./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 03:52:34,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 03:52:34,650 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 03:52:34,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 03:52:34,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 03:52:34,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 03:52:34,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 03:52:34,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 03:52:34,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 03:52:34,673 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 03:52:34,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 03:52:34,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 03:52:34,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 03:52:34,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 03:52:34,675 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 03:52:34,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 03:52:34,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 03:52:34,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 03:52:34,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 03:52:34,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 03:52:34,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 03:52:34,676 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 03:52:34,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:52:34,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 03:52:34,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 03:52:34,677 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/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 -> 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 [2025-03-09 03:52:34,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 03:52:34,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 03:52:34,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 03:52:34,920 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 03:52:34,920 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 03:52:34,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2025-03-09 03:52:36,035 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d428504e/11d9dc8691374e0daf0c3e0e5f5cc85a/FLAGcc62d5244 [2025-03-09 03:52:36,411 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 03:52:36,412 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2025-03-09 03:52:36,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d428504e/11d9dc8691374e0daf0c3e0e5f5cc85a/FLAGcc62d5244 [2025-03-09 03:52:36,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d428504e/11d9dc8691374e0daf0c3e0e5f5cc85a [2025-03-09 03:52:36,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 03:52:36,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 03:52:36,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 03:52:36,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 03:52:36,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 03:52:36,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:52:36" (1/1) ... [2025-03-09 03:52:36,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc317e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:36, skipping insertion in model container [2025-03-09 03:52:36,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:52:36" (1/1) ... [2025-03-09 03:52:36,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 03:52:37,372 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:2030) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:206) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-09 03:52:37,378 INFO L158 Benchmark]: Toolchain (without parser) took 770.98ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 83.6MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 03:52:37,378 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 03:52:37,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.88ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 83.6MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 03:52:37,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.88ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 83.6MB in the end (delta: 24.3MB). 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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 03:52:38,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 03:52:39,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-03-09 03:52:39,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 03:52:39,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 03:52:39,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-03-09 03:52:39,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 03:52:39,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 03:52:39,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 03:52:39,126 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 03:52:39,126 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 03:52:39,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 03:52:39,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 03:52:39,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 03:52:39,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 03:52:39,126 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 03:52:39,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 03:52:39,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 03:52:39,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 03:52:39,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 03:52:39,129 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 03:52:39,129 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 03:52:39,129 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 03:52:39,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 03:52:39,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 03:52:39,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 03:52:39,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:52:39,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 03:52:39,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 03:52:39,130 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 03:52:39,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 03:52:39,130 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-09 03:52:39,130 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-09 03:52:39,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 03:52:39,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 03:52:39,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 03:52:39,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 03:52:39,131 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/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 -> 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 [2025-03-09 03:52:39,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 03:52:39,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 03:52:39,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 03:52:39,386 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 03:52:39,386 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 03:52:39,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2025-03-09 03:52:40,582 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092fe62e9/12cf9b6f555e475aa78a38e31a908057/FLAGd46c198da [2025-03-09 03:52:40,848 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 03:52:40,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2025-03-09 03:52:40,870 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092fe62e9/12cf9b6f555e475aa78a38e31a908057/FLAGd46c198da [2025-03-09 03:52:40,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092fe62e9/12cf9b6f555e475aa78a38e31a908057 [2025-03-09 03:52:40,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 03:52:40,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 03:52:40,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 03:52:40,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 03:52:40,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 03:52:40,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:52:40" (1/1) ... [2025-03-09 03:52:40,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b88d5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:40, skipping insertion in model container [2025-03-09 03:52:40,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:52:40" (1/1) ... [2025-03-09 03:52:40,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 03:52:41,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 03:52:41,797 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 03:52:41,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 03:52:42,110 INFO L204 MainTranslator]: Completed translation [2025-03-09 03:52:42,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42 WrapperNode [2025-03-09 03:52:42,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 03:52:42,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 03:52:42,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 03:52:42,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 03:52:42,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,154 INFO L138 Inliner]: procedures = 943, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2025-03-09 03:52:42,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 03:52:42,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 03:52:42,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 03:52:42,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 03:52:42,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,171 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2025-03-09 03:52:42,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,178 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 03:52:42,183 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 03:52:42,183 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 03:52:42,183 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 03:52:42,185 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (1/1) ... [2025-03-09 03:52:42,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:52:42,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:52:42,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 03:52:42,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 03:52:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-09 03:52:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-09 03:52:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 03:52:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 03:52:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 03:52:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-09 03:52:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-09 03:52:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-09 03:52:42,333 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 03:52:42,334 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 03:52:44,678 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2025-03-09 03:52:44,679 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 03:52:44,685 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 03:52:44,686 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 03:52:44,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:52:44 BoogieIcfgContainer [2025-03-09 03:52:44,686 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 03:52:44,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 03:52:44,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 03:52:44,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 03:52:44,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 03:52:40" (1/3) ... [2025-03-09 03:52:44,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bf383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:52:44, skipping insertion in model container [2025-03-09 03:52:44,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:42" (2/3) ... [2025-03-09 03:52:44,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bf383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:52:44, skipping insertion in model container [2025-03-09 03:52:44,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:52:44" (3/3) ... [2025-03-09 03:52:44,695 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_18_good.i [2025-03-09 03:52:44,705 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 03:52:44,707 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_18_good.i that has 3 procedures, 42 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-09 03:52:44,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 03:52:44,750 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;@1ab49dea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 03:52:44,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-09 03:52:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 35 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 03:52:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 03:52:44,757 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:52:44,757 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:52:44,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 03:52:44,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:52:44,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1656437067, now seen corresponding path program 1 times [2025-03-09 03:52:44,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:52:44,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912314985] [2025-03-09 03:52:44,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:52:44,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:44,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:52:44,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 03:52:44,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 03:52:44,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 03:52:44,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 03:52:44,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:52:44,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:52:44,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 03:52:44,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:52:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:52:44,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:52:44,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:52:44,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912314985] [2025-03-09 03:52:44,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912314985] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:52:44,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:52:44,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 03:52:44,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433714980] [2025-03-09 03:52:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:52:44,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 03:52:44,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:52:44,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 03:52:44,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 03:52:44,971 INFO L87 Difference]: Start difference. First operand has 42 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 35 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-03-09 03:52:49,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 03:52:53,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 03:52:57,065 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 [] [2025-03-09 03:52:57,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:52:57,369 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2025-03-09 03:52:57,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 03:52:57,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14 [2025-03-09 03:52:57,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:52:57,374 INFO L225 Difference]: With dead ends: 78 [2025-03-09 03:52:57,375 INFO L226 Difference]: Without dead ends: 38 [2025-03-09 03:52:57,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 03:52:57,378 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 9 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2025-03-09 03:52:57,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 12.4s Time] [2025-03-09 03:52:57,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-03-09 03:52:57,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2025-03-09 03:52:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.28) internal successors, (32), 29 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 03:52:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2025-03-09 03:52:57,406 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 14 [2025-03-09 03:52:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:52:57,406 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2025-03-09 03:52:57,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-03-09 03:52:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2025-03-09 03:52:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-09 03:52:57,408 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:52:57,408 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:52:57,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 03:52:57,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:57,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 03:52:57,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:52:57,609 INFO L85 PathProgramCache]: Analyzing trace with hash 190059339, now seen corresponding path program 1 times [2025-03-09 03:52:57,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:52:57,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513252545] [2025-03-09 03:52:57,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:52:57,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:57,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:52:57,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 03:52:57,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 03:52:57,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 03:52:57,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 03:52:57,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:52:57,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:52:57,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 03:52:57,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:52:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:52:57,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:52:57,703 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:52:57,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513252545] [2025-03-09 03:52:57,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513252545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:52:57,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:52:57,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 03:52:57,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093933771] [2025-03-09 03:52:57,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:52:57,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 03:52:57,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:52:57,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 03:52:57,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 03:52:57,706 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. 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) [2025-03-09 03:52:57,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:52:57,724 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2025-03-09 03:52:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 03:52:57,725 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 [2025-03-09 03:52:57,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:52:57,726 INFO L225 Difference]: With dead ends: 51 [2025-03-09 03:52:57,726 INFO L226 Difference]: Without dead ends: 36 [2025-03-09 03:52:57,726 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 [2025-03-09 03:52:57,726 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 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 [2025-03-09 03:52:57,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 03:52:57,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-03-09 03:52:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-03-09 03:52:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 30 states have internal predecessors, (33), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 03:52:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2025-03-09 03:52:57,732 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 15 [2025-03-09 03:52:57,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:52:57,732 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2025-03-09 03:52:57,733 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) [2025-03-09 03:52:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2025-03-09 03:52:57,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-09 03:52:57,733 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:52:57,734 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:52:57,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 03:52:57,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:57,935 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 03:52:57,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:52:57,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1596845363, now seen corresponding path program 1 times [2025-03-09 03:52:57,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:52:57,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215964230] [2025-03-09 03:52:57,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:52:57,936 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 [2025-03-09 03:52:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 03:52:57,939 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/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) [2025-03-09 03:52:57,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 (4)] Waiting until timeout for monitored process [2025-03-09 03:52:57,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 03:53:37,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 03:53:37,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:53:37,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:53:37,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 03:53:37,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:53:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:53:38,181 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:53:38,182 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:53:38,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215964230] [2025-03-09 03:53:38,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215964230] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:53:38,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:53:38,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 03:53:38,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412969972] [2025-03-09 03:53:38,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:53:38,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 03:53:38,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:53:38,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 03:53:38,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-09 03:53:38,183 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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) [2025-03-09 03:53:42,473 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] [2025-03-09 03:53:46,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 03:53:50,478 WARN L539 Checker$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] [2025-03-09 03:53:54,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 03:53:58,485 WARN L539 Checker$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] [2025-03-09 03:53:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:53:58,693 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2025-03-09 03:53:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 03:53:58,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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 [2025-03-09 03:53:58,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:53:58,693 INFO L225 Difference]: With dead ends: 51 [2025-03-09 03:53:58,693 INFO L226 Difference]: Without dead ends: 39 [2025-03-09 03:53:58,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-09 03:53:58,694 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 9 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2025-03-09 03:53:58,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 104 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 5 Unknown, 0 Unchecked, 20.4s Time] [2025-03-09 03:53:58,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-03-09 03:53:58,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2025-03-09 03:53:58,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 31 states have internal predecessors, (34), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 03:53:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2025-03-09 03:53:58,697 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 16 [2025-03-09 03:53:58,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:53:58,698 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2025-03-09 03:53:58,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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) [2025-03-09 03:53:58,698 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2025-03-09 03:53:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-09 03:53:58,698 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:53:58,698 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:53:58,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 (4)] Ended with exit code 0 [2025-03-09 03:53:58,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/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 [2025-03-09 03:53:58,899 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-09 03:53:58,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:53:58,899 INFO L85 PathProgramCache]: Analyzing trace with hash -2037401305, now seen corresponding path program 1 times [2025-03-09 03:53:58,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:53:58,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470702272] [2025-03-09 03:53:58,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:53:58,899 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 [2025-03-09 03:53:58,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 03:53:58,901 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/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) [2025-03-09 03:53:58,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-09 03:53:58,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes.