./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 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_rand_square_08_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 f2ac703212614b087c292d4984137806c79a3336e9290a05f737ed0333b87950 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 13:30:06,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 13:30:06,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-04 13:30:06,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 13:30:06,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 13:30:06,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 13:30:06,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 13:30:06,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 13:30:06,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 13:30:06,375 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 13:30:06,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 13:30:06,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 13:30:06,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 13:30:06,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 13:30:06,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 13:30:06,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 13:30:06,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 13:30:06,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 13:30:06,377 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 -> f2ac703212614b087c292d4984137806c79a3336e9290a05f737ed0333b87950 [2025-03-04 13:30:06,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 13:30:06,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 13:30:06,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 13:30:06,622 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 13:30:06,622 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 13:30:06,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_good.i [2025-03-04 13:30:07,803 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ff0be04/1f82724d5d964ab2be993b38bdc86ba3/FLAGba6b7086d [2025-03-04 13:30:08,173 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 13:30:08,173 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_good.i [2025-03-04 13:30:08,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ff0be04/1f82724d5d964ab2be993b38bdc86ba3/FLAGba6b7086d [2025-03-04 13:30:08,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ff0be04/1f82724d5d964ab2be993b38bdc86ba3 [2025-03-04 13:30:08,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 13:30:08,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 13:30:08,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 13:30:08,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 13:30:08,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 13:30:08,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:30:08" (1/1) ... [2025-03-04 13:30:08,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436c86d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:08, skipping insertion in model container [2025-03-04 13:30:08,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:30:08" (1/1) ... [2025-03-04 13:30:08,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 13:30:09,121 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3127) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1808) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1839) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-04 13:30:09,132 INFO L158 Benchmark]: Toolchain (without parser) took 757.32ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 76.3MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 13:30:09,133 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 13:30:09,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.90ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 76.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 13:30:09,133 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.90ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 76.3MB 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/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_rand_square_08_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 f2ac703212614b087c292d4984137806c79a3336e9290a05f737ed0333b87950 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 13:30:10,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 13:30:10,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-03-04 13:30:10,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 13:30:10,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 13:30:10,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-03-04 13:30:10,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 13:30:10,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 13:30:10,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 13:30:10,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 13:30:10,915 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 13:30:10,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 13:30:10,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 13:30:10,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 13:30:10,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 13:30:10,917 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 13:30:10,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 13:30:10,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 13:30:10,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 13:30:10,919 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 13:30:10,919 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 13:30:10,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 13:30:10,919 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 13:30:10,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 13:30:10,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 13:30:10,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 13:30:10,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 13:30:10,921 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 -> f2ac703212614b087c292d4984137806c79a3336e9290a05f737ed0333b87950 [2025-03-04 13:30:11,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 13:30:11,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 13:30:11,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 13:30:11,159 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 13:30:11,159 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 13:30:11,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_good.i [2025-03-04 13:30:12,294 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6423874/99ce8218d58e496a9ee1512f9a57b342/FLAGea7892c08 [2025-03-04 13:30:12,619 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 13:30:12,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_good.i [2025-03-04 13:30:12,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6423874/99ce8218d58e496a9ee1512f9a57b342/FLAGea7892c08 [2025-03-04 13:30:12,856 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6423874/99ce8218d58e496a9ee1512f9a57b342 [2025-03-04 13:30:12,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 13:30:12,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 13:30:12,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 13:30:12,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 13:30:12,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 13:30:12,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:30:12" (1/1) ... [2025-03-04 13:30:12,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34dc75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:12, skipping insertion in model container [2025-03-04 13:30:12,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:30:12" (1/1) ... [2025-03-04 13:30:12,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 13:30:13,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 13:30:13,697 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 13:30:13,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 13:30:14,081 INFO L204 MainTranslator]: Completed translation [2025-03-04 13:30:14,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14 WrapperNode [2025-03-04 13:30:14,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 13:30:14,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 13:30:14,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 13:30:14,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 13:30:14,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,141 INFO L138 Inliner]: procedures = 946, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 149 [2025-03-04 13:30:14,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 13:30:14,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 13:30:14,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 13:30:14,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 13:30:14,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,162 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-04 13:30:14,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 13:30:14,191 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 13:30:14,191 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 13:30:14,191 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 13:30:14,192 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (1/1) ... [2025-03-04 13:30:14,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 13:30:14,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 13:30:14,220 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) [2025-03-04 13:30:14,223 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 [2025-03-04 13:30:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-04 13:30:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-04 13:30:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 13:30:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 13:30:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 13:30:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2025-03-04 13:30:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2025-03-04 13:30:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-04 13:30:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-04 13:30:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2025-03-04 13:30:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2025-03-04 13:30:14,375 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 13:30:14,377 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 13:30:20,278 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2025-03-04 13:30:20,278 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 13:30:20,285 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 13:30:20,285 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 13:30:20,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:30:20 BoogieIcfgContainer [2025-03-04 13:30:20,285 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 13:30:20,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 13:30:20,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 13:30:20,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 13:30:20,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 01:30:12" (1/3) ... [2025-03-04 13:30:20,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5a991a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:30:20, skipping insertion in model container [2025-03-04 13:30:20,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:30:14" (2/3) ... [2025-03-04 13:30:20,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5a991a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:30:20, skipping insertion in model container [2025-03-04 13:30:20,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:30:20" (3/3) ... [2025-03-04 13:30:20,292 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_08_good.i [2025-03-04 13:30:20,302 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 13:30:20,303 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_square_08_good.i that has 5 procedures, 83 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2025-03-04 13:30:20,343 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 13:30:20,352 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;@5877b50b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 13:30:20,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-04 13:30:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 50 states have (on average 1.5) internal successors, (75), 64 states have internal predecessors, (75), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 13:30:20,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 13:30:20,365 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:30:20,365 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:30:20,365 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)] === [2025-03-04 13:30:20,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:30:20,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1883739596, now seen corresponding path program 1 times [2025-03-04 13:30:20,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 13:30:20,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460103811] [2025-03-04 13:30:20,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:30:20,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 13:30:20,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 13:30:20,379 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) [2025-03-04 13:30:20,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 13:30:20,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 13:30:20,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 13:30:20,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:30:20,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:30:20,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 13:30:20,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 13:30:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 13:30:20,529 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 13:30:20,529 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 13:30:20,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460103811] [2025-03-04 13:30:20,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460103811] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:30:20,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:30:20,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 13:30:20,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255310851] [2025-03-04 13:30:20,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:30:20,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 13:30:20,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 13:30:20,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 13:30:20,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:30:20,549 INFO L87 Difference]: Start difference. First operand has 83 states, 50 states have (on average 1.5) internal successors, (75), 64 states have internal predecessors, (75), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 13:30:24,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 13:30:28,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 13:30:32,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 13:30:34,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 13:30:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:30:34,209 INFO L93 Difference]: Finished difference Result 159 states and 213 transitions. [2025-03-04 13:30:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 13:30:34,211 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2025-03-04 13:30:34,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:30:34,215 INFO L225 Difference]: With dead ends: 159 [2025-03-04 13:30:34,216 INFO L226 Difference]: Without dead ends: 80 [2025-03-04 13:30:34,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 13:30:34,219 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 11 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2025-03-04 13:30:34,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 288 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2025-03-04 13:30:34,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-03-04 13:30:34,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2025-03-04 13:30:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 46 states have (on average 1.5) internal successors, (69), 58 states have internal predecessors, (69), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-04 13:30:34,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2025-03-04 13:30:34,252 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 20 [2025-03-04 13:30:34,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:30:34,252 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2025-03-04 13:30:34,252 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 13:30:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2025-03-04 13:30:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-04 13:30:34,253 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:30:34,253 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:30:34,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 13:30:34,454 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 [2025-03-04 13:30:34,454 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-04 13:30:34,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:30:34,455 INFO L85 PathProgramCache]: Analyzing trace with hash -2092518798, now seen corresponding path program 1 times [2025-03-04 13:30:34,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 13:30:34,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977728857] [2025-03-04 13:30:34,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:30:34,455 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 [2025-03-04 13:30:34,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 13:30:34,457 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2025-03-04 13:30:34,458 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 (3)] Waiting until timeout for monitored process [2025-03-04 13:30:34,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 13:30:34,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 13:30:34,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:30:34,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:30:34,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 13:30:34,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 13:30:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 13:30:34,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 13:30:34,553 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 13:30:34,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977728857] [2025-03-04 13:30:34,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977728857] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:30:34,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:30:34,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 13:30:34,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027945124] [2025-03-04 13:30:34,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:30:34,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 13:30:34,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 13:30:34,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 13:30:34,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:30:34,557 INFO L87 Difference]: Start difference. First operand 76 states and 103 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 13:30:34,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:30:34,585 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2025-03-04 13:30:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 13:30:34,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2025-03-04 13:30:34,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:30:34,587 INFO L225 Difference]: With dead ends: 138 [2025-03-04 13:30:34,587 INFO L226 Difference]: Without dead ends: 73 [2025-03-04 13:30:34,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:30:34,588 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 13:30:34,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 13:30:34,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-03-04 13:30:34,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-03-04 13:30:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 56 states have internal predecessors, (65), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-04 13:30:34,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2025-03-04 13:30:34,601 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 22 [2025-03-04 13:30:34,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:30:34,601 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2025-03-04 13:30:34,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 13:30:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2025-03-04 13:30:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-04 13:30:34,602 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:30:34,603 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:30:34,608 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 (3)] Ended with exit code 0 [2025-03-04 13:30:34,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2025-03-04 13:30:34,806 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)] === [2025-03-04 13:30:34,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:30:34,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1569895978, now seen corresponding path program 1 times [2025-03-04 13:30:34,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 13:30:34,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1865009708] [2025-03-04 13:30:34,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:30:34,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 13:30:34,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 13:30:34,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 13:30:34,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 13:30:34,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 13:30:34,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 13:30:34,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:30:34,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:30:34,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 13:30:34,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 13:30:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 13:30:34,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 13:30:34,906 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 13:30:34,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865009708] [2025-03-04 13:30:34,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865009708] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:30:34,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:30:34,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 13:30:34,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204621215] [2025-03-04 13:30:34,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:30:34,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 13:30:34,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 13:30:34,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 13:30:34,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 13:30:34,908 INFO L87 Difference]: Start difference. First operand 73 states and 97 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 13:30:34,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:30:34,946 INFO L93 Difference]: Finished difference Result 132 states and 172 transitions. [2025-03-04 13:30:34,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 13:30:34,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2025-03-04 13:30:34,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:30:34,948 INFO L225 Difference]: With dead ends: 132 [2025-03-04 13:30:34,948 INFO L226 Difference]: Without dead ends: 74 [2025-03-04 13:30:34,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 13:30:34,949 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 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 [2025-03-04 13:30:34,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 13:30:34,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-04 13:30:34,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-03-04 13:30:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 57 states have internal predecessors, (66), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-04 13:30:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 98 transitions. [2025-03-04 13:30:34,954 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 98 transitions. Word has length 23 [2025-03-04 13:30:34,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:30:34,955 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 98 transitions. [2025-03-04 13:30:34,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 13:30:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 98 transitions. [2025-03-04 13:30:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-04 13:30:34,955 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:30:34,955 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:30:34,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 13:30:35,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 13:30:35,160 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)] === [2025-03-04 13:30:35,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:30:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1422161868, now seen corresponding path program 1 times [2025-03-04 13:30:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 13:30:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761855331] [2025-03-04 13:30:35,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:30:35,161 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 [2025-03-04 13:30:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 13:30:35,164 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) [2025-03-04 13:30:35,165 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 [2025-03-04 13:30:35,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 13:31:13,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 13:31:13,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:31:13,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:31:13,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 13:31:13,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 13:31:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 13:31:14,102 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 13:31:14,102 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 13:31:14,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761855331] [2025-03-04 13:31:14,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761855331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:31:14,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:31:14,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 13:31:14,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260000614] [2025-03-04 13:31:14,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:31:14,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 13:31:14,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 13:31:14,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 13:31:14,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 13:31:14,103 INFO L87 Difference]: Start difference. First operand 74 states and 98 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 13:31:18,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-04 13:31:22,389 WARN L539 Checker$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] [2025-03-04 13:31:26,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-04 13:31:30,396 WARN L539 Checker$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] [2025-03-04 13:31:34,398 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] [2025-03-04 13:31:34,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:31:34,445 INFO L93 Difference]: Finished difference Result 76 states and 101 transitions. [2025-03-04 13:31:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 13:31:34,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-03-04 13:31:34,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:31:34,447 INFO L225 Difference]: With dead ends: 76 [2025-03-04 13:31:34,447 INFO L226 Difference]: Without dead ends: 75 [2025-03-04 13:31:34,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 13:31:34,449 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 10 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2025-03-04 13:31:34,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 337 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time] [2025-03-04 13:31:34,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-04 13:31:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2025-03-04 13:31:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 56 states have internal predecessors, (65), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-04 13:31:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2025-03-04 13:31:34,454 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 24 [2025-03-04 13:31:34,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:31:34,454 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2025-03-04 13:31:34,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 13:31:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2025-03-04 13:31:34,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-04 13:31:34,457 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:31:34,457 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:31:34,464 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 (5)] Ended with exit code 0 [2025-03-04 13:31:34,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2025-03-04 13:31:34,658 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)] === [2025-03-04 13:31:34,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:31:34,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1137344910, now seen corresponding path program 1 times [2025-03-04 13:31:34,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 13:31:34,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596775225] [2025-03-04 13:31:34,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:31:34,659 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 [2025-03-04 13:31:34,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 13:31:34,660 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2025-03-04 13:31:34,661 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 (6)] Waiting until timeout for monitored process [2025-03-04 13:31:34,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes.