./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.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 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:02:17,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:02:17,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:02:17,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:02:17,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:02:17,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:02:17,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:02:17,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:02:17,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:02:17,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:02:17,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:02:17,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:02:17,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:02:17,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:02:17,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:02:17,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:02:17,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:02:17,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:02:17,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:02:17,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:02:17,404 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:02:17,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:02:17,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:02:17,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:02:17,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:02:17,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:02:17,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:02:17,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:02:17,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:02:17,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:02:17,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:02:17,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:02:17,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:02:17,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:02:17,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:02:17,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:02:17,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:02:17,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:02:17,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:02:17,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:02:17,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:02:17,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:02:17,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:02:17,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:02:17,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:02:17,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:02:17,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:02:17,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:02:17,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:02:17,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:02:17,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:02:17,451 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:02:17,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:02:17,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:02:17,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:02:17,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:02:17,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:02:17,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:02:17,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:02:17,453 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:02:17,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:02:17,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:02:17,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:02:17,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:02:17,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:02:17,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:02:17,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:02:17,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:02:17,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:02:17,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:02:17,455 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:02:17,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:02:17,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:02:17,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e [2022-07-23 02:02:17,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:02:17,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:02:17,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:02:17,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:02:17,663 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:02:17,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-23 02:02:17,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d57c022/b8273a20828043de8a73c7e108f303cd/FLAG24621ff4a [2022-07-23 02:02:18,391 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:02:18,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-23 02:02:18,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d57c022/b8273a20828043de8a73c7e108f303cd/FLAG24621ff4a [2022-07-23 02:02:18,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d57c022/b8273a20828043de8a73c7e108f303cd [2022-07-23 02:02:18,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:02:18,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:02:18,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:02:18,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:02:18,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:02:18,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:02:18" (1/1) ... [2022-07-23 02:02:18,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2fde4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:18, skipping insertion in model container [2022-07-23 02:02:18,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:02:18" (1/1) ... [2022-07-23 02:02:18,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:02:18,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:02:22,104 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466142,466155] [2022-07-23 02:02:22,106 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466287,466300] [2022-07-23 02:02:22,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:02:22,158 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:02:22,377 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: reg = reg & 4043309055U [10145] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 02:02:22,383 INFO L158 Benchmark]: Toolchain (without parser) took 3894.09ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 52.0MB in the beginning and 98.1MB in the end (delta: -46.0MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2022-07-23 02:02:22,384 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:02:22,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3892.42ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 51.9MB in the beginning and 98.1MB in the end (delta: -46.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2022-07-23 02:02:22,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3892.42ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 51.9MB in the beginning and 98.1MB in the end (delta: -46.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10145] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10145]: 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.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 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:02:24,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:02:24,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:02:24,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:02:24,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:02:24,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:02:24,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:02:24,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:02:24,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:02:24,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:02:24,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:02:24,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:02:24,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:02:24,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:02:24,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:02:24,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:02:24,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:02:24,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:02:24,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:02:24,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:02:24,147 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:02:24,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:02:24,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:02:24,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:02:24,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:02:24,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:02:24,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:02:24,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:02:24,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:02:24,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:02:24,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:02:24,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:02:24,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:02:24,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:02:24,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:02:24,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:02:24,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:02:24,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:02:24,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:02:24,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:02:24,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:02:24,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:02:24,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:02:24,194 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:02:24,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:02:24,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:02:24,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:02:24,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:02:24,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:02:24,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:02:24,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:02:24,196 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:02:24,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:02:24,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:02:24,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:02:24,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:02:24,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:02:24,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:02:24,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:02:24,198 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:02:24,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:02:24,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:02:24,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:02:24,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:02:24,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:02:24,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:02:24,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:02:24,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:02:24,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:02:24,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:02:24,200 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:02:24,200 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:02:24,200 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:02:24,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:02:24,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:02:24,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:02:24,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e [2022-07-23 02:02:24,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:02:24,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:02:24,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:02:24,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:02:24,528 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:02:24,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-23 02:02:24,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57335d2c3/38be5e8ee7ba444fa0230b8f2242772a/FLAG6e0b70cab [2022-07-23 02:02:25,322 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:02:25,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-23 02:02:25,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57335d2c3/38be5e8ee7ba444fa0230b8f2242772a/FLAG6e0b70cab [2022-07-23 02:02:25,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57335d2c3/38be5e8ee7ba444fa0230b8f2242772a [2022-07-23 02:02:25,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:02:25,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:02:25,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:02:25,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:02:25,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:02:25,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:02:25" (1/1) ... [2022-07-23 02:02:25,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763cb878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:25, skipping insertion in model container [2022-07-23 02:02:25,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:02:25" (1/1) ... [2022-07-23 02:02:25,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:02:25,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:02:28,513 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466142,466155] [2022-07-23 02:02:28,516 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466287,466300] [2022-07-23 02:02:28,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:02:28,557 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:02:28,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:02:28,875 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466142,466155] [2022-07-23 02:02:28,876 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466287,466300] [2022-07-23 02:02:28,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:02:28,918 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:02:29,212 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466142,466155] [2022-07-23 02:02:29,213 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466287,466300] [2022-07-23 02:02:29,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:02:29,480 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:02:29,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29 WrapperNode [2022-07-23 02:02:29,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:02:29,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:02:29,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:02:29,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:02:29,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,704 INFO L137 Inliner]: procedures = 675, calls = 3046, calls flagged for inlining = 319, calls inlined = 257, statements flattened = 5916 [2022-07-23 02:02:29,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:02:29,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:02:29,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:02:29,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:02:29,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:02:29,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:02:29,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:02:29,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:02:29,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (1/1) ... [2022-07-23 02:02:29,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:02:30,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:02:30,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:02:30,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:02:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 02:02:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 02:02:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-23 02:02:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-23 02:02:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-23 02:02:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-23 02:02:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:02:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:02:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-23 02:02:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-23 02:02:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:02:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:02:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-23 02:02:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-23 02:02:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-23 02:02:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-23 02:02:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-23 02:02:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-23 02:02:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:02:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:02:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:02:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:02:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-23 02:02:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-23 02:02:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-23 02:02:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-23 02:02:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 02:02:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 02:02:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:02:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:02:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:02:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:02:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:02:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:02:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-23 02:02:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-23 02:02:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:02:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:02:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-23 02:02:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-23 02:02:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-23 02:02:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-23 02:02:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:02:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:02:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:02:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:02:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:02:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:02:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:02:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:02:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:02:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:02:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 02:02:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:02:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:02:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:02:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:02:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 02:02:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 02:02:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:02:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:02:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:02:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-23 02:02:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-23 02:02:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-23 02:02:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-23 02:02:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:02:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:02:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:02:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-23 02:02:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:02:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:02:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-23 02:02:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-23 02:02:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 02:02:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 02:02:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-23 02:02:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-23 02:02:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-23 02:02:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-23 02:02:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:02:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:02:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:02:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:02:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:02:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:02:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-23 02:02:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-23 02:02:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:02:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:02:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-23 02:02:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-23 02:02:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:02:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:02:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 02:02:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 02:02:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:02:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:02:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:02:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:02:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 02:02:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 02:02:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-23 02:02:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-23 02:02:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 02:02:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 02:02:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:02:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:02:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-23 02:02:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-23 02:02:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-23 02:02:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-23 02:02:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-23 02:02:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-23 02:02:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:02:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:02:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:02:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:02:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:02:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 02:02:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 02:02:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 02:02:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 02:02:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-23 02:02:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-23 02:02:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:02:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:02:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:02:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:02:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:02:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:02:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 02:02:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 02:02:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:02:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:02:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:02:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:02:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:02:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-23 02:02:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-23 02:02:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:02:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:02:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 02:02:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 02:02:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 02:02:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 02:02:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-23 02:02:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-23 02:02:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:02:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:02:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:02:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:02:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:02:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:02:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:02:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:02:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:02:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-23 02:02:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-23 02:02:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 02:02:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 02:02:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:02:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:02:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 02:02:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 02:02:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 02:02:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 02:02:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:02:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-23 02:02:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-23 02:02:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-23 02:02:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-23 02:02:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:02:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:02:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:02:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-23 02:02:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-23 02:02:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:02:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:02:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-23 02:02:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-23 02:02:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:02:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:02:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:02:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:02:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-23 02:02:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-23 02:02:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-23 02:02:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-23 02:02:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-23 02:02:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-23 02:02:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-23 02:02:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-23 02:02:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-23 02:02:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-23 02:02:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:02:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:02:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-23 02:02:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-23 02:02:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-23 02:02:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-23 02:02:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-23 02:02:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-23 02:02:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-23 02:02:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-23 02:02:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-23 02:02:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-23 02:02:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 02:02:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 02:02:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 02:02:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 02:02:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:02:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:02:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:02:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:02:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 02:02:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 02:02:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-23 02:02:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-23 02:02:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-23 02:02:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-23 02:02:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:02:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:02:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:02:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 02:02:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 02:02:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_112 [2022-07-23 02:02:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_112 [2022-07-23 02:02:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:02:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:02:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:02:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-23 02:02:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-23 02:02:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-23 02:02:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-23 02:02:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-23 02:02:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-23 02:02:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:02:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:02:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:02:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:02:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:02:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-23 02:02:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-23 02:02:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 02:02:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 02:02:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-23 02:02:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-23 02:02:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:02:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:02:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:02:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:02:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-23 02:02:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-23 02:02:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_103 [2022-07-23 02:02:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_103 [2022-07-23 02:02:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-23 02:02:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-23 02:02:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_105 [2022-07-23 02:02:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_105 [2022-07-23 02:02:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-23 02:02:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-23 02:02:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-23 02:02:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-23 02:02:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 02:02:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 02:02:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-23 02:02:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-23 02:02:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:02:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:02:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:02:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:02:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-23 02:02:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-23 02:02:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-23 02:02:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-23 02:02:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-23 02:02:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-23 02:02:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:02:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:02:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-23 02:02:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-23 02:02:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:02:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:02:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 02:02:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 02:02:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-23 02:02:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-23 02:02:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:02:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:02:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-23 02:02:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-23 02:02:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:02:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-23 02:02:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-23 02:02:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:02:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:02:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:02:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-23 02:02:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-23 02:02:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-23 02:02:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-23 02:02:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:02:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:02:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_113 [2022-07-23 02:02:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_113 [2022-07-23 02:02:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-23 02:02:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-23 02:02:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:02:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:02:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-23 02:02:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-23 02:02:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-23 02:02:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-23 02:02:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 02:02:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 02:02:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_104 [2022-07-23 02:02:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_104 [2022-07-23 02:02:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_106 [2022-07-23 02:02:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_106 [2022-07-23 02:02:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 02:02:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 02:02:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-23 02:02:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-23 02:02:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-23 02:02:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-23 02:02:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:02:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:02:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-23 02:02:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-23 02:02:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-23 02:02:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-23 02:02:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-23 02:02:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-23 02:02:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-23 02:02:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-23 02:02:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 02:02:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 02:02:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:02:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:02:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-23 02:02:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-23 02:02:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:02:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:02:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-23 02:02:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-23 02:02:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-23 02:02:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-23 02:02:30,923 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:02:30,926 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:02:37,884 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:03:16,418 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:03:17,039 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:03:17,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:03:17,066 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-23 02:03:17,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:03:17 BoogieIcfgContainer [2022-07-23 02:03:17,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:03:17,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:03:17,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:03:17,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:03:17,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:02:25" (1/3) ... [2022-07-23 02:03:17,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3806f252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:03:17, skipping insertion in model container [2022-07-23 02:03:17,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:02:29" (2/3) ... [2022-07-23 02:03:17,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3806f252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:03:17, skipping insertion in model container [2022-07-23 02:03:17,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:03:17" (3/3) ... [2022-07-23 02:03:17,076 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-23 02:03:17,086 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:03:17,087 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 02:03:17,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:03:17,196 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@494271de, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6de9dc38 [2022-07-23 02:03:17,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 02:03:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 2701 states, 1805 states have (on average 1.2709141274238227) internal successors, (2294), 1854 states have internal predecessors, (2294), 742 states have call successors, (742), 158 states have call predecessors, (742), 157 states have return successors, (733), 717 states have call predecessors, (733), 733 states have call successors, (733) [2022-07-23 02:03:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-23 02:03:17,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:17,246 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:17,246 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:17,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:17,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1479212077, now seen corresponding path program 1 times [2022-07-23 02:03:17,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:17,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864689242] [2022-07-23 02:03:17,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:17,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:17,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:17,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:17,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:03:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:18,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-23 02:03:18,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:18,945 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:18,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864689242] [2022-07-23 02:03:18,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864689242] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:18,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:18,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:18,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200945853] [2022-07-23 02:03:18,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:18,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:18,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:18,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:18,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:18,989 INFO L87 Difference]: Start difference. First operand has 2701 states, 1805 states have (on average 1.2709141274238227) internal successors, (2294), 1854 states have internal predecessors, (2294), 742 states have call successors, (742), 158 states have call predecessors, (742), 157 states have return successors, (733), 717 states have call predecessors, (733), 733 states have call successors, (733) Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:03:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:20,135 INFO L93 Difference]: Finished difference Result 7238 states and 10184 transitions. [2022-07-23 02:03:20,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:20,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 263 [2022-07-23 02:03:20,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:20,179 INFO L225 Difference]: With dead ends: 7238 [2022-07-23 02:03:20,179 INFO L226 Difference]: Without dead ends: 4489 [2022-07-23 02:03:20,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:20,201 INFO L413 NwaCegarLoop]: 4290 mSDtfsCounter, 2633 mSDsluCounter, 3611 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 7901 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:20,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 7901 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-23 02:03:20,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2022-07-23 02:03:20,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4487. [2022-07-23 02:03:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 2980 states have (on average 1.2570469798657717) internal successors, (3746), 3065 states have internal predecessors, (3746), 1222 states have call successors, (1222), 285 states have call predecessors, (1222), 284 states have return successors, (1223), 1188 states have call predecessors, (1223), 1222 states have call successors, (1223) [2022-07-23 02:03:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6191 transitions. [2022-07-23 02:03:20,484 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6191 transitions. Word has length 263 [2022-07-23 02:03:20,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:20,486 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6191 transitions. [2022-07-23 02:03:20,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:03:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6191 transitions. [2022-07-23 02:03:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2022-07-23 02:03:20,593 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:20,596 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 28, 28, 27, 27, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:20,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 02:03:20,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:20,816 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:20,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:20,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1624747529, now seen corresponding path program 1 times [2022-07-23 02:03:20,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:20,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656674155] [2022-07-23 02:03:20,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:20,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:20,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:20,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:20,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:03:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:24,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 6460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:24,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 13172 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 12441 trivial. 0 not checked. [2022-07-23 02:03:25,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:25,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:25,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656674155] [2022-07-23 02:03:25,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656674155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:25,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:25,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:25,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327123691] [2022-07-23 02:03:25,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:25,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:25,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:25,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:25,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:25,267 INFO L87 Difference]: Start difference. First operand 4487 states and 6191 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2022-07-23 02:03:26,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:26,104 INFO L93 Difference]: Finished difference Result 12675 states and 17461 transitions. [2022-07-23 02:03:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:26,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) Word has length 1606 [2022-07-23 02:03:26,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:26,156 INFO L225 Difference]: With dead ends: 12675 [2022-07-23 02:03:26,157 INFO L226 Difference]: Without dead ends: 8229 [2022-07-23 02:03:26,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1605 GetRequests, 1604 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:26,176 INFO L413 NwaCegarLoop]: 5043 mSDtfsCounter, 3068 mSDsluCounter, 3592 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 8635 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:26,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 8635 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:03:26,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-07-23 02:03:26,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8225. [2022-07-23 02:03:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 5470 states have (on average 1.2537477148080438) internal successors, (6858), 5627 states have internal predecessors, (6858), 2217 states have call successors, (2217), 539 states have call predecessors, (2217), 537 states have return successors, (2219), 2153 states have call predecessors, (2219), 2217 states have call successors, (2219) [2022-07-23 02:03:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 11294 transitions. [2022-07-23 02:03:26,471 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 11294 transitions. Word has length 1606 [2022-07-23 02:03:26,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:26,472 INFO L495 AbstractCegarLoop]: Abstraction has 8225 states and 11294 transitions. [2022-07-23 02:03:26,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2022-07-23 02:03:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 11294 transitions. [2022-07-23 02:03:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1671 [2022-07-23 02:03:26,509 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:26,512 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 30, 30, 28, 28, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:26,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 02:03:26,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:26,713 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:26,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:26,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1459216892, now seen corresponding path program 1 times [2022-07-23 02:03:26,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:26,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678898991] [2022-07-23 02:03:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:26,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:26,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:26,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:26,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:03:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:30,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 6602 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:30,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 13635 backedges. 1068 proven. 0 refuted. 0 times theorem prover too weak. 12567 trivial. 0 not checked. [2022-07-23 02:03:31,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:31,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:31,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678898991] [2022-07-23 02:03:31,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678898991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:31,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:31,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:31,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610734465] [2022-07-23 02:03:31,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:31,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:31,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:31,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:31,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:31,286 INFO L87 Difference]: Start difference. First operand 8225 states and 11294 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) [2022-07-23 02:03:32,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:32,171 INFO L93 Difference]: Finished difference Result 20147 states and 27661 transitions. [2022-07-23 02:03:32,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:32,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) Word has length 1670 [2022-07-23 02:03:32,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:32,229 INFO L225 Difference]: With dead ends: 20147 [2022-07-23 02:03:32,229 INFO L226 Difference]: Without dead ends: 11963 [2022-07-23 02:03:32,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1669 GetRequests, 1668 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:32,267 INFO L413 NwaCegarLoop]: 6717 mSDtfsCounter, 3054 mSDsluCounter, 3581 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 10298 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:32,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 10298 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:03:32,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11963 states. [2022-07-23 02:03:32,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11963 to 11959. [2022-07-23 02:03:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11959 states, 7956 states have (on average 1.2526395173453997) internal successors, (9966), 8185 states have internal predecessors, (9966), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 790 states have return successors, (3215), 3118 states have call predecessors, (3215), 3212 states have call successors, (3215) [2022-07-23 02:03:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11959 states to 11959 states and 16393 transitions. [2022-07-23 02:03:32,584 INFO L78 Accepts]: Start accepts. Automaton has 11959 states and 16393 transitions. Word has length 1670 [2022-07-23 02:03:32,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:32,587 INFO L495 AbstractCegarLoop]: Abstraction has 11959 states and 16393 transitions. [2022-07-23 02:03:32,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) [2022-07-23 02:03:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 11959 states and 16393 transitions. [2022-07-23 02:03:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1745 [2022-07-23 02:03:32,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:32,631 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:32,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:32,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:32,853 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:32,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:32,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1161150069, now seen corresponding path program 1 times [2022-07-23 02:03:32,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:32,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537264502] [2022-07-23 02:03:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:32,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:32,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:32,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:32,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:03:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 6742 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 02:03:37,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2022-07-23 02:03:37,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:37,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:37,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537264502] [2022-07-23 02:03:37,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537264502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:37,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:37,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:03:37,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220306414] [2022-07-23 02:03:37,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:37,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:03:37,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:37,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:03:37,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:03:37,429 INFO L87 Difference]: Start difference. First operand 11959 states and 16393 transitions. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) [2022-07-23 02:03:38,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:38,384 INFO L93 Difference]: Finished difference Result 31205 states and 43593 transitions. [2022-07-23 02:03:38,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 02:03:38,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) Word has length 1744 [2022-07-23 02:03:38,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:38,458 INFO L225 Difference]: With dead ends: 31205 [2022-07-23 02:03:38,459 INFO L226 Difference]: Without dead ends: 19287 [2022-07-23 02:03:38,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1745 GetRequests, 1742 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:03:38,506 INFO L413 NwaCegarLoop]: 5226 mSDtfsCounter, 2711 mSDsluCounter, 8861 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 14087 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:38,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2936 Valid, 14087 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:03:38,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19287 states. [2022-07-23 02:03:39,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19287 to 11963. [2022-07-23 02:03:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11963 states, 7960 states have (on average 1.2525125628140703) internal successors, (9970), 8189 states have internal predecessors, (9970), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 790 states have return successors, (3215), 3118 states have call predecessors, (3215), 3212 states have call successors, (3215) [2022-07-23 02:03:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11963 states to 11963 states and 16397 transitions. [2022-07-23 02:03:39,110 INFO L78 Accepts]: Start accepts. Automaton has 11963 states and 16397 transitions. Word has length 1744 [2022-07-23 02:03:39,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:39,115 INFO L495 AbstractCegarLoop]: Abstraction has 11963 states and 16397 transitions. [2022-07-23 02:03:39,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) [2022-07-23 02:03:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 11963 states and 16397 transitions. [2022-07-23 02:03:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2022-07-23 02:03:39,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:39,164 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:39,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:39,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:39,388 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:39,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:39,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1141678797, now seen corresponding path program 1 times [2022-07-23 02:03:39,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:39,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545603114] [2022-07-23 02:03:39,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:39,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:39,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:39,404 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:39,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:03:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:43,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 6773 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 02:03:43,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2022-07-23 02:03:44,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:44,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:44,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545603114] [2022-07-23 02:03:44,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545603114] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:44,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:44,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:03:44,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193558101] [2022-07-23 02:03:44,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:44,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:03:44,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:44,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:03:44,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:03:44,247 INFO L87 Difference]: Start difference. First operand 11963 states and 16397 transitions. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-23 02:03:44,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:44,945 INFO L93 Difference]: Finished difference Result 27936 states and 38768 transitions. [2022-07-23 02:03:44,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:03:44,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) Word has length 1750 [2022-07-23 02:03:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:45,015 INFO L225 Difference]: With dead ends: 27936 [2022-07-23 02:03:45,015 INFO L226 Difference]: Without dead ends: 16014 [2022-07-23 02:03:45,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1750 GetRequests, 1745 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:03:45,058 INFO L413 NwaCegarLoop]: 4906 mSDtfsCounter, 1072 mSDsluCounter, 18545 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 23451 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:45,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 23451 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:03:45,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16014 states. [2022-07-23 02:03:45,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16014 to 11973. [2022-07-23 02:03:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11973 states, 7968 states have (on average 1.2522590361445782) internal successors, (9978), 8197 states have internal predecessors, (9978), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 792 states have return successors, (3221), 3120 states have call predecessors, (3221), 3212 states have call successors, (3221) [2022-07-23 02:03:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11973 states to 11973 states and 16411 transitions. [2022-07-23 02:03:45,487 INFO L78 Accepts]: Start accepts. Automaton has 11973 states and 16411 transitions. Word has length 1750 [2022-07-23 02:03:45,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:45,488 INFO L495 AbstractCegarLoop]: Abstraction has 11973 states and 16411 transitions. [2022-07-23 02:03:45,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-23 02:03:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 11973 states and 16411 transitions. [2022-07-23 02:03:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2022-07-23 02:03:45,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:45,526 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:45,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:45,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:45,748 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:45,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:45,749 INFO L85 PathProgramCache]: Analyzing trace with hash -849561845, now seen corresponding path program 1 times [2022-07-23 02:03:45,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:45,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489360158] [2022-07-23 02:03:45,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:45,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:45,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:45,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:45,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:03:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:50,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 6803 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 02:03:50,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 967 proven. 0 refuted. 0 times theorem prover too weak. 13162 trivial. 0 not checked. [2022-07-23 02:03:50,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:50,634 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:50,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489360158] [2022-07-23 02:03:50,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489360158] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:50,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:50,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:03:50,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922986135] [2022-07-23 02:03:50,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:50,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:03:50,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:50,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:03:50,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:03:50,637 INFO L87 Difference]: Start difference. First operand 11973 states and 16411 transitions. Second operand has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-23 02:03:53,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:03:55,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:03:57,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:57,383 INFO L93 Difference]: Finished difference Result 31309 states and 43751 transitions. [2022-07-23 02:03:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:03:57,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) Word has length 1750 [2022-07-23 02:03:57,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:57,458 INFO L225 Difference]: With dead ends: 31309 [2022-07-23 02:03:57,458 INFO L226 Difference]: Without dead ends: 19377 [2022-07-23 02:03:57,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1753 GetRequests, 1748 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:03:57,499 INFO L413 NwaCegarLoop]: 5277 mSDtfsCounter, 4587 mSDsluCounter, 12787 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1145 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4588 SdHoareTripleChecker+Valid, 18064 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1145 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:57,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4588 Valid, 18064 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1145 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-07-23 02:03:57,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19377 states. [2022-07-23 02:03:58,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19377 to 11979. [2022-07-23 02:03:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11979 states, 7974 states have (on average 1.2520692249811889) internal successors, (9984), 8203 states have internal predecessors, (9984), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 792 states have return successors, (3221), 3120 states have call predecessors, (3221), 3212 states have call successors, (3221) [2022-07-23 02:03:58,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11979 states to 11979 states and 16417 transitions. [2022-07-23 02:03:58,218 INFO L78 Accepts]: Start accepts. Automaton has 11979 states and 16417 transitions. Word has length 1750 [2022-07-23 02:03:58,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:58,221 INFO L495 AbstractCegarLoop]: Abstraction has 11979 states and 16417 transitions. [2022-07-23 02:03:58,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-23 02:03:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 11979 states and 16417 transitions. [2022-07-23 02:03:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1772 [2022-07-23 02:03:58,260 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:58,261 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 21, 21, 21, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:58,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:58,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:58,476 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:58,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:58,476 INFO L85 PathProgramCache]: Analyzing trace with hash 713989868, now seen corresponding path program 1 times [2022-07-23 02:03:58,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:58,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082339354] [2022-07-23 02:03:58,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:58,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:58,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:58,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:58,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:04:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:03,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 6852 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-23 02:04:03,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:04:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14310 backedges. 910 proven. 0 refuted. 0 times theorem prover too weak. 13400 trivial. 0 not checked. [2022-07-23 02:04:04,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:04:04,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:04:04,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082339354] [2022-07-23 02:04:04,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082339354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:04,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:04,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 02:04:04,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612188267] [2022-07-23 02:04:04,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:04,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 02:04:04,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:04:04,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 02:04:04,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-23 02:04:04,996 INFO L87 Difference]: Start difference. First operand 11979 states and 16417 transitions. Second operand has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) [2022-07-23 02:04:09,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:09,956 INFO L93 Difference]: Finished difference Result 28857 states and 40110 transitions. [2022-07-23 02:04:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 02:04:09,957 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) Word has length 1771 [2022-07-23 02:04:09,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:10,007 INFO L225 Difference]: With dead ends: 28857 [2022-07-23 02:04:10,007 INFO L226 Difference]: Without dead ends: 16919 [2022-07-23 02:04:10,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1782 GetRequests, 1763 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2022-07-23 02:04:10,035 INFO L413 NwaCegarLoop]: 5746 mSDtfsCounter, 4078 mSDsluCounter, 49891 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4080 SdHoareTripleChecker+Valid, 55637 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1543 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:10,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4080 Valid, 55637 Invalid, 1715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1543 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-23 02:04:10,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16919 states. [2022-07-23 02:04:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16919 to 11991. [2022-07-23 02:04:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11991 states, 7984 states have (on average 1.251753507014028) internal successors, (9994), 8213 states have internal predecessors, (9994), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 794 states have return successors, (3243), 3122 states have call predecessors, (3243), 3212 states have call successors, (3243) [2022-07-23 02:04:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11991 states to 11991 states and 16449 transitions. [2022-07-23 02:04:10,473 INFO L78 Accepts]: Start accepts. Automaton has 11991 states and 16449 transitions. Word has length 1771 [2022-07-23 02:04:10,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:10,474 INFO L495 AbstractCegarLoop]: Abstraction has 11991 states and 16449 transitions. [2022-07-23 02:04:10,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) [2022-07-23 02:04:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 11991 states and 16449 transitions. [2022-07-23 02:04:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2022-07-23 02:04:10,509 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:10,510 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:04:10,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-23 02:04:10,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:04:10,736 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:10,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:10,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2073957198, now seen corresponding path program 1 times [2022-07-23 02:04:10,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:04:10,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525663902] [2022-07-23 02:04:10,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:10,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:04:10,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:04:10,748 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:04:10,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:04:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:15,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 6886 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:04:15,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:04:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14494 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 13572 trivial. 0 not checked. [2022-07-23 02:04:23,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:04:23,091 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:04:23,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525663902] [2022-07-23 02:04:23,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525663902] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:23,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:23,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 02:04:23,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969113477] [2022-07-23 02:04:23,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:23,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:04:23,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:04:23,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:04:23,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:23,094 INFO L87 Difference]: Start difference. First operand 11991 states and 16449 transitions. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) [2022-07-23 02:04:23,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:23,385 INFO L93 Difference]: Finished difference Result 23933 states and 32807 transitions. [2022-07-23 02:04:23,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:04:23,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) Word has length 1787 [2022-07-23 02:04:23,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:23,424 INFO L225 Difference]: With dead ends: 23933 [2022-07-23 02:04:23,425 INFO L226 Difference]: Without dead ends: 11983 [2022-07-23 02:04:23,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1786 GetRequests, 1785 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:23,457 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 3386 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 3637 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:23,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3386 Valid, 3637 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:04:23,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11983 states. [2022-07-23 02:04:24,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11983 to 11983. [2022-07-23 02:04:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11983 states, 7980 states have (on average 1.2513784461152881) internal successors, (9986), 8205 states have internal predecessors, (9986), 3208 states have call successors, (3208), 793 states have call predecessors, (3208), 794 states have return successors, (3239), 3120 states have call predecessors, (3239), 3208 states have call successors, (3239) [2022-07-23 02:04:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11983 states to 11983 states and 16433 transitions. [2022-07-23 02:04:24,076 INFO L78 Accepts]: Start accepts. Automaton has 11983 states and 16433 transitions. Word has length 1787 [2022-07-23 02:04:24,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:24,078 INFO L495 AbstractCegarLoop]: Abstraction has 11983 states and 16433 transitions. [2022-07-23 02:04:24,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) [2022-07-23 02:04:24,078 INFO L276 IsEmpty]: Start isEmpty. Operand 11983 states and 16433 transitions. [2022-07-23 02:04:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1820 [2022-07-23 02:04:24,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:24,121 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 45, 45, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:04:24,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 02:04:24,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:04:24,340 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:24,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:24,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1812189645, now seen corresponding path program 1 times [2022-07-23 02:04:24,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:04:24,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016743328] [2022-07-23 02:04:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:24,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:04:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:04:24,345 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:04:24,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 02:04:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:30,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 6978 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:04:30,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:04:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15368 backedges. 3223 proven. 0 refuted. 0 times theorem prover too weak. 12145 trivial. 0 not checked. [2022-07-23 02:04:30,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:04:30,571 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:04:30,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016743328] [2022-07-23 02:04:30,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016743328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:30,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:30,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:04:30,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139250257] [2022-07-23 02:04:30,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:30,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:04:30,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:04:30,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:04:30,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:30,574 INFO L87 Difference]: Start difference. First operand 11983 states and 16433 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-23 02:04:31,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:31,121 INFO L93 Difference]: Finished difference Result 23973 states and 33378 transitions. [2022-07-23 02:04:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:04:31,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) Word has length 1819 [2022-07-23 02:04:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:31,178 INFO L225 Difference]: With dead ends: 23973 [2022-07-23 02:04:31,178 INFO L226 Difference]: Without dead ends: 12031 [2022-07-23 02:04:31,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1818 GetRequests, 1817 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:31,223 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 5 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:31,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 7268 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:04:31,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12031 states. [2022-07-23 02:04:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12031 to 12019. [2022-07-23 02:04:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12019 states, 8004 states have (on average 1.2513743128435781) internal successors, (10016), 8229 states have internal predecessors, (10016), 3220 states have call successors, (3220), 793 states have call predecessors, (3220), 794 states have return successors, (3251), 3132 states have call predecessors, (3251), 3220 states have call successors, (3251) [2022-07-23 02:04:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12019 states to 12019 states and 16487 transitions. [2022-07-23 02:04:31,707 INFO L78 Accepts]: Start accepts. Automaton has 12019 states and 16487 transitions. Word has length 1819 [2022-07-23 02:04:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:31,709 INFO L495 AbstractCegarLoop]: Abstraction has 12019 states and 16487 transitions. [2022-07-23 02:04:31,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-23 02:04:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 12019 states and 16487 transitions. [2022-07-23 02:04:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1850 [2022-07-23 02:04:31,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:31,750 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 47, 47, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:04:31,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-23 02:04:31,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:04:31,972 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:31,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:31,972 INFO L85 PathProgramCache]: Analyzing trace with hash 559618179, now seen corresponding path program 1 times [2022-07-23 02:04:31,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:04:31,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461735512] [2022-07-23 02:04:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:31,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:04:31,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:04:31,978 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:04:31,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 02:04:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:38,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 7040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:04:38,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:04:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 15733 backedges. 3964 proven. 0 refuted. 0 times theorem prover too weak. 11769 trivial. 0 not checked. [2022-07-23 02:04:38,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:04:38,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:04:38,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461735512] [2022-07-23 02:04:38,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461735512] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:38,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:38,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:04:38,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176358313] [2022-07-23 02:04:38,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:38,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:04:38,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:04:38,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:04:38,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:38,998 INFO L87 Difference]: Start difference. First operand 12019 states and 16487 transitions. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) [2022-07-23 02:04:39,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:39,447 INFO L93 Difference]: Finished difference Result 24087 states and 33518 transitions. [2022-07-23 02:04:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:04:39,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) Word has length 1849 [2022-07-23 02:04:39,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:39,509 INFO L225 Difference]: With dead ends: 24087 [2022-07-23 02:04:39,509 INFO L226 Difference]: Without dead ends: 12109 [2022-07-23 02:04:39,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1848 GetRequests, 1847 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:39,560 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 9 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7280 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:39,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7280 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:04:39,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12109 states. [2022-07-23 02:04:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12109 to 12055. [2022-07-23 02:04:40,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12055 states, 8028 states have (on average 1.2513702042850026) internal successors, (10046), 8253 states have internal predecessors, (10046), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-23 02:04:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 16541 transitions. [2022-07-23 02:04:40,107 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 16541 transitions. Word has length 1849 [2022-07-23 02:04:40,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:40,108 INFO L495 AbstractCegarLoop]: Abstraction has 12055 states and 16541 transitions. [2022-07-23 02:04:40,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) [2022-07-23 02:04:40,109 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 16541 transitions. [2022-07-23 02:04:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1866 [2022-07-23 02:04:40,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:40,151 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 48, 48, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:04:40,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 02:04:40,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:04:40,372 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:40,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:40,372 INFO L85 PathProgramCache]: Analyzing trace with hash -2075765830, now seen corresponding path program 1 times [2022-07-23 02:04:40,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:04:40,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68867585] [2022-07-23 02:04:40,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:40,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:04:40,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:04:40,384 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:04:40,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 02:04:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:53,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 7075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:04:53,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:04:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15930 backedges. 2807 proven. 0 refuted. 0 times theorem prover too weak. 13123 trivial. 0 not checked. [2022-07-23 02:04:53,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:04:53,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:04:53,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68867585] [2022-07-23 02:04:53,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68867585] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:53,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:53,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:04:53,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877824462] [2022-07-23 02:04:53,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:53,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:04:53,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:04:53,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:04:53,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:53,372 INFO L87 Difference]: Start difference. First operand 12055 states and 16541 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-23 02:04:55,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:04:56,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:56,006 INFO L93 Difference]: Finished difference Result 24135 states and 33283 transitions. [2022-07-23 02:04:56,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:04:56,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) Word has length 1865 [2022-07-23 02:04:56,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:56,055 INFO L225 Difference]: With dead ends: 24135 [2022-07-23 02:04:56,056 INFO L226 Difference]: Without dead ends: 12121 [2022-07-23 02:04:56,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1864 GetRequests, 1863 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:56,086 INFO L413 NwaCegarLoop]: 3639 mSDtfsCounter, 7 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 7271 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:56,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 7271 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-07-23 02:04:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12121 states. [2022-07-23 02:04:56,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12121 to 12061. [2022-07-23 02:04:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12061 states, 8034 states have (on average 1.2511824744834454) internal successors, (10052), 8259 states have internal predecessors, (10052), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-23 02:04:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12061 states to 12061 states and 16547 transitions. [2022-07-23 02:04:56,513 INFO L78 Accepts]: Start accepts. Automaton has 12061 states and 16547 transitions. Word has length 1865 [2022-07-23 02:04:56,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:56,515 INFO L495 AbstractCegarLoop]: Abstraction has 12061 states and 16547 transitions. [2022-07-23 02:04:56,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-23 02:04:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 12061 states and 16547 transitions. [2022-07-23 02:04:56,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1917 [2022-07-23 02:04:56,555 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:56,556 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 50, 50, 32, 32, 31, 31, 23, 23, 23, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:04:56,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-23 02:04:56,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:04:56,776 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:56,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:56,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1857083787, now seen corresponding path program 1 times [2022-07-23 02:04:56,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:04:56,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381758777] [2022-07-23 02:04:56,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:56,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:04:56,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:04:56,782 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:04:56,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 02:05:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:09,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 7227 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:05:09,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:05:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 17483 backedges. 2938 proven. 0 refuted. 0 times theorem prover too weak. 14545 trivial. 0 not checked. [2022-07-23 02:05:09,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:05:09,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:05:09,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381758777] [2022-07-23 02:05:09,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381758777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:05:09,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:05:09,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:05:09,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919124532] [2022-07-23 02:05:09,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:05:09,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:05:09,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:05:09,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:05:09,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:05:09,883 INFO L87 Difference]: Start difference. First operand 12061 states and 16547 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) [2022-07-23 02:05:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:05:10,353 INFO L93 Difference]: Finished difference Result 24111 states and 33241 transitions. [2022-07-23 02:05:10,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:05:10,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) Word has length 1916 [2022-07-23 02:05:10,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:05:10,405 INFO L225 Difference]: With dead ends: 24111 [2022-07-23 02:05:10,405 INFO L226 Difference]: Without dead ends: 12091 [2022-07-23 02:05:10,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1915 GetRequests, 1914 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:05:10,446 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 2 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:05:10,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7268 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:05:10,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12091 states. [2022-07-23 02:05:10,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12091 to 12067. [2022-07-23 02:05:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12067 states, 8040 states have (on average 1.2509950248756219) internal successors, (10058), 8265 states have internal predecessors, (10058), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-23 02:05:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12067 states to 12067 states and 16553 transitions. [2022-07-23 02:05:10,912 INFO L78 Accepts]: Start accepts. Automaton has 12067 states and 16553 transitions. Word has length 1916 [2022-07-23 02:05:10,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:05:10,915 INFO L495 AbstractCegarLoop]: Abstraction has 12067 states and 16553 transitions. [2022-07-23 02:05:10,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) [2022-07-23 02:05:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 12067 states and 16553 transitions. [2022-07-23 02:05:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1966 [2022-07-23 02:05:10,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:05:10,961 INFO L195 NwaCegarLoop]: trace histogram [66, 66, 52, 52, 33, 33, 32, 32, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:05:11,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-23 02:05:11,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:05:11,166 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:05:11,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:05:11,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1425305797, now seen corresponding path program 1 times [2022-07-23 02:05:11,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:05:11,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355702414] [2022-07-23 02:05:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:05:11,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:05:11,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:05:11,185 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:05:11,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-23 02:05:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:24,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 7366 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 02:05:24,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:05:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 19148 backedges. 3068 proven. 1 refuted. 0 times theorem prover too weak. 16079 trivial. 0 not checked. [2022-07-23 02:05:24,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:05:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 19148 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 19132 trivial. 0 not checked. [2022-07-23 02:05:26,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:05:26,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355702414] [2022-07-23 02:05:26,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355702414] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:05:26,642 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:05:26,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-23 02:05:26,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105043932] [2022-07-23 02:05:26,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:05:26,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:05:26,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:05:26,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:05:26,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:05:26,646 INFO L87 Difference]: Start difference. First operand 12067 states and 16553 transitions. Second operand has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) [2022-07-23 02:05:27,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:05:27,429 INFO L93 Difference]: Finished difference Result 24183 states and 33349 transitions. [2022-07-23 02:05:27,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:05:27,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) Word has length 1965 [2022-07-23 02:05:27,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:05:27,487 INFO L225 Difference]: With dead ends: 24183 [2022-07-23 02:05:27,488 INFO L226 Difference]: Without dead ends: 12157 [2022-07-23 02:05:27,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3929 GetRequests, 3924 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:05:27,537 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 8 mSDsluCounter, 14520 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 18163 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:05:27,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 18163 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:05:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12157 states. [2022-07-23 02:05:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12157 to 12157. [2022-07-23 02:05:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12157 states, 8094 states have (on average 1.249320484309365) internal successors, (10112), 8319 states have internal predecessors, (10112), 3268 states have call successors, (3268), 793 states have call predecessors, (3268), 794 states have return successors, (3299), 3180 states have call predecessors, (3299), 3268 states have call successors, (3299) [2022-07-23 02:05:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12157 states to 12157 states and 16679 transitions. [2022-07-23 02:05:28,069 INFO L78 Accepts]: Start accepts. Automaton has 12157 states and 16679 transitions. Word has length 1965 [2022-07-23 02:05:28,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:05:28,070 INFO L495 AbstractCegarLoop]: Abstraction has 12157 states and 16679 transitions. [2022-07-23 02:05:28,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) [2022-07-23 02:05:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 12157 states and 16679 transitions. [2022-07-23 02:05:28,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2113 [2022-07-23 02:05:28,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:05:28,112 INFO L195 NwaCegarLoop]: trace histogram [78, 78, 58, 58, 39, 39, 32, 32, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:05:28,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-07-23 02:05:28,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:05:28,328 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:05:28,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:05:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash -744427531, now seen corresponding path program 2 times [2022-07-23 02:05:28,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:05:28,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372754794] [2022-07-23 02:05:28,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 02:05:28,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:05:28,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:05:28,333 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:05:28,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-23 02:05:30,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 02:05:30,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 02:05:30,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:05:30,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:05:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 24845 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24845 trivial. 0 not checked. [2022-07-23 02:05:30,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:05:30,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:05:30,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372754794] [2022-07-23 02:05:30,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372754794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:05:30,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:05:30,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:05:30,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424211582] [2022-07-23 02:05:30,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:05:30,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:05:30,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:05:30,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:05:30,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:05:30,425 INFO L87 Difference]: Start difference. First operand 12157 states and 16679 transitions. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) [2022-07-23 02:05:31,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:05:31,147 INFO L93 Difference]: Finished difference Result 28272 states and 39228 transitions. [2022-07-23 02:05:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:05:31,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) Word has length 2112 [2022-07-23 02:05:31,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:05:31,198 INFO L225 Difference]: With dead ends: 28272 [2022-07-23 02:05:31,198 INFO L226 Difference]: Without dead ends: 16156 [2022-07-23 02:05:31,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2111 GetRequests, 2110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:05:31,230 INFO L413 NwaCegarLoop]: 5120 mSDtfsCounter, 1054 mSDsluCounter, 3885 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 9005 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:05:31,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 9005 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:05:31,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16156 states. [2022-07-23 02:05:31,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16156 to 12160. [2022-07-23 02:05:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12160 states, 8097 states have (on average 1.249228109176238) internal successors, (10115), 8322 states have internal predecessors, (10115), 3268 states have call successors, (3268), 793 states have call predecessors, (3268), 794 states have return successors, (3299), 3180 states have call predecessors, (3299), 3268 states have call successors, (3299) [2022-07-23 02:05:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 12160 states and 16682 transitions. [2022-07-23 02:05:31,729 INFO L78 Accepts]: Start accepts. Automaton has 12160 states and 16682 transitions. Word has length 2112 [2022-07-23 02:05:31,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:05:31,731 INFO L495 AbstractCegarLoop]: Abstraction has 12160 states and 16682 transitions. [2022-07-23 02:05:31,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) [2022-07-23 02:05:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 12160 states and 16682 transitions. [2022-07-23 02:05:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2121 [2022-07-23 02:05:31,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:05:31,775 INFO L195 NwaCegarLoop]: trace histogram [78, 78, 58, 58, 39, 39, 32, 32, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:05:31,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-23 02:05:31,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:05:31,999 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:05:31,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:05:31,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1218732447, now seen corresponding path program 1 times [2022-07-23 02:05:32,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:05:32,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694946007] [2022-07-23 02:05:32,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:05:32,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:05:32,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:05:32,005 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:05:32,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-23 02:05:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:49,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 7802 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 02:05:49,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:05:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 24857 backedges. 3457 proven. 1 refuted. 0 times theorem prover too weak. 21399 trivial. 0 not checked. [2022-07-23 02:05:49,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:05:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24857 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 24842 trivial. 0 not checked. [2022-07-23 02:05:51,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:05:51,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694946007] [2022-07-23 02:05:51,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694946007] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:05:51,928 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:05:51,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-23 02:05:51,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551701744] [2022-07-23 02:05:51,928 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:05:51,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:05:51,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:05:51,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:05:51,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:05:51,931 INFO L87 Difference]: Start difference. First operand 12160 states and 16682 transitions. Second operand has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 4 states have call successors, (238), 2 states have call predecessors, (238), 2 states have return successors, (237), 4 states have call predecessors, (237), 4 states have call successors, (237) [2022-07-23 02:05:54,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:05:54,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:05:54,789 INFO L93 Difference]: Finished difference Result 24765 states and 34165 transitions. [2022-07-23 02:05:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:05:54,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 4 states have call successors, (238), 2 states have call predecessors, (238), 2 states have return successors, (237), 4 states have call predecessors, (237), 4 states have call successors, (237) Word has length 2120 [2022-07-23 02:05:54,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:05:54,857 INFO L225 Difference]: With dead ends: 24765 [2022-07-23 02:05:54,857 INFO L226 Difference]: Without dead ends: 12646 [2022-07-23 02:05:54,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4239 GetRequests, 4234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:05:54,911 INFO L413 NwaCegarLoop]: 3656 mSDtfsCounter, 28 mSDsluCounter, 7269 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 10925 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:05:54,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 10925 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-23 02:05:54,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12646 states. [2022-07-23 02:05:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12646 to 12646. [2022-07-23 02:05:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12646 states, 8403 states have (on average 1.2422944186600025) internal successors, (10439), 8628 states have internal predecessors, (10439), 3448 states have call successors, (3448), 793 states have call predecessors, (3448), 794 states have return successors, (3479), 3360 states have call predecessors, (3479), 3448 states have call successors, (3479) [2022-07-23 02:05:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12646 states to 12646 states and 17366 transitions. [2022-07-23 02:05:55,594 INFO L78 Accepts]: Start accepts. Automaton has 12646 states and 17366 transitions. Word has length 2120 [2022-07-23 02:05:55,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:05:55,595 INFO L495 AbstractCegarLoop]: Abstraction has 12646 states and 17366 transitions. [2022-07-23 02:05:55,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 4 states have call successors, (238), 2 states have call predecessors, (238), 2 states have return successors, (237), 4 states have call predecessors, (237), 4 states have call successors, (237) [2022-07-23 02:05:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 12646 states and 17366 transitions. [2022-07-23 02:05:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2862 [2022-07-23 02:05:55,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:05:55,661 INFO L195 NwaCegarLoop]: trace histogram [138, 138, 88, 88, 69, 69, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 32, 32, 23, 23, 23, 20, 20, 20, 20, 20, 19, 16, 16, 16, 16, 16, 16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:05:55,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-23 02:05:55,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:05:55,881 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:05:55,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:05:55,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1960139684, now seen corresponding path program 2 times [2022-07-23 02:05:55,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:05:55,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238968382] [2022-07-23 02:05:55,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 02:05:55,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:05:55,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:05:55,887 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:05:55,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-23 02:05:58,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 02:05:58,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 02:05:58,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 02:05:58,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:05:58,290 INFO L134 CoverageAnalysis]: Checked inductivity of 68972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68972 trivial. 0 not checked. [2022-07-23 02:05:58,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:05:58,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:05:58,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238968382] [2022-07-23 02:05:58,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [238968382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:05:58,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:05:58,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:05:58,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174209669] [2022-07-23 02:05:58,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:05:58,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:05:58,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:05:58,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:05:58,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:05:58,293 INFO L87 Difference]: Start difference. First operand 12646 states and 17366 transitions. Second operand has 5 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 3 states have call successors, (179), 3 states have call predecessors, (179), 2 states have return successors, (178), 2 states have call predecessors, (178), 2 states have call successors, (178) [2022-07-23 02:05:59,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:05:59,170 INFO L93 Difference]: Finished difference Result 29224 states and 40550 transitions. [2022-07-23 02:05:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:05:59,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 3 states have call successors, (179), 3 states have call predecessors, (179), 2 states have return successors, (178), 2 states have call predecessors, (178), 2 states have call successors, (178) Word has length 2861 [2022-07-23 02:05:59,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:05:59,183 INFO L225 Difference]: With dead ends: 29224 [2022-07-23 02:05:59,184 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 02:05:59,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2861 GetRequests, 2857 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:05:59,264 INFO L413 NwaCegarLoop]: 5215 mSDtfsCounter, 1078 mSDsluCounter, 14289 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 19504 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:05:59,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 19504 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:05:59,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 02:05:59,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 02:05:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 02:05:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 02:05:59,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2861 [2022-07-23 02:05:59,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:05:59,281 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 02:05:59,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 3 states have call successors, (179), 3 states have call predecessors, (179), 2 states have return successors, (178), 2 states have call predecessors, (178), 2 states have call successors, (178) [2022-07-23 02:05:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 02:05:59,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 02:05:59,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 02:05:59,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-23 02:05:59,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:05:59,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.