./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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_15_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 f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 15:48:15,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 15:48:15,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 15:48:15,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 15:48:15,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 15:48:15,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 15:48:15,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 15:48:15,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 15:48:15,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 15:48:15,127 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 15:48:15,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 15:48:15,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 15:48:15,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 15:48:15,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 15:48:15,128 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 15:48:15,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 15:48:15,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 15:48:15,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 15:48:15,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 15:48:15,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 15:48:15,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 15:48:15,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 15:48:15,130 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 15:48:15,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 15:48:15,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 15:48:15,131 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 15:48:15,131 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 15:48:15,131 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 15:48:15,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 15:48:15,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 15:48:15,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 15:48:15,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:48:15,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 15:48:15,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 15:48:15,132 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 -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2025-02-06 15:48:15,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 15:48:15,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 15:48:15,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 15:48:15,370 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 15:48:15,370 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 15:48:15,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2025-02-06 15:48:16,446 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e1ec75a9/d8468bc7bb4341739ae15dc0ae2cc6a3/FLAGb956079bd [2025-02-06 15:48:16,765 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 15:48:16,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2025-02-06 15:48:16,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e1ec75a9/d8468bc7bb4341739ae15dc0ae2cc6a3/FLAGb956079bd [2025-02-06 15:48:17,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e1ec75a9/d8468bc7bb4341739ae15dc0ae2cc6a3 [2025-02-06 15:48:17,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 15:48:17,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 15:48:17,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 15:48:17,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 15:48:17,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 15:48:17,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:48:17" (1/1) ... [2025-02-06 15:48:17,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4981e2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:17, skipping insertion in model container [2025-02-06 15:48:17,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:48:17" (1/1) ... [2025-02-06 15:48:17,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 15:48:17,804 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.visit(CHandler.java:2471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:200) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-06 15:48:17,809 INFO L158 Benchmark]: Toolchain (without parser) took 797.85ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 76.6MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 15:48:17,809 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:48:17,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.22ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 76.6MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 15:48:17,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.22ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 76.6MB in the end (delta: 24.9MB). 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_15_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 f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 15:48:19,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 15:48:19,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-02-06 15:48:19,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 15:48:19,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 15:48:19,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-02-06 15:48:19,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 15:48:19,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 15:48:19,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 15:48:19,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 15:48:19,562 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 15:48:19,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 15:48:19,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 15:48:19,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 15:48:19,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 15:48:19,562 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 15:48:19,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 15:48:19,563 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 15:48:19,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 15:48:19,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 15:48:19,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 15:48:19,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:48:19,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 15:48:19,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 15:48:19,565 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 15:48:19,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 15:48:19,565 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 15:48:19,565 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 15:48:19,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 15:48:19,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 15:48:19,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 15:48:19,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 15:48:19,565 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 -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2025-02-06 15:48:19,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 15:48:19,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 15:48:19,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 15:48:19,822 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 15:48:19,823 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 15:48:19,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2025-02-06 15:48:21,004 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca66b8e86/11c1546089504d65b7c08d3da0ca8297/FLAG9dc116435 [2025-02-06 15:48:21,334 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 15:48:21,335 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2025-02-06 15:48:21,362 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca66b8e86/11c1546089504d65b7c08d3da0ca8297/FLAG9dc116435 [2025-02-06 15:48:21,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca66b8e86/11c1546089504d65b7c08d3da0ca8297 [2025-02-06 15:48:21,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 15:48:21,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 15:48:21,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 15:48:21,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 15:48:21,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 15:48:21,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:48:21" (1/1) ... [2025-02-06 15:48:21,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5812e66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:21, skipping insertion in model container [2025-02-06 15:48:21,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:48:21" (1/1) ... [2025-02-06 15:48:21,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 15:48:22,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:48:22,323 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 15:48:22,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:48:22,572 INFO L204 MainTranslator]: Completed translation [2025-02-06 15:48:22,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22 WrapperNode [2025-02-06 15:48:22,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 15:48:22,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 15:48:22,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 15:48:22,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 15:48:22,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,625 INFO L138 Inliner]: procedures = 945, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 211 [2025-02-06 15:48:22,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 15:48:22,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 15:48:22,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 15:48:22,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 15:48:22,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,639 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,653 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]. [2025-02-06 15:48:22,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,663 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 15:48:22,674 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 15:48:22,674 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 15:48:22,674 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 15:48:22,675 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (1/1) ... [2025-02-06 15:48:22,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:48:22,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:48:22,707 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) [2025-02-06 15:48:22,710 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 [2025-02-06 15:48:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-02-06 15:48:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-02-06 15:48:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 15:48:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 15:48:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 15:48:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-06 15:48:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-06 15:48:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 15:48:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-06 15:48:22,841 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 15:48:22,842 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 15:48:29,404 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2025-02-06 15:48:29,404 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 15:48:29,413 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 15:48:29,413 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 15:48:29,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:48:29 BoogieIcfgContainer [2025-02-06 15:48:29,414 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 15:48:29,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 15:48:29,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 15:48:29,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 15:48:29,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:48:21" (1/3) ... [2025-02-06 15:48:29,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cd1a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:48:29, skipping insertion in model container [2025-02-06 15:48:29,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:48:22" (2/3) ... [2025-02-06 15:48:29,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cd1a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:48:29, skipping insertion in model container [2025-02-06 15:48:29,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:48:29" (3/3) ... [2025-02-06 15:48:29,423 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_15_good.i [2025-02-06 15:48:29,433 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 15:48:29,434 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_15_good.i that has 3 procedures, 93 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2025-02-06 15:48:29,466 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 15:48:29,473 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;@49391fcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 15:48:29,474 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-02-06 15:48:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 62 states have (on average 1.532258064516129) internal successors, (95), 84 states have internal predecessors, (95), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 15:48:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 15:48:29,480 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:48:29,481 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:48:29,481 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)] === [2025-02-06 15:48:29,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:48:29,485 INFO L85 PathProgramCache]: Analyzing trace with hash 408265623, now seen corresponding path program 1 times [2025-02-06 15:48:29,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:48:29,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552233400] [2025-02-06 15:48:29,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:48:29,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:48:29,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:48:29,494 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) [2025-02-06 15:48:29,496 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 [2025-02-06 15:48:29,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 15:48:29,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 15:48:29,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:48:29,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:48:29,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 15:48:29,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 15:48:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 15:48:29,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 15:48:29,614 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 15:48:29,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552233400] [2025-02-06 15:48:29,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552233400] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:48:29,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:48:29,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 15:48:29,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003355083] [2025-02-06 15:48:29,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:48:29,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 15:48:29,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 15:48:29,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 15:48:29,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:48:29,633 INFO L87 Difference]: Start difference. First operand has 93 states, 62 states have (on average 1.532258064516129) internal successors, (95), 84 states have internal predecessors, (95), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 15:48:29,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:48:29,661 INFO L93 Difference]: Finished difference Result 176 states and 246 transitions. [2025-02-06 15:48:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 15:48:29,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2025-02-06 15:48:29,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:48:29,668 INFO L225 Difference]: With dead ends: 176 [2025-02-06 15:48:29,668 INFO L226 Difference]: Without dead ends: 79 [2025-02-06 15:48:29,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:48:29,672 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 15:48:29,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 15:48:29,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-02-06 15:48:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-02-06 15:48:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.528301886792453) internal successors, (81), 72 states have internal predecessors, (81), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 15:48:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2025-02-06 15:48:29,702 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 15 [2025-02-06 15:48:29,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:48:29,703 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2025-02-06 15:48:29,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 15:48:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2025-02-06 15:48:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 15:48:29,704 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:48:29,705 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:48:29,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 15:48:29,905 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 [2025-02-06 15:48:29,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-06 15:48:29,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:48:29,906 INFO L85 PathProgramCache]: Analyzing trace with hash 37264663, now seen corresponding path program 1 times [2025-02-06 15:48:29,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:48:29,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185958475] [2025-02-06 15:48:29,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:48:29,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:48:29,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:48:29,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 15:48:29,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 15:48:29,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 15:48:29,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 15:48:29,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:48:29,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:48:29,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 15:48:29,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 15:48:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 15:48:30,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 15:48:30,040 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 15:48:30,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185958475] [2025-02-06 15:48:30,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185958475] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:48:30,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:48:30,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 15:48:30,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623307713] [2025-02-06 15:48:30,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:48:30,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 15:48:30,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 15:48:30,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 15:48:30,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 15:48:30,042 INFO L87 Difference]: Start difference. First operand 79 states and 109 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 15:48:34,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 15:48:38,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 15:48:42,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 15:48:43,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 15:48:43,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:48:43,777 INFO L93 Difference]: Finished difference Result 153 states and 212 transitions. [2025-02-06 15:48:43,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 15:48:43,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2025-02-06 15:48:43,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:48:43,779 INFO L225 Difference]: With dead ends: 153 [2025-02-06 15:48:43,779 INFO L226 Difference]: Without dead ends: 88 [2025-02-06 15:48:43,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 15:48:43,780 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 14 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2025-02-06 15:48:43,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 308 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2025-02-06 15:48:43,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-02-06 15:48:43,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2025-02-06 15:48:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 58 states have (on average 1.5) internal successors, (87), 75 states have internal predecessors, (87), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 15:48:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 115 transitions. [2025-02-06 15:48:43,786 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 115 transitions. Word has length 16 [2025-02-06 15:48:43,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:48:43,787 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 115 transitions. [2025-02-06 15:48:43,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 15:48:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2025-02-06 15:48:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 15:48:43,787 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:48:43,787 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:48:43,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 15:48:43,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:48:43,992 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)] === [2025-02-06 15:48:43,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:48:43,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1155205501, now seen corresponding path program 1 times [2025-02-06 15:48:43,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:48:43,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083763340] [2025-02-06 15:48:43,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:48:43,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:48:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:48:43,996 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) [2025-02-06 15:48:43,997 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 [2025-02-06 15:48:44,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 15:48:44,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 15:48:44,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:48:44,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:48:44,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 15:48:44,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 15:48:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 15:48:44,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 15:48:44,111 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 15:48:44,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083763340] [2025-02-06 15:48:44,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083763340] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:48:44,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:48:44,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 15:48:44,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74792453] [2025-02-06 15:48:44,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:48:44,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 15:48:44,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 15:48:44,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 15:48:44,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:48:44,113 INFO L87 Difference]: Start difference. First operand 83 states and 115 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 15:48:44,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:48:44,142 INFO L93 Difference]: Finished difference Result 146 states and 200 transitions. [2025-02-06 15:48:44,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 15:48:44,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2025-02-06 15:48:44,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:48:44,143 INFO L225 Difference]: With dead ends: 146 [2025-02-06 15:48:44,143 INFO L226 Difference]: Without dead ends: 84 [2025-02-06 15:48:44,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:48:44,144 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 207 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 [2025-02-06 15:48:44,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 15:48:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-06 15:48:44,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2025-02-06 15:48:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 76 states have internal predecessors, (88), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 15:48:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 116 transitions. [2025-02-06 15:48:44,154 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 116 transitions. Word has length 17 [2025-02-06 15:48:44,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:48:44,154 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 116 transitions. [2025-02-06 15:48:44,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 15:48:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2025-02-06 15:48:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 15:48:44,155 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:48:44,155 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:48:44,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 15:48:44,359 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 [2025-02-06 15:48:44,359 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)] === [2025-02-06 15:48:44,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:48:44,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1451605397, now seen corresponding path program 1 times [2025-02-06 15:48:44,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:48:44,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768222311] [2025-02-06 15:48:44,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:48:44,360 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 [2025-02-06 15:48:44,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 15:48:44,363 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) [2025-02-06 15:48:44,364 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 [2025-02-06 15:48:44,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 15:49:26,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 15:49:26,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:49:26,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:49:27,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 15:49:27,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 15:49:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 15:49:27,524 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 15:49:27,524 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 15:49:27,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768222311] [2025-02-06 15:49:27,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768222311] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:49:27,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:49:27,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 15:49:27,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934860766] [2025-02-06 15:49:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:49:27,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 15:49:27,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 15:49:27,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 15:49:27,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 15:49:27,525 INFO L87 Difference]: Start difference. First operand 84 states and 116 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 15:49:31,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-06 15:49:35,864 WARN L539 Checker$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] [2025-02-06 15:49:39,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-06 15:49:43,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-06 15:49:47,874 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] [2025-02-06 15:49:48,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:49:48,156 INFO L93 Difference]: Finished difference Result 149 states and 205 transitions. [2025-02-06 15:49:48,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 15:49:48,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2025-02-06 15:49:48,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:49:48,159 INFO L225 Difference]: With dead ends: 149 [2025-02-06 15:49:48,159 INFO L226 Difference]: Without dead ends: 91 [2025-02-06 15:49:48,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 15:49:48,160 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 15 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2025-02-06 15:49:48,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 503 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2025-02-06 15:49:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-02-06 15:49:48,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 85. [2025-02-06 15:49:48,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 61 states have (on average 1.459016393442623) internal successors, (89), 77 states have internal predecessors, (89), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 15:49:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 117 transitions. [2025-02-06 15:49:48,172 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 117 transitions. Word has length 18 [2025-02-06 15:49:48,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:49:48,172 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 117 transitions. [2025-02-06 15:49:48,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 15:49:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2025-02-06 15:49:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 15:49:48,173 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:49:48,173 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:49:48,181 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-02-06 15:49:48,374 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 [2025-02-06 15:49:48,374 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)] === [2025-02-06 15:49:48,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:49:48,374 INFO L85 PathProgramCache]: Analyzing trace with hash 2050094425, now seen corresponding path program 1 times [2025-02-06 15:49:48,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:49:48,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596775225] [2025-02-06 15:49:48,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:49:48,375 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 [2025-02-06 15:49:48,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 15:49:48,376 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) [2025-02-06 15:49:48,377 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 [2025-02-06 15:49:48,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes.