./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 11:13:56,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 11:13:56,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 11:13:56,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 11:13:56,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 11:13:56,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 11:13:56,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 11:13:56,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 11:13:56,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 11:13:56,463 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 11:13:56,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 11:13:56,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 11:13:56,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 11:13:56,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 11:13:56,464 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 11:13:56,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 11:13:56,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 11:13:56,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 11:13:56,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 11:13:56,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 11:13:56,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 11:13:56,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 11:13:56,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 11:13:56,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 11:13:56,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 11:13:56,466 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 11:13:56,466 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 11:13:56,466 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 11:13:56,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 11:13:56,467 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 11:13:56,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 11:13:56,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 11:13:56,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 11:13:56,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 11:13:56,469 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 ! overflow) ) 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 -> 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 [2025-02-08 11:13:56,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 11:13:56,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 11:13:56,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 11:13:56,778 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 11:13:56,779 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 11:13:56,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2025-02-08 11:13:58,049 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/661704c6b/f7284b9c0c0b4d78af9b2d648b2b5afa/FLAG1acd7fd3d [2025-02-08 11:13:58,570 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 11:13:58,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2025-02-08 11:13:58,598 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/661704c6b/f7284b9c0c0b4d78af9b2d648b2b5afa/FLAG1acd7fd3d [2025-02-08 11:13:58,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/661704c6b/f7284b9c0c0b4d78af9b2d648b2b5afa [2025-02-08 11:13:58,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 11:13:58,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 11:13:58,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 11:13:58,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 11:13:58,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 11:13:58,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:13:58" (1/1) ... [2025-02-08 11:13:58,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec176d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:13:58, skipping insertion in model container [2025-02-08 11:13:58,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:13:58" (1/1) ... [2025-02-08 11:13:58,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 11:13:59,660 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3127) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1808) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1839) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-08 11:13:59,668 INFO L158 Benchmark]: Toolchain (without parser) took 1047.10ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 82.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 11:13:59,668 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:13:59,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1044.98ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 82.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 11:13:59,669 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1044.98ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 82.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 11:14:01,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 11:14:01,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-02-08 11:14:01,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 11:14:01,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 11:14:01,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-02-08 11:14:01,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 11:14:01,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 11:14:01,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 11:14:01,894 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 11:14:01,894 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 11:14:01,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 11:14:01,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 11:14:01,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 11:14:01,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 11:14:01,895 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 11:14:01,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 11:14:01,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 11:14:01,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 11:14:01,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 11:14:01,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 11:14:01,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 11:14:01,898 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 11:14:01,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 11:14:01,898 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 11:14:01,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 11:14:01,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 11:14:01,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 11:14:01,899 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 11:14:01,899 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 11:14:01,899 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 11:14:01,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 11:14:01,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 11:14:01,900 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 ! overflow) ) 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 -> 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 [2025-02-08 11:14:02,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 11:14:02,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 11:14:02,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 11:14:02,221 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 11:14:02,222 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 11:14:02,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2025-02-08 11:14:03,562 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd89df0b0/a381e45899b24af497dc5629703f6d65/FLAG9e117043b [2025-02-08 11:14:04,008 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 11:14:04,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2025-02-08 11:14:04,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd89df0b0/a381e45899b24af497dc5629703f6d65/FLAG9e117043b [2025-02-08 11:14:04,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd89df0b0/a381e45899b24af497dc5629703f6d65 [2025-02-08 11:14:04,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 11:14:04,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 11:14:04,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 11:14:04,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 11:14:04,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 11:14:04,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:14:04" (1/1) ... [2025-02-08 11:14:04,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4dadef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:04, skipping insertion in model container [2025-02-08 11:14:04,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:14:04" (1/1) ... [2025-02-08 11:14:04,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 11:14:05,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 11:14:05,318 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 11:14:05,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 11:14:05,634 INFO L204 MainTranslator]: Completed translation [2025-02-08 11:14:05,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05 WrapperNode [2025-02-08 11:14:05,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 11:14:05,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 11:14:05,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 11:14:05,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 11:14:05,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,709 INFO L138 Inliner]: procedures = 947, calls = 54, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 159 [2025-02-08 11:14:05,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 11:14:05,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 11:14:05,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 11:14:05,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 11:14:05,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,745 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0]. [2025-02-08 11:14:05,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 11:14:05,769 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 11:14:05,769 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 11:14:05,770 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 11:14:05,770 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (1/1) ... [2025-02-08 11:14:05,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 11:14:05,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 11:14:05,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 11:14:05,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 11:14:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-02-08 11:14:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-02-08 11:14:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 11:14:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 11:14:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 11:14:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2025-02-08 11:14:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2025-02-08 11:14:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-08 11:14:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-08 11:14:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 11:14:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 11:14:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2025-02-08 11:14:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2025-02-08 11:14:05,964 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 11:14:05,966 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 11:14:10,517 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2025-02-08 11:14:10,518 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 11:14:10,532 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 11:14:10,532 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 11:14:10,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 11:14:10 BoogieIcfgContainer [2025-02-08 11:14:10,533 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 11:14:10,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 11:14:10,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 11:14:10,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 11:14:10,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 11:14:04" (1/3) ... [2025-02-08 11:14:10,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2bef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:14:10, skipping insertion in model container [2025-02-08 11:14:10,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:14:05" (2/3) ... [2025-02-08 11:14:10,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2bef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:14:10, skipping insertion in model container [2025-02-08 11:14:10,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 11:14:10" (3/3) ... [2025-02-08 11:14:10,544 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_08_good.i [2025-02-08 11:14:10,557 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 11:14:10,558 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_08_good.i that has 5 procedures, 82 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2025-02-08 11:14:10,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 11:14:10,609 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6d978780, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 11:14:10,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-02-08 11:14:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 63 states have internal predecessors, (72), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 11:14:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 11:14:10,618 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:14:10,618 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:14:10,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 11:14:10,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:14:10,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1245481285, now seen corresponding path program 1 times [2025-02-08 11:14:10,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 11:14:10,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821952774] [2025-02-08 11:14:10,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:14:10,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 11:14:10,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 11:14:10,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 11:14:10,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 11:14:10,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 11:14:10,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 11:14:10,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:14:10,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 11:14:10,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 11:14:10,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 11:14:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 11:14:10,834 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 11:14:10,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 11:14:10,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821952774] [2025-02-08 11:14:10,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821952774] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 11:14:10,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 11:14:10,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 11:14:10,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033337190] [2025-02-08 11:14:10,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 11:14:10,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 11:14:10,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 11:14:10,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 11:14:10,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 11:14:10,859 INFO L87 Difference]: Start difference. First operand has 82 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 63 states have internal predecessors, (72), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 11:14:14,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-08 11:14:18,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-08 11:14:23,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-08 11:14:23,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 11:14:23,781 INFO L93 Difference]: Finished difference Result 158 states and 215 transitions. [2025-02-08 11:14:23,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 11:14:23,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2025-02-08 11:14:23,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 11:14:23,792 INFO L225 Difference]: With dead ends: 158 [2025-02-08 11:14:23,792 INFO L226 Difference]: Without dead ends: 82 [2025-02-08 11:14:23,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 11:14:23,798 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 11 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2025-02-08 11:14:23,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 292 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2025-02-08 11:14:23,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-02-08 11:14:23,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2025-02-08 11:14:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 46 states have (on average 1.5) internal successors, (69), 59 states have internal predecessors, (69), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 11:14:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2025-02-08 11:14:23,840 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 19 [2025-02-08 11:14:23,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 11:14:23,840 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2025-02-08 11:14:23,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 11:14:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2025-02-08 11:14:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 11:14:23,842 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:14:23,842 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:14:23,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 11:14:24,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 11:14:24,044 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 11:14:24,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:14:24,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1388359421, now seen corresponding path program 1 times [2025-02-08 11:14:24,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 11:14:24,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101664008] [2025-02-08 11:14:24,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:14:24,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-08 11:14:24,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-08 11:14:24,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-08 11:14:24,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-08 11:14:24,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 11:14:24,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 11:14:24,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:14:24,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 11:14:24,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 11:14:24,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 11:14:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 11:14:24,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 11:14:24,173 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 11:14:24,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101664008] [2025-02-08 11:14:24,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101664008] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 11:14:24,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 11:14:24,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 11:14:24,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325161937] [2025-02-08 11:14:24,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 11:14:24,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 11:14:24,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 11:14:24,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 11:14:24,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 11:14:24,179 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 11:14:24,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 11:14:24,200 INFO L93 Difference]: Finished difference Result 144 states and 194 transitions. [2025-02-08 11:14:24,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 11:14:24,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-02-08 11:14:24,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 11:14:24,205 INFO L225 Difference]: With dead ends: 144 [2025-02-08 11:14:24,205 INFO L226 Difference]: Without dead ends: 78 [2025-02-08 11:14:24,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 11:14:24,206 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 11:14:24,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 11:14:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-08 11:14:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-02-08 11:14:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 59 states have internal predecessors, (68), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 11:14:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2025-02-08 11:14:24,216 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 21 [2025-02-08 11:14:24,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 11:14:24,221 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2025-02-08 11:14:24,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 11:14:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2025-02-08 11:14:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-08 11:14:24,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:14:24,223 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:14:24,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-02-08 11:14:24,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-08 11:14:24,424 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 11:14:24,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:14:24,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1443717789, now seen corresponding path program 1 times [2025-02-08 11:14:24,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 11:14:24,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419460660] [2025-02-08 11:14:24,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:14:24,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 11:14:24,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 11:14:24,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 11:14:24,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 11:14:24,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 11:14:24,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 11:14:24,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:14:24,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 11:14:24,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 11:14:24,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 11:14:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 11:14:24,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 11:14:24,559 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 11:14:24,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419460660] [2025-02-08 11:14:24,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419460660] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 11:14:24,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 11:14:24,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 11:14:24,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637412334] [2025-02-08 11:14:24,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 11:14:24,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 11:14:24,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 11:14:24,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 11:14:24,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 11:14:24,560 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 11:14:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 11:14:24,602 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2025-02-08 11:14:24,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 11:14:24,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2025-02-08 11:14:24,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 11:14:24,604 INFO L225 Difference]: With dead ends: 138 [2025-02-08 11:14:24,604 INFO L226 Difference]: Without dead ends: 79 [2025-02-08 11:14:24,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 11:14:24,607 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 11:14:24,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 191 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 11:14:24,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-02-08 11:14:24,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-02-08 11:14:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 60 states have internal predecessors, (69), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 11:14:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 107 transitions. [2025-02-08 11:14:24,634 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 107 transitions. Word has length 22 [2025-02-08 11:14:24,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 11:14:24,635 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 107 transitions. [2025-02-08 11:14:24,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 11:14:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2025-02-08 11:14:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-08 11:14:24,635 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:14:24,636 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:14:24,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 11:14:24,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 11:14:24,836 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 11:14:24,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:14:24,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1805605307, now seen corresponding path program 1 times [2025-02-08 11:14:24,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 11:14:24,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927097288] [2025-02-08 11:14:24,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:14:24,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-08 11:14:24,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-08 11:14:24,839 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-08 11:14:24,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-02-08 11:14:24,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 11:15:06,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 11:15:06,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:15:06,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 11:15:07,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 11:15:07,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 11:15:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 11:15:07,572 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 11:15:07,572 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 11:15:07,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927097288] [2025-02-08 11:15:07,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927097288] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 11:15:07,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 11:15:07,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 11:15:07,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638418179] [2025-02-08 11:15:07,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 11:15:07,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 11:15:07,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 11:15:07,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 11:15:07,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 11:15:07,573 INFO L87 Difference]: Start difference. First operand 79 states and 107 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 11:15:11,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 11:15:15,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 11:15:19,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 11:15:23,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 11:15:27,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 11:15:28,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 11:15:28,279 INFO L93 Difference]: Finished difference Result 139 states and 186 transitions. [2025-02-08 11:15:28,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 11:15:28,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2025-02-08 11:15:28,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 11:15:28,283 INFO L225 Difference]: With dead ends: 139 [2025-02-08 11:15:28,283 INFO L226 Difference]: Without dead ends: 84 [2025-02-08 11:15:28,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 11:15:28,284 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 16 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2025-02-08 11:15:28,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 281 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 5 Unknown, 0 Unchecked, 20.6s Time] [2025-02-08 11:15:28,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-08 11:15:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2025-02-08 11:15:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 61 states have internal predecessors, (70), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 11:15:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 108 transitions. [2025-02-08 11:15:28,300 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 108 transitions. Word has length 23 [2025-02-08 11:15:28,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 11:15:28,300 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 108 transitions. [2025-02-08 11:15:28,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 11:15:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2025-02-08 11:15:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 11:15:28,301 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:15:28,301 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:15:28,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-02-08 11:15:28,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-08 11:15:28,502 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 11:15:28,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:15:28,503 INFO L85 PathProgramCache]: Analyzing trace with hash -139189633, now seen corresponding path program 1 times [2025-02-08 11:15:28,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 11:15:28,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925552834] [2025-02-08 11:15:28,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:15:28,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-08 11:15:28,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-08 11:15:28,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-08 11:15:28,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-02-08 11:15:28,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes.