./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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_65_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 46cb2e463a6c44826bc8239b1f106dc3b9efa906c1aa8cdb5597f62f2a29e461 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 17:49:53,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 17:49:53,174 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 17:49:53,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 17:49:53,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 17:49:53,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 17:49:53,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 17:49:53,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 17:49:53,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 17:49:53,192 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 17:49:53,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 17:49:53,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 17:49:53,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 17:49:53,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 17:49:53,193 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 17:49:53,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 17:49:53,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 17:49:53,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 17:49:53,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 17:49:53,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 17:49:53,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 17:49:53,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 17:49:53,194 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 17:49:53,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:49:53,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 17:49:53,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 17:49:53,195 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 -> 46cb2e463a6c44826bc8239b1f106dc3b9efa906c1aa8cdb5597f62f2a29e461 [2025-03-17 17:49:53,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 17:49:53,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 17:49:53,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 17:49:53,435 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 17:49:53,435 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 17:49:53,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_65_good.i [2025-03-17 17:49:54,634 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e98beef/9f2cc588272a43b295fb35292b4030da/FLAG5909aac90 [2025-03-17 17:49:55,035 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 17:49:55,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_65_good.i [2025-03-17 17:49:55,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e98beef/9f2cc588272a43b295fb35292b4030da/FLAG5909aac90 [2025-03-17 17:49:55,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e98beef/9f2cc588272a43b295fb35292b4030da [2025-03-17 17:49:55,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 17:49:55,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 17:49:55,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 17:49:55,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 17:49:55,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 17:49:55,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:49:55" (1/1) ... [2025-03-17 17:49:55,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be86e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:49:55, skipping insertion in model container [2025-03-17 17:49:55,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:49:55" (1/1) ... [2025-03-17 17:49:55,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 17:49:56,034 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.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-17 17:49:56,039 INFO L158 Benchmark]: Toolchain (without parser) took 829.82ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 93.1MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 17:49:56,039 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 201.3MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:49:56,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.32ms. Allocated memory is still 167.8MB. Free memory was 117.0MB in the beginning and 93.1MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 17:49:56,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 201.3MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.32ms. Allocated memory is still 167.8MB. Free memory was 117.0MB in the beginning and 93.1MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. 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_65_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 46cb2e463a6c44826bc8239b1f106dc3b9efa906c1aa8cdb5597f62f2a29e461 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 17:49:57,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 17:49:57,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-03-17 17:49:57,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 17:49:57,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 17:49:57,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-03-17 17:49:57,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 17:49:57,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 17:49:57,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 17:49:57,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 17:49:57,906 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 17:49:57,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 17:49:57,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 17:49:57,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 17:49:57,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 17:49:57,906 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 17:49:57,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 17:49:57,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 17:49:57,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:49:57,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 17:49:57,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 17:49:57,912 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 17:49:57,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 17:49:57,912 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 17:49:57,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 17:49:57,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 17:49:57,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 17:49:57,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 17:49:57,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 17:49:57,912 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 -> 46cb2e463a6c44826bc8239b1f106dc3b9efa906c1aa8cdb5597f62f2a29e461 [2025-03-17 17:49:58,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 17:49:58,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 17:49:58,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 17:49:58,169 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 17:49:58,170 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 17:49:58,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_65_good.i [2025-03-17 17:49:59,372 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dd1377c/8dbb855c6aa148c09240b0c86672a1fa/FLAG2e84ae756 [2025-03-17 17:49:59,644 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 17:49:59,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_65_good.i [2025-03-17 17:49:59,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dd1377c/8dbb855c6aa148c09240b0c86672a1fa/FLAG2e84ae756 [2025-03-17 17:49:59,915 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dd1377c/8dbb855c6aa148c09240b0c86672a1fa [2025-03-17 17:49:59,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 17:49:59,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 17:49:59,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 17:49:59,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 17:49:59,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 17:49:59,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:49:59" (1/1) ... [2025-03-17 17:49:59,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c399bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:49:59, skipping insertion in model container [2025-03-17 17:49:59,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:49:59" (1/1) ... [2025-03-17 17:49:59,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 17:50:00,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 17:50:00,774 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 17:50:00,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 17:50:01,010 INFO L204 MainTranslator]: Completed translation [2025-03-17 17:50:01,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01 WrapperNode [2025-03-17 17:50:01,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 17:50:01,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 17:50:01,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 17:50:01,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 17:50:01,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,049 INFO L138 Inliner]: procedures = 945, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 79 [2025-03-17 17:50:01,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 17:50:01,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 17:50:01,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 17:50:01,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 17:50:01,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,064 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,071 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-17 17:50:01,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 17:50:01,082 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 17:50:01,082 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 17:50:01,082 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 17:50:01,083 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (1/1) ... [2025-03-17 17:50:01,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:50:01,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:50:01,108 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) [2025-03-17 17:50:01,109 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 [2025-03-17 17:50:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-17 17:50:01,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-17 17:50:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 17:50:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 17:50:01,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 17:50:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-17 17:50:01,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-17 17:50:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2025-03-17 17:50:01,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2025-03-17 17:50:01,229 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 17:50:01,231 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 17:50:03,871 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2025-03-17 17:50:03,871 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 17:50:03,879 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 17:50:03,880 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 17:50:03,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:50:03 BoogieIcfgContainer [2025-03-17 17:50:03,880 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 17:50:03,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 17:50:03,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 17:50:03,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 17:50:03,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 05:49:59" (1/3) ... [2025-03-17 17:50:03,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da5c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 05:50:03, skipping insertion in model container [2025-03-17 17:50:03,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:50:01" (2/3) ... [2025-03-17 17:50:03,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da5c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 05:50:03, skipping insertion in model container [2025-03-17 17:50:03,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:50:03" (3/3) ... [2025-03-17 17:50:03,888 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_65_good.i [2025-03-17 17:50:03,898 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 17:50:03,899 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_square_65_good.i that has 4 procedures, 42 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-17 17:50:03,937 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 17:50:03,946 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;@13edd4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 17:50:03,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-17 17:50:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-17 17:50:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 17:50:03,955 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:50:03,956 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:50:03,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~C_INT~TO~VOIDErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-17 17:50:03,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:50:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash -899193126, now seen corresponding path program 1 times [2025-03-17 17:50:03,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 17:50:03,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565980302] [2025-03-17 17:50:03,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:50:03,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:50:03,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:50:03,971 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) [2025-03-17 17:50:03,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 17:50:04,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 17:50:04,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 17:50:04,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:50:04,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:50:04,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 17:50:04,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:50:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:50:04,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:50:04,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 17:50:04,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565980302] [2025-03-17 17:50:04,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565980302] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:50:04,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:50:04,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 17:50:04,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782376237] [2025-03-17 17:50:04,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:50:04,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 17:50:04,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 17:50:04,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 17:50:04,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 17:50:04,189 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:50:05,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 17:50:05,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:50:05,796 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2025-03-17 17:50:05,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 17:50:05,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-03-17 17:50:05,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:50:05,806 INFO L225 Difference]: With dead ends: 64 [2025-03-17 17:50:05,806 INFO L226 Difference]: Without dead ends: 49 [2025-03-17 17:50:05,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 17:50:05,809 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 20 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-17 17:50:05,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 217 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-17 17:50:05,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-17 17:50:05,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2025-03-17 17:50:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.40625) internal successors, (45), 37 states have internal predecessors, (45), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 17:50:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2025-03-17 17:50:05,836 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 11 [2025-03-17 17:50:05,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:50:05,838 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2025-03-17 17:50:05,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:50:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2025-03-17 17:50:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 17:50:05,839 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:50:05,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:50:05,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 17:50:06,040 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 [2025-03-17 17:50:06,040 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-17 17:50:06,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:50:06,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2105190075, now seen corresponding path program 1 times [2025-03-17 17:50:06,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 17:50:06,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212143020] [2025-03-17 17:50:06,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:50:06,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:50:06,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:50:06,044 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) [2025-03-17 17:50:06,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 17:50:06,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 17:50:06,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 17:50:06,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:50:06,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:50:06,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 17:50:06,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:50:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:50:06,129 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:50:06,129 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 17:50:06,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212143020] [2025-03-17 17:50:06,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212143020] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:50:06,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:50:06,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 17:50:06,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796708701] [2025-03-17 17:50:06,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:50:06,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 17:50:06,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 17:50:06,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 17:50:06,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:50:06,131 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:50:10,208 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 [] [2025-03-17 17:50:14,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 17:50:18,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 17:50:18,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:50:18,992 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2025-03-17 17:50:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 17:50:18,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-03-17 17:50:18,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:50:18,994 INFO L225 Difference]: With dead ends: 50 [2025-03-17 17:50:18,994 INFO L226 Difference]: Without dead ends: 49 [2025-03-17 17:50:18,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:50:18,994 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 5 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2025-03-17 17:50:18,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 103 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2025-03-17 17:50:18,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-17 17:50:19,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2025-03-17 17:50:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.34375) internal successors, (43), 36 states have internal predecessors, (43), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 17:50:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2025-03-17 17:50:19,001 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 12 [2025-03-17 17:50:19,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:50:19,001 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2025-03-17 17:50:19,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:50:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2025-03-17 17:50:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 17:50:19,001 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:50:19,001 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:50:19,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 17:50:19,202 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 [2025-03-17 17:50:19,202 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-17 17:50:19,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:50:19,203 INFO L85 PathProgramCache]: Analyzing trace with hash -836382023, now seen corresponding path program 1 times [2025-03-17 17:50:19,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 17:50:19,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747607273] [2025-03-17 17:50:19,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:50:19,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:50:19,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:50:19,205 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) [2025-03-17 17:50:19,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 17:50:19,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 17:50:19,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 17:50:19,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:50:19,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:50:19,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:50:19,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:50:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:50:19,280 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:50:19,280 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 17:50:19,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747607273] [2025-03-17 17:50:19,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747607273] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:50:19,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:50:19,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 17:50:19,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658674406] [2025-03-17 17:50:19,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:50:19,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:50:19,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 17:50:19,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:50:19,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:50:19,282 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:50:19,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:50:19,301 INFO L93 Difference]: Finished difference Result 74 states and 87 transitions. [2025-03-17 17:50:19,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:50:19,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-03-17 17:50:19,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:50:19,302 INFO L225 Difference]: With dead ends: 74 [2025-03-17 17:50:19,302 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 17:50:19,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:50:19,303 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:50:19,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:50:19,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 17:50:19,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 17:50:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.303030303030303) internal successors, (43), 37 states have internal predecessors, (43), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 17:50:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2025-03-17 17:50:19,309 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 13 [2025-03-17 17:50:19,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:50:19,309 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2025-03-17 17:50:19,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:50:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2025-03-17 17:50:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 17:50:19,310 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:50:19,311 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:50:19,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 17:50:19,511 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 [2025-03-17 17:50:19,511 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-17 17:50:19,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:50:19,512 INFO L85 PathProgramCache]: Analyzing trace with hash -158065789, now seen corresponding path program 1 times [2025-03-17 17:50:19,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 17:50:19,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655327058] [2025-03-17 17:50:19,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:50:19,512 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 [2025-03-17 17:50:19,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 17:50:19,515 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) [2025-03-17 17:50:19,515 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 [2025-03-17 17:50:19,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 17:50:19,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 17:50:19,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:50:19,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:50:19,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 17:50:19,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:50:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:50:19,599 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:50:19,599 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 17:50:19,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655327058] [2025-03-17 17:50:19,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655327058] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:50:19,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:50:19,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 17:50:19,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959335502] [2025-03-17 17:50:19,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:50:19,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 17:50:19,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 17:50:19,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 17:50:19,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:50:19,600 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:50:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:50:19,620 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2025-03-17 17:50:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 17:50:19,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-03-17 17:50:19,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:50:19,621 INFO L225 Difference]: With dead ends: 72 [2025-03-17 17:50:19,621 INFO L226 Difference]: Without dead ends: 36 [2025-03-17 17:50:19,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:50:19,622 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:50:19,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 83 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:50:19,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-03-17 17:50:19,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-03-17 17:50:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.2) internal successors, (30), 28 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 17:50:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2025-03-17 17:50:19,626 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 14 [2025-03-17 17:50:19,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:50:19,626 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2025-03-17 17:50:19,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:50:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2025-03-17 17:50:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 17:50:19,626 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:50:19,626 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:50:19,633 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 [2025-03-17 17:50:19,830 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 [2025-03-17 17:50:19,831 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~C_INT~TO~VOIDErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-17 17:50:19,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:50:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash 740135754, now seen corresponding path program 1 times [2025-03-17 17:50:19,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 17:50:19,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138123777] [2025-03-17 17:50:19,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:50:19,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:50:19,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:50:19,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 17:50:19,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 17:50:19,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 17:50:19,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 17:50:19,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:50:19,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:50:19,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 17:50:19,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:50:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:50:19,986 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:50:19,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 17:50:19,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138123777] [2025-03-17 17:50:19,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138123777] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:50:19,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:50:19,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 17:50:19,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379456815] [2025-03-17 17:50:19,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:50:19,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 17:50:19,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 17:50:19,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 17:50:19,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:50:19,990 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:50:20,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:50:20,003 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2025-03-17 17:50:20,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 17:50:20,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-03-17 17:50:20,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:50:20,004 INFO L225 Difference]: With dead ends: 36 [2025-03-17 17:50:20,004 INFO L226 Difference]: Without dead ends: 32 [2025-03-17 17:50:20,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:50:20,005 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:50:20,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 79 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:50:20,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-03-17 17:50:20,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2025-03-17 17:50:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 17:50:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2025-03-17 17:50:20,008 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 26 [2025-03-17 17:50:20,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:50:20,008 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2025-03-17 17:50:20,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:50:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2025-03-17 17:50:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 17:50:20,009 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:50:20,009 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:50:20,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 17:50:20,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:50:20,210 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-17 17:50:20,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:50:20,210 INFO L85 PathProgramCache]: Analyzing trace with hash -984524525, now seen corresponding path program 1 times [2025-03-17 17:50:20,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 17:50:20,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403949349] [2025-03-17 17:50:20,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:50:20,211 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 [2025-03-17 17:50:20,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 17:50:20,213 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2025-03-17 17:50:20,214 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 (7)] Waiting until timeout for monitored process [2025-03-17 17:50:20,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 17:51:02,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 17:51:02,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:51:02,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:51:02,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 17:51:02,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:51:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 17:51:03,035 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:51:03,036 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 17:51:03,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403949349] [2025-03-17 17:51:03,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403949349] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:51:03,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:51:03,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 17:51:03,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568979381] [2025-03-17 17:51:03,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:51:03,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 17:51:03,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 17:51:03,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 17:51:03,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 17:51:03,037 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:51:07,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 17:51:11,222 WARN L539 Checker$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] [2025-03-17 17:51:15,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 17:51:19,235 WARN L539 Checker$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] [2025-03-17 17:51:23,237 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] [2025-03-17 17:51:23,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:51:23,238 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2025-03-17 17:51:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 17:51:23,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2025-03-17 17:51:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:51:23,242 INFO L225 Difference]: With dead ends: 32 [2025-03-17 17:51:23,242 INFO L226 Difference]: Without dead ends: 31 [2025-03-17 17:51:23,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 17:51:23,243 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2025-03-17 17:51:23,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 126 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2025-03-17 17:51:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-03-17 17:51:23,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2025-03-17 17:51:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 17:51:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2025-03-17 17:51:23,247 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 29 [2025-03-17 17:51:23,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:51:23,248 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2025-03-17 17:51:23,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:51:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2025-03-17 17:51:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 17:51:23,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:51:23,248 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:51:23,259 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 (7)] Ended with exit code 0 [2025-03-17 17:51:23,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2025-03-17 17:51:23,449 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-17 17:51:23,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:51:23,449 INFO L85 PathProgramCache]: Analyzing trace with hash -455489211, now seen corresponding path program 1 times [2025-03-17 17:51:23,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 17:51:23,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587122405] [2025-03-17 17:51:23,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:51:23,450 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 [2025-03-17 17:51:23,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 17:51:23,451 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2025-03-17 17:51:23,452 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 (8)] Waiting until timeout for monitored process [2025-03-17 17:51:23,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes.