./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_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 6b7d4740bb7c10a6cd0bf4d4c6a04b71b5aa0257518eda77a14c2fa66f59a003 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 21:49:29,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 21:49:29,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 21:49:29,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 21:49:29,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 21:49:29,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 21:49:29,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 21:49:29,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 21:49:29,143 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 21:49:29,144 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 21:49:29,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 21:49:29,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 21:49:29,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 21:49:29,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 21:49:29,146 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 21:49:29,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 21:49:29,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 21:49:29,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 21:49:29,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 21:49:29,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 21:49:29,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 21:49:29,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 21:49:29,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 21:49:29,153 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 21:49:29,154 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 21:49:29,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 21:49:29,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 21:49:29,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 21:49:29,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 21:49:29,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 21:49:29,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 21:49:29,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:49:29,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 21:49:29,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 21:49:29,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 21:49:29,157 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 21:49:29,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 21:49:29,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 21:49:29,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 21:49:29,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 21:49:29,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 21:49:29,160 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b7d4740bb7c10a6cd0bf4d4c6a04b71b5aa0257518eda77a14c2fa66f59a003 [2024-10-24 21:49:29,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 21:49:29,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 21:49:29,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 21:49:29,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 21:49:29,462 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 21:49:29,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-10-24 21:49:30,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 21:49:31,291 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 21:49:31,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-10-24 21:49:31,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba113fb6/f16db26c5e4549b3bddd117d87846ade/FLAGd35f51299 [2024-10-24 21:49:31,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba113fb6/f16db26c5e4549b3bddd117d87846ade [2024-10-24 21:49:31,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 21:49:31,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 21:49:31,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 21:49:31,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 21:49:31,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 21:49:31,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:31" (1/1) ... [2024-10-24 21:49:31,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611cc2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:31, skipping insertion in model container [2024-10-24 21:49:31,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:31" (1/1) ... [2024-10-24 21:49:31,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 21:49:32,655 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2969) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1587) 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:1010) 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:790) 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:790) 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:1737) 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:1151) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1134) 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:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1614) 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:3460) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2485) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:640) 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) [2024-10-24 21:49:32,661 INFO L158 Benchmark]: Toolchain (without parser) took 1313.47ms. Allocated memory is still 176.2MB. Free memory was 120.8MB in the beginning and 93.9MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-24 21:49:32,661 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 176.2MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:49:32,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.22ms. Allocated memory is still 176.2MB. Free memory was 120.8MB in the beginning and 94.7MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-24 21:49:32,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 176.2MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.22ms. Allocated memory is still 176.2MB. Free memory was 120.8MB in the beginning and 94.7MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. 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:627) 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/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_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 6b7d4740bb7c10a6cd0bf4d4c6a04b71b5aa0257518eda77a14c2fa66f59a003 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 21:49:34,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 21:49:34,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 21:49:34,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 21:49:34,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 21:49:34,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 21:49:34,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 21:49:34,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 21:49:34,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 21:49:34,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 21:49:34,907 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 21:49:34,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 21:49:34,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 21:49:34,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 21:49:34,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 21:49:34,909 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 21:49:34,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 21:49:34,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 21:49:34,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 21:49:34,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 21:49:34,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 21:49:34,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 21:49:34,915 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 21:49:34,916 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 21:49:34,916 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 21:49:34,916 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 21:49:34,916 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 21:49:34,917 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 21:49:34,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 21:49:34,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 21:49:34,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 21:49:34,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 21:49:34,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 21:49:34,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 21:49:34,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:49:34,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 21:49:34,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 21:49:34,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 21:49:34,919 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 21:49:34,919 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 21:49:34,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 21:49:34,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 21:49:34,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 21:49:34,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 21:49:34,921 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 21:49:34,921 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b7d4740bb7c10a6cd0bf4d4c6a04b71b5aa0257518eda77a14c2fa66f59a003 [2024-10-24 21:49:35,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 21:49:35,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 21:49:35,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 21:49:35,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 21:49:35,269 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 21:49:35,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-10-24 21:49:36,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 21:49:37,201 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 21:49:37,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-10-24 21:49:37,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4fc745c/0f38eb705f8948089640991637cd3135/FLAG1389086a9 [2024-10-24 21:49:37,403 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4fc745c/0f38eb705f8948089640991637cd3135 [2024-10-24 21:49:37,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 21:49:37,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 21:49:37,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 21:49:37,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 21:49:37,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 21:49:37,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:37" (1/1) ... [2024-10-24 21:49:37,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67293fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:37, skipping insertion in model container [2024-10-24 21:49:37,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:37" (1/1) ... [2024-10-24 21:49:37,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 21:49:38,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:49:38,538 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 21:49:38,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:49:38,917 INFO L204 MainTranslator]: Completed translation [2024-10-24 21:49:38,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38 WrapperNode [2024-10-24 21:49:38,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 21:49:38,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 21:49:38,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 21:49:38,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 21:49:38,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:38,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,008 INFO L138 Inliner]: procedures = 946, calls = 32, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 67 [2024-10-24 21:49:39,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 21:49:39,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 21:49:39,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 21:49:39,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 21:49:39,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,050 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 21:49:39,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 21:49:39,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 21:49:39,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 21:49:39,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 21:49:39,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (1/1) ... [2024-10-24 21:49:39,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:49:39,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 21:49:39,132 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) [2024-10-24 21:49:39,138 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 [2024-10-24 21:49:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-24 21:49:39,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-24 21:49:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 21:49:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 21:49:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 21:49:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 21:49:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 21:49:39,326 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 21:49:39,328 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 21:49:41,668 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-24 21:49:41,668 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 21:49:41,702 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 21:49:41,702 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 21:49:41,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:49:41 BoogieIcfgContainer [2024-10-24 21:49:41,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 21:49:41,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 21:49:41,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 21:49:41,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 21:49:41,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:49:37" (1/3) ... [2024-10-24 21:49:41,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaa487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:49:41, skipping insertion in model container [2024-10-24 21:49:41,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:38" (2/3) ... [2024-10-24 21:49:41,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaa487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:49:41, skipping insertion in model container [2024-10-24 21:49:41,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:49:41" (3/3) ... [2024-10-24 21:49:41,713 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_52_good.i [2024-10-24 21:49:41,731 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 21:49:41,732 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-24 21:49:41,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 21:49:41,814 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;@5c8ebdf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 21:49:41,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-24 21:49:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 21:49:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 21:49:41,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:49:41,827 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:49:41,827 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-10-24 21:49:41,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:49:41,832 INFO L85 PathProgramCache]: Analyzing trace with hash 912647567, now seen corresponding path program 1 times [2024-10-24 21:49:41,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:49:41,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749286721] [2024-10-24 21:49:41,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:49:41,848 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 [2024-10-24 21:49:41,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:49:41,851 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2024-10-24 21:49:41,853 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 (2)] Waiting until timeout for monitored process [2024-10-24 21:49:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:49:41,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 21:49:41,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 21:49:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 21:49:42,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 21:49:42,041 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 21:49:42,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749286721] [2024-10-24 21:49:42,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749286721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:49:42,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:49:42,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 21:49:42,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594360873] [2024-10-24 21:49:42,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:49:42,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 21:49:42,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 21:49:42,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 21:49:42,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:49:42,073 INFO L87 Difference]: Start difference. First operand has 31 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 21:49:42,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:49:42,185 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-10-24 21:49:42,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 21:49:42,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2024-10-24 21:49:42,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:49:42,196 INFO L225 Difference]: With dead ends: 31 [2024-10-24 21:49:42,196 INFO L226 Difference]: Without dead ends: 21 [2024-10-24 21:49:42,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:49:42,204 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 21:49:42,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 21:49:42,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-24 21:49:42,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-24 21:49:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 21:49:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-10-24 21:49:42,262 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 8 [2024-10-24 21:49:42,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:49:42,264 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-10-24 21:49:42,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 21:49:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-10-24 21:49:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 21:49:42,265 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:49:42,265 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:49:42,281 INFO L540 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 (2)] Forceful destruction successful, exit code 0 [2024-10-24 21:49:42,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /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 [2024-10-24 21:49:42,466 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-10-24 21:49:42,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:49:42,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1048577318, now seen corresponding path program 1 times [2024-10-24 21:49:42,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:49:42,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358164653] [2024-10-24 21:49:42,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:49:42,469 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 [2024-10-24 21:49:42,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:49:42,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 21:49:42,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 21:49:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:49:42,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 21:49:42,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 21:49:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 21:49:42,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 21:49:42,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 21:49:42,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358164653] [2024-10-24 21:49:42,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358164653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:49:42,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:49:42,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 21:49:42,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528871445] [2024-10-24 21:49:42,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:49:42,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 21:49:42,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 21:49:42,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 21:49:42,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 21:49:42,636 INFO L87 Difference]: Start difference. First operand 21 states and 22 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 21:49:46,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 21:49:50,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 21:49:54,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 21:49:54,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:49:54,802 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-10-24 21:49:54,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 21:49:54,807 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-10-24 21:49:54,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:49:54,807 INFO L225 Difference]: With dead ends: 22 [2024-10-24 21:49:54,807 INFO L226 Difference]: Without dead ends: 21 [2024-10-24 21:49:54,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 21:49:54,809 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-10-24 21:49:54,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2024-10-24 21:49:54,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-24 21:49:54,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-10-24 21:49:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 21:49:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-10-24 21:49:54,814 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2024-10-24 21:49:54,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:49:54,814 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-10-24 21:49:54,815 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 21:49:54,815 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-10-24 21:49:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 21:49:54,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:49:54,816 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:49:54,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 21:49:55,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:49:55,017 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-10-24 21:49:55,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:49:55,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1853845609, now seen corresponding path program 1 times [2024-10-24 21:49:55,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:49:55,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713670457] [2024-10-24 21:49:55,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:49:55,019 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 [2024-10-24 21:49:55,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:49:55,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 21:49:55,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 21:49:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:49:55,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 21:49:55,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 21:49:55,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 21:49:55,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 21:49:55,146 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 21:49:55,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713670457] [2024-10-24 21:49:55,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713670457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:49:55,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:49:55,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 21:49:55,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333183570] [2024-10-24 21:49:55,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:49:55,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 21:49:55,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 21:49:55,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 21:49:55,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:49:55,152 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 21:49:55,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:49:55,180 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2024-10-24 21:49:55,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 21:49:55,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-10-24 21:49:55,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:49:55,182 INFO L225 Difference]: With dead ends: 25 [2024-10-24 21:49:55,183 INFO L226 Difference]: Without dead ends: 20 [2024-10-24 21:49:55,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:49:55,184 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:49:55,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:49:55,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-10-24 21:49:55,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-10-24 21:49:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 21:49:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-10-24 21:49:55,189 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 16 [2024-10-24 21:49:55,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:49:55,190 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2024-10-24 21:49:55,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 21:49:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-10-24 21:49:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 21:49:55,193 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:49:55,193 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:49:55,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-24 21:49:55,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:49:55,395 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-10-24 21:49:55,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:49:55,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1634514108, now seen corresponding path program 1 times [2024-10-24 21:49:55,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:49:55,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888535409] [2024-10-24 21:49:55,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:49:55,396 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 [2024-10-24 21:49:55,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:49:55,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 21:49:55,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-24 21:50:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:50:58,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 21:50:58,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 21:50:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 21:50:59,154 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 21:50:59,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 21:50:59,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888535409] [2024-10-24 21:50:59,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888535409] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:50:59,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:50:59,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 21:50:59,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403683240] [2024-10-24 21:50:59,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:50:59,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 21:50:59,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 21:50:59,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 21:50:59,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 21:50:59,158 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 21:51:03,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-24 21:51:07,432 WARN L539 Checker$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] [2024-10-24 21:51:11,437 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]