen corresponding path program 1 times [2022-07-20 03:16:18,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:16:18,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055670872] [2022-07-20 03:16:18,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:16:18,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:16:18,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:16:18,875 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) [2022-07-20 03:16:18,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 03:16:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:25,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 4148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:16:25,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:16:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-20 03:16:26,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:16:26,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:16:26,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055670872] [2022-07-20 03:16:26,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055670872] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:16:26,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:16:26,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:16:26,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965526985] [2022-07-20 03:16:26,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:16:26,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:16:26,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:16:26,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:16:26,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:16:26,076 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) [2022-07-20 03:16:28,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:16:28,449 INFO L93 Difference]: Finished difference Result 66986 states and 100578 transitions. [2022-07-20 03:16:28,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:16:28,449 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 [2022-07-20 03:16:28,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:16:28,799 INFO L225 Difference]: With dead ends: 66986 [2022-07-20 03:16:28,799 INFO L226 Difference]: Without dead ends: 44384 [2022-07-20 03:16:28,933 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 [2022-07-20 03:16:28,935 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:16:28,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4298 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 03:16:29,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44384 states. [2022-07-20 03:16:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44384 to 44310. [2022-07-20 03:16:31,495 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) [2022-07-20 03:16:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44310 states to 44310 states and 66496 transitions. [2022-07-20 03:16:32,099 INFO L78 Accepts]: Start accepts. Automaton has 44310 states and 66496 transitions. Word has length 474 [2022-07-20 03:16:32,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:16:32,102 INFO L495 AbstractCegarLoop]: Abstraction has 44310 states and 66496 transitions. [2022-07-20 03:16:32,102 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) [2022-07-20 03:16:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 44310 states and 66496 transitions. [2022-07-20 03:16:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-20 03:16:32,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:16:32,110 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] [2022-07-20 03:16:32,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 03:16:32,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:16:32,332 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:16:32,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:16:32,333 INFO L85 PathProgramCache]: Analyzing trace with hash -188228085, now seen corresponding path program 1 times [2022-07-20 03:16:32,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:16:32,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43944851] [2022-07-20 03:16:32,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:16:32,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:16:32,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:16:32,340 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) [2022-07-20 03:16:32,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 03:16:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:39,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 4202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:16:39,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:16:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-20 03:16:39,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:16:39,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:16:39,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43944851] [2022-07-20 03:16:39,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43944851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:16:39,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:16:39,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:16:39,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954655644] [2022-07-20 03:16:39,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:16:39,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:16:39,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:16:39,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:16:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:16:39,813 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) [2022-07-20 03:16:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:16:43,431 INFO L93 Difference]: Finished difference Result 126319 states and 189733 transitions. [2022-07-20 03:16:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:16:43,432 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 [2022-07-20 03:16:43,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:16:44,210 INFO L225 Difference]: With dead ends: 126319 [2022-07-20 03:16:44,210 INFO L226 Difference]: Without dead ends: 82086 [2022-07-20 03:16:44,449 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 [2022-07-20 03:16:44,450 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 [2022-07-20 03:16:44,450 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] [2022-07-20 03:16:44,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82086 states. [2022-07-20 03:16:47,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82086 to 82068. [2022-07-20 03:16:47,969 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) [2022-07-20 03:16:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82068 states to 82068 states and 123077 transitions. [2022-07-20 03:16:49,431 INFO L78 Accepts]: Start accepts. Automaton has 82068 states and 123077 transitions. Word has length 474 [2022-07-20 03:16:49,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:16:49,432 INFO L495 AbstractCegarLoop]: Abstraction has 82068 states and 123077 transitions. [2022-07-20 03:16:49,433 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) [2022-07-20 03:16:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 82068 states and 123077 transitions. [2022-07-20 03:16:49,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-20 03:16:49,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:16:49,439 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] [2022-07-20 03:16:49,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-20 03:16:49,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:16:49,656 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:16:49,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:16:49,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1165557520, now seen corresponding path program 1 times [2022-07-20 03:16:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:16:49,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743774113] [2022-07-20 03:16:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:16:49,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:16:49,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:16:49,661 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) [2022-07-20 03:16:49,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 03:16:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:56,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:16:56,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:16:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-20 03:16:56,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:16:56,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:16:56,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743774113] [2022-07-20 03:16:56,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743774113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:16:56,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:16:56,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:16:56,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465184405] [2022-07-20 03:16:56,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:16:56,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:16:56,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:16:56,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:16:56,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:16:56,928 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) [2022-07-20 03:17:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:17:02,418 INFO L93 Difference]: Finished difference Result 240731 states and 362910 transitions. [2022-07-20 03:17:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:17:02,419 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 [2022-07-20 03:17:02,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:17:04,013 INFO L225 Difference]: With dead ends: 240731 [2022-07-20 03:17:04,013 INFO L226 Difference]: Without dead ends: 158740 [2022-07-20 03:17:04,430 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 [2022-07-20 03:17:04,431 INFO L413 NwaCegarLoop]: 5728 mSDtfsCounter, 4232 mSDsluCounter, 4530 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 10258 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:17:04,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 10258 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:17:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158740 states. [2022-07-20 03:17:11,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158740 to 158674. [2022-07-20 03:17:12,121 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) [2022-07-20 03:17:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158674 states to 158674 states and 239753 transitions. [2022-07-20 03:17:14,049 INFO L78 Accepts]: Start accepts. Automaton has 158674 states and 239753 transitions. Word has length 482 [2022-07-20 03:17:14,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:17:14,050 INFO L495 AbstractCegarLoop]: Abstraction has 158674 states and 239753 transitions. [2022-07-20 03:17:14,051 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) [2022-07-20 03:17:14,051 INFO L276 IsEmpty]: Start isEmpty. Operand 158674 states and 239753 transitions. [2022-07-20 03:17:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-20 03:17:14,058 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:17:14,058 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] [2022-07-20 03:17:14,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-20 03:17:14,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:17:14,272 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:17:14,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:17:14,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1165168756, now seen corresponding path program 1 times [2022-07-20 03:17:14,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:17:14,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048204007] [2022-07-20 03:17:14,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:17:14,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:17:14,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:17:14,280 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) [2022-07-20 03:17:14,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 03:17:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:21,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:17:21,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:17:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6147 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 5904 trivial. 0 not checked. [2022-07-20 03:17:22,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:17:22,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:17:22,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048204007] [2022-07-20 03:17:22,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048204007] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:17:22,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:17:22,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:17:22,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766185290] [2022-07-20 03:17:22,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:17:22,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:17:22,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:17:22,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:17:22,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:17:22,089 INFO L87 Difference]: Start difference. First operand 158674 states and 239753 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-20 03:17:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:17:33,120 INFO L93 Difference]: Finished difference Result 389993 states and 589699 transitions. [2022-07-20 03:17:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:17:33,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 538 [2022-07-20 03:17:33,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted.