./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_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 62d07eedee42801f5dbd001dae9b753770fadc5a2ea8a4e9e75dfe75d97ffc89 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 03:52:26,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 03:52:26,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 03:52:26,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 03:52:26,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 03:52:26,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 03:52:26,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 03:52:26,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 03:52:26,355 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 03:52:26,355 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 03:52:26,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 03:52:26,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 03:52:26,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 03:52:26,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 03:52:26,357 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 03:52:26,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 03:52:26,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 03:52:26,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 03:52:26,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 03:52:26,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 03:52:26,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 03:52:26,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 03:52:26,358 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 03:52:26,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 03:52:26,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 03:52:26,358 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 03:52:26,359 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 03:52:26,359 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 03:52:26,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 03:52:26,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 03:52:26,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 03:52:26,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:52:26,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 03:52:26,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 03:52:26,360 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 03:52:26,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 03:52:26,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 03:52:26,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 03:52:26,360 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 03:52:26,360 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 03:52:26,360 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 03:52:26,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 03:52:26,360 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 -> 62d07eedee42801f5dbd001dae9b753770fadc5a2ea8a4e9e75dfe75d97ffc89 [2025-03-09 03:52:26,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 03:52:26,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 03:52:26,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 03:52:26,609 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 03:52:26,609 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 03:52:26,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i [2025-03-09 03:52:27,768 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb06bab38/04c7158529dc4c2d8102afd4c7f71b42/FLAGddce96c19 [2025-03-09 03:52:28,175 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 03:52:28,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i [2025-03-09 03:52:28,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb06bab38/04c7158529dc4c2d8102afd4c7f71b42/FLAGddce96c19 [2025-03-09 03:52:28,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb06bab38/04c7158529dc4c2d8102afd4c7f71b42 [2025-03-09 03:52:28,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 03:52:28,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 03:52:28,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 03:52:28,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 03:52:28,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 03:52:28,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:52:28" (1/1) ... [2025-03-09 03:52:28,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fdf414e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:28, skipping insertion in model container [2025-03-09 03:52:28,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:52:28" (1/1) ... [2025-03-09 03:52:28,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 03:52:29,120 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.handleLoopBody(CHandler.java:3684) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-09 03:52:29,125 INFO L158 Benchmark]: Toolchain (without parser) took 903.77ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 83.6MB in the end (delta: 24.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 03:52:29,125 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 03:52:29,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 901.50ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 83.6MB in the end (delta: 24.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 03:52:29,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 901.50ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 83.6MB in the end (delta: 24.4MB). 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_fgets_square_17_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 62d07eedee42801f5dbd001dae9b753770fadc5a2ea8a4e9e75dfe75d97ffc89 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 03:52:30,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 03:52:31,008 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-03-09 03:52:31,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 03:52:31,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 03:52:31,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-03-09 03:52:31,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 03:52:31,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 03:52:31,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 03:52:31,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 03:52:31,030 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 03:52:31,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 03:52:31,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 03:52:31,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 03:52:31,031 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 03:52:31,032 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:52:31,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 03:52:31,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 03:52:31,033 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-09 03:52:31,033 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-09 03:52:31,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 03:52:31,033 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 03:52:31,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 03:52:31,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 03:52:31,033 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 -> 62d07eedee42801f5dbd001dae9b753770fadc5a2ea8a4e9e75dfe75d97ffc89 [2025-03-09 03:52:31,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 03:52:31,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 03:52:31,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 03:52:31,276 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 03:52:31,277 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 03:52:31,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i [2025-03-09 03:52:32,443 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c006ff769/dc635a7fbeb6443eafb228fe7080d151/FLAGf7b096982 [2025-03-09 03:52:32,771 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 03:52:32,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i [2025-03-09 03:52:32,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c006ff769/dc635a7fbeb6443eafb228fe7080d151/FLAGf7b096982 [2025-03-09 03:52:32,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c006ff769/dc635a7fbeb6443eafb228fe7080d151 [2025-03-09 03:52:32,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 03:52:32,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 03:52:32,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 03:52:32,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 03:52:32,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 03:52:32,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:52:32" (1/1) ... [2025-03-09 03:52:32,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766b83b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:32, skipping insertion in model container [2025-03-09 03:52:32,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:52:32" (1/1) ... [2025-03-09 03:52:32,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 03:52:33,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 03:52:33,843 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 03:52:33,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 03:52:34,146 INFO L204 MainTranslator]: Completed translation [2025-03-09 03:52:34,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34 WrapperNode [2025-03-09 03:52:34,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 03:52:34,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 03:52:34,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 03:52:34,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 03:52:34,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,204 INFO L138 Inliner]: procedures = 943, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2025-03-09 03:52:34,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 03:52:34,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 03:52:34,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 03:52:34,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 03:52:34,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,214 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,235 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2025-03-09 03:52:34,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,248 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 03:52:34,255 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 03:52:34,259 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 03:52:34,260 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 03:52:34,260 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (1/1) ... [2025-03-09 03:52:34,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:52:34,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:52:34,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 03:52:34,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 03:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-09 03:52:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-09 03:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 03:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 03:52:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 03:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-09 03:52:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-09 03:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-09 03:52:34,445 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 03:52:34,447 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 03:52:36,597 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2025-03-09 03:52:36,597 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 03:52:36,603 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 03:52:36,604 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 03:52:36,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:52:36 BoogieIcfgContainer [2025-03-09 03:52:36,604 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 03:52:36,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 03:52:36,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 03:52:36,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 03:52:36,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 03:52:32" (1/3) ... [2025-03-09 03:52:36,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed62d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:52:36, skipping insertion in model container [2025-03-09 03:52:36,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:52:34" (2/3) ... [2025-03-09 03:52:36,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed62d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:52:36, skipping insertion in model container [2025-03-09 03:52:36,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:52:36" (3/3) ... [2025-03-09 03:52:36,614 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_17_good.i [2025-03-09 03:52:36,624 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 03:52:36,625 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_17_good.i that has 3 procedures, 60 locations, 1 initial locations, 4 loop locations, and 13 error locations. [2025-03-09 03:52:36,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 03:52:36,668 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;@56ec7adf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 03:52:36,668 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-09 03:52:36,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 53 states have internal predecessors, (59), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 03:52:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-09 03:52:36,677 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:52:36,677 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:52:36,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 03:52:36,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:52:36,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1393962758, now seen corresponding path program 1 times [2025-03-09 03:52:36,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:52:36,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [824252147] [2025-03-09 03:52:36,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:52:36,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:36,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:52:36,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 03:52:36,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 03:52:36,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 03:52:36,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 03:52:36,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:52:36,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:52:36,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 03:52:36,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:52:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:52:36,849 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:52:36,850 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:52:36,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824252147] [2025-03-09 03:52:36,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824252147] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:52:36,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:52:36,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 03:52:36,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582304352] [2025-03-09 03:52:36,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:52:36,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 03:52:36,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:52:36,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 03:52:36,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 03:52:36,872 INFO L87 Difference]: Start difference. First operand has 60 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 53 states have internal predecessors, (59), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:52:40,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 03:52:44,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 03:52:48,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 03:52:49,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:52:49,532 INFO L93 Difference]: Finished difference Result 120 states and 151 transitions. [2025-03-09 03:52:49,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 03:52:49,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-03-09 03:52:49,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:52:49,538 INFO L225 Difference]: With dead ends: 120 [2025-03-09 03:52:49,538 INFO L226 Difference]: Without dead ends: 64 [2025-03-09 03:52:49,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 03:52:49,545 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 20 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2025-03-09 03:52:49,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 167 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2025-03-09 03:52:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-03-09 03:52:49,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2025-03-09 03:52:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 53 states have internal predecessors, (65), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-09 03:52:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2025-03-09 03:52:49,581 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 79 transitions. Word has length 12 [2025-03-09 03:52:49,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:52:49,581 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 79 transitions. [2025-03-09 03:52:49,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:52:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2025-03-09 03:52:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 03:52:49,582 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:52:49,582 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:52:49,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 03:52:49,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:49,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 03:52:49,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:52:49,784 INFO L85 PathProgramCache]: Analyzing trace with hash 271731505, now seen corresponding path program 1 times [2025-03-09 03:52:49,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:52:49,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1339259335] [2025-03-09 03:52:49,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:52:49,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:49,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:52:49,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 03:52:49,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 03:52:49,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 03:52:49,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 03:52:49,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:52:49,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:52:49,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 03:52:49,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:52:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:52:49,904 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:52:49,904 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:52:49,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339259335] [2025-03-09 03:52:49,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339259335] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:52:49,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:52:49,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 03:52:49,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622298893] [2025-03-09 03:52:49,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:52:49,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 03:52:49,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:52:49,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 03:52:49,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 03:52:49,908 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:52:49,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:52:49,969 INFO L93 Difference]: Finished difference Result 108 states and 135 transitions. [2025-03-09 03:52:49,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 03:52:49,970 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-03-09 03:52:49,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:52:49,971 INFO L225 Difference]: With dead ends: 108 [2025-03-09 03:52:49,972 INFO L226 Difference]: Without dead ends: 70 [2025-03-09 03:52:49,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 03:52:49,974 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 1 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 03:52:49,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 156 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 03:52:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2025-03-09 03:52:49,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2025-03-09 03:52:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 61 states have internal predecessors, (74), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 03:52:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2025-03-09 03:52:49,982 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 13 [2025-03-09 03:52:49,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:52:49,982 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2025-03-09 03:52:49,983 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:52:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2025-03-09 03:52:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-09 03:52:49,983 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:52:49,983 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:52:49,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 03:52:50,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:50,188 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 03:52:50,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:52:50,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1890393823, now seen corresponding path program 1 times [2025-03-09 03:52:50,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:52:50,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [170585099] [2025-03-09 03:52:50,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:52:50,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:50,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:52:50,192 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) [2025-03-09 03:52:50,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 03:52:50,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 03:52:50,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 03:52:50,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:52:50,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:52:50,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 03:52:50,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:52:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 03:52:50,300 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:52:50,300 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:52:50,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170585099] [2025-03-09 03:52:50,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170585099] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:52:50,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:52:50,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 03:52:50,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951801808] [2025-03-09 03:52:50,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:52:50,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 03:52:50,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:52:50,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 03:52:50,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 03:52:50,302 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:52:50,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:52:50,324 INFO L93 Difference]: Finished difference Result 107 states and 132 transitions. [2025-03-09 03:52:50,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 03:52:50,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2025-03-09 03:52:50,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:52:50,325 INFO L225 Difference]: With dead ends: 107 [2025-03-09 03:52:50,325 INFO L226 Difference]: Without dead ends: 70 [2025-03-09 03:52:50,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 03:52:50,326 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 03:52:50,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 03:52:50,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2025-03-09 03:52:50,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2025-03-09 03:52:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 61 states have internal predecessors, (73), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 03:52:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2025-03-09 03:52:50,334 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 18 [2025-03-09 03:52:50,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:52:50,334 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2025-03-09 03:52:50,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:52:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2025-03-09 03:52:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-09 03:52:50,335 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:52:50,335 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:52:50,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 03:52:50,536 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 [2025-03-09 03:52:50,536 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 03:52:50,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:52:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1881835734, now seen corresponding path program 1 times [2025-03-09 03:52:50,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:52:50,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657330724] [2025-03-09 03:52:50,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:52:50,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:50,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:52:50,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 03:52:50,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 03:52:50,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 03:52:50,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 03:52:50,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:52:50,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:52:50,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 03:52:50,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:52:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:52:50,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 03:52:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:52:50,733 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:52:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657330724] [2025-03-09 03:52:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657330724] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 03:52:50,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 03:52:50,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-09 03:52:50,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031995891] [2025-03-09 03:52:50,734 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 03:52:50,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 03:52:50,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:52:50,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 03:52:50,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 03:52:50,735 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:52:50,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:52:50,799 INFO L93 Difference]: Finished difference Result 116 states and 146 transitions. [2025-03-09 03:52:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 03:52:50,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2025-03-09 03:52:50,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:52:50,801 INFO L225 Difference]: With dead ends: 116 [2025-03-09 03:52:50,801 INFO L226 Difference]: Without dead ends: 59 [2025-03-09 03:52:50,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 03:52:50,802 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 03:52:50,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 294 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 03:52:50,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-09 03:52:50,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-03-09 03:52:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 51 states have internal predecessors, (59), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 03:52:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2025-03-09 03:52:50,812 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 18 [2025-03-09 03:52:50,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:52:50,812 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2025-03-09 03:52:50,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:52:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2025-03-09 03:52:50,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-09 03:52:50,813 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:52:50,813 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:52:50,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 03:52:51,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:52:51,018 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 03:52:51,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:52:51,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1527306795, now seen corresponding path program 1 times [2025-03-09 03:52:51,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:52:51,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492766924] [2025-03-09 03:52:51,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:52:51,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-09 03:52:51,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 03:52:51,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-09 03:52:51,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-03-09 03:52:51,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 03:53:39,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 03:53:39,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:53:39,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:53:39,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 03:53:39,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:53:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 03:53:39,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:53:39,621 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:53:39,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492766924] [2025-03-09 03:53:39,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492766924] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:53:39,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:53:39,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 03:53:39,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372947669] [2025-03-09 03:53:39,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:53:39,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 03:53:39,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:53:39,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 03:53:39,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-09 03:53:39,622 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:53:43,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 03:53:47,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 03:53:51,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 03:53:55,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 03:53:59,920 WARN L539 Checker$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] [2025-03-09 03:54:00,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:54:00,226 INFO L93 Difference]: Finished difference Result 106 states and 125 transitions. [2025-03-09 03:54:00,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 03:54:00,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-03-09 03:54:00,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:54:00,227 INFO L225 Difference]: With dead ends: 106 [2025-03-09 03:54:00,227 INFO L226 Difference]: Without dead ends: 69 [2025-03-09 03:54:00,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-09 03:54:00,228 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 25 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2025-03-09 03:54:00,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 194 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2025-03-09 03:54:00,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-03-09 03:54:00,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2025-03-09 03:54:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 03:54:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 79 transitions. [2025-03-09 03:54:00,237 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 79 transitions. Word has length 19 [2025-03-09 03:54:00,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:54:00,237 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 79 transitions. [2025-03-09 03:54:00,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:54:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2025-03-09 03:54:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-09 03:54:00,239 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:54:00,239 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:54:00,247 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 (6)] Ended with exit code 0 [2025-03-09 03:54:00,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-09 03:54:00,439 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 03:54:00,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:54:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1527703048, now seen corresponding path program 1 times [2025-03-09 03:54:00,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:54:00,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1089813506] [2025-03-09 03:54:00,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:54:00,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:54:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:54:00,443 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 03:54:00,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 03:54:00,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 03:54:00,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 03:54:00,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:54:00,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:54:00,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 03:54:00,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:54:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 03:54:00,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:54:00,536 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:54:00,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089813506] [2025-03-09 03:54:00,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089813506] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:54:00,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:54:00,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 03:54:00,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547989948] [2025-03-09 03:54:00,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:54:00,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 03:54:00,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:54:00,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 03:54:00,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 03:54:00,537 INFO L87 Difference]: Start difference. First operand 65 states and 79 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:54:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:54:00,564 INFO L93 Difference]: Finished difference Result 102 states and 124 transitions. [2025-03-09 03:54:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 03:54:00,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-03-09 03:54:00,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:54:00,568 INFO L225 Difference]: With dead ends: 102 [2025-03-09 03:54:00,568 INFO L226 Difference]: Without dead ends: 84 [2025-03-09 03:54:00,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 03:54:00,568 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 10 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 03:54:00,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 103 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 03:54:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-03-09 03:54:00,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2025-03-09 03:54:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 58 states have internal predecessors, (69), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 03:54:00,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 81 transitions. [2025-03-09 03:54:00,579 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 81 transitions. Word has length 19 [2025-03-09 03:54:00,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:54:00,579 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 81 transitions. [2025-03-09 03:54:00,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:54:00,580 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2025-03-09 03:54:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-09 03:54:00,581 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:54:00,581 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:54:00,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 03:54:00,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:54:00,782 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 03:54:00,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:54:00,782 INFO L85 PathProgramCache]: Analyzing trace with hash 101870397, now seen corresponding path program 1 times [2025-03-09 03:54:00,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:54:00,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350883828] [2025-03-09 03:54:00,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:54:00,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-09 03:54:00,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-09 03:54:00,784 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) [2025-03-09 03:54:00,785 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 [2025-03-09 03:54:00,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes.