./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbfc84775d165ba071925cc295d45b37e6e48fdc14a38c03379a9274950a3653 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 00:48:48,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 00:48:48,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 00:48:48,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 00:48:48,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 00:48:48,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 00:48:48,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 00:48:48,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 00:48:48,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 00:48:48,402 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 00:48:48,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 00:48:48,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 00:48:48,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 00:48:48,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 00:48:48,403 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 00:48:48,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 00:48:48,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 00:48:48,403 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 00:48:48,404 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 00:48:48,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 00:48:48,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 00:48:48,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 00:48:48,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 00:48:48,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 00:48:48,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 00:48:48,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 00:48:48,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 00:48:48,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 00:48:48,406 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-jdk21/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 ! call(reach_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbfc84775d165ba071925cc295d45b37e6e48fdc14a38c03379a9274950a3653 [2025-01-09 00:48:48,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 00:48:48,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 00:48:48,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 00:48:48,626 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 00:48:48,627 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 00:48:48,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2025-01-09 00:48:49,756 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb51a6853/8779c9d246094bfd999d04747ddb992d/FLAG32a095239 [2025-01-09 00:48:50,066 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 00:48:50,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2025-01-09 00:48:50,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb51a6853/8779c9d246094bfd999d04747ddb992d/FLAG32a095239 [2025-01-09 00:48:50,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb51a6853/8779c9d246094bfd999d04747ddb992d [2025-01-09 00:48:50,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 00:48:50,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 00:48:50,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 00:48:50,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 00:48:50,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 00:48:50,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:48:50" (1/1) ... [2025-01-09 00:48:50,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7a3495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:50, skipping insertion in model container [2025-01-09 00:48:50,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:48:50" (1/1) ... [2025-01-09 00:48:50,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 00:48:50,754 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: fesetround not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:738) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBuiltinFesetround(StandardFunctionHandler.java:2800) 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:1548) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-01-09 00:48:50,759 INFO L158 Benchmark]: Toolchain (without parser) took 426.55ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 108.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 00:48:50,759 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 00:48:50,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.77ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 108.8MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 00:48:50,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.77ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 108.8MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: fesetround not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: fesetround not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:738) 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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbfc84775d165ba071925cc295d45b37e6e48fdc14a38c03379a9274950a3653 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 00:48:52,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 00:48:52,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 00:48:52,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 00:48:52,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 00:48:52,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 00:48:52,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 00:48:52,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 00:48:52,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 00:48:52,699 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 00:48:52,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 00:48:52,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 00:48:52,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 00:48:52,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 00:48:52,700 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 00:48:52,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 00:48:52,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 00:48:52,700 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 00:48:52,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 00:48:52,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 00:48:52,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 00:48:52,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 00:48:52,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 00:48:52,701 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 00:48:52,701 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 00:48:52,701 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 00:48:52,701 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 00:48:52,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 00:48:52,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 00:48:52,702 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 00:48:52,702 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 00:48:52,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 00:48:52,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 00:48:52,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 00:48:52,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 00:48:52,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 00:48:52,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 00:48:52,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 00:48:52,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 00:48:52,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 00:48:52,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 00:48:52,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 00:48:52,704 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-jdk21/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 ! call(reach_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbfc84775d165ba071925cc295d45b37e6e48fdc14a38c03379a9274950a3653 [2025-01-09 00:48:52,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 00:48:52,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 00:48:52,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 00:48:52,971 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 00:48:52,971 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 00:48:52,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2025-01-09 00:48:54,156 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/110ad22f2/25843e771e1c40d5a6f44bb921ce15df/FLAG3d250a3b0 [2025-01-09 00:48:54,400 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 00:48:54,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2025-01-09 00:48:54,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/110ad22f2/25843e771e1c40d5a6f44bb921ce15df/FLAG3d250a3b0 [2025-01-09 00:48:54,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/110ad22f2/25843e771e1c40d5a6f44bb921ce15df [2025-01-09 00:48:54,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 00:48:54,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 00:48:54,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 00:48:54,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 00:48:54,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 00:48:54,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:54,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6ed732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54, skipping insertion in model container [2025-01-09 00:48:54,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:54,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 00:48:54,784 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42829,42842] [2025-01-09 00:48:54,789 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42946,42959] [2025-01-09 00:48:54,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 00:48:54,808 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 00:48:54,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma STDC FENV_ACCESS OFF [1095] [2025-01-09 00:48:54,851 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42829,42842] [2025-01-09 00:48:54,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42946,42959] [2025-01-09 00:48:54,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 00:48:54,949 INFO L204 MainTranslator]: Completed translation [2025-01-09 00:48:54,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54 WrapperNode [2025-01-09 00:48:54,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 00:48:54,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 00:48:54,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 00:48:54,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 00:48:54,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:54,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:54,997 INFO L138 Inliner]: procedures = 461, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2025-01-09 00:48:54,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 00:48:54,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 00:48:54,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 00:48:54,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 00:48:55,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,007 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,023 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 00:48:55,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 00:48:55,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 00:48:55,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 00:48:55,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 00:48:55,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (1/1) ... [2025-01-09 00:48:55,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 00:48:55,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 00:48:55,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 00:48:55,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 00:48:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 00:48:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure roundingTest [2025-01-09 00:48:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure roundingTest [2025-01-09 00:48:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 00:48:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 00:48:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 00:48:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 00:48:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 00:48:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2025-01-09 00:48:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2025-01-09 00:48:55,161 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 00:48:55,162 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 00:48:55,314 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-09 00:48:55,314 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 00:48:55,319 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 00:48:55,320 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 00:48:55,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:48:55 BoogieIcfgContainer [2025-01-09 00:48:55,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 00:48:55,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 00:48:55,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 00:48:55,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 00:48:55,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:48:54" (1/3) ... [2025-01-09 00:48:55,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31fa0aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:48:55, skipping insertion in model container [2025-01-09 00:48:55,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:48:54" (2/3) ... [2025-01-09 00:48:55,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31fa0aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:48:55, skipping insertion in model container [2025-01-09 00:48:55,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:48:55" (3/3) ... [2025-01-09 00:48:55,327 INFO L128 eAbstractionObserver]: Analyzing ICFG float-rounding1.i [2025-01-09 00:48:55,335 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 00:48:55,336 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float-rounding1.i that has 4 procedures, 34 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-01-09 00:48:55,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 00:48:55,372 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;@651bbfe4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 00:48:55,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 00:48:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-09 00:48:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-09 00:48:55,379 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 00:48:55,379 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:48:55,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 00:48:55,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 00:48:55,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1145250574, now seen corresponding path program 1 times [2025-01-09 00:48:55,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 00:48:55,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429989650] [2025-01-09 00:48:55,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 00:48:55,391 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 [2025-01-09 00:48:55,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 00:48:55,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-01-09 00:48:55,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 00:48:55,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-09 00:48:55,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-09 00:48:55,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 00:48:55,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 00:48:55,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 00:48:55,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 00:48:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 00:48:55,487 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 00:48:55,487 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 00:48:55,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429989650] [2025-01-09 00:48:55,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429989650] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 00:48:55,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 00:48:55,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 00:48:55,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437985017] [2025-01-09 00:48:55,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 00:48:55,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 00:48:55,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 00:48:55,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 00:48:55,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 00:48:55,504 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 00:48:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 00:48:55,529 INFO L93 Difference]: Finished difference Result 67 states and 89 transitions. [2025-01-09 00:48:55,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 00:48:55,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-01-09 00:48:55,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 00:48:55,534 INFO L225 Difference]: With dead ends: 67 [2025-01-09 00:48:55,534 INFO L226 Difference]: Without dead ends: 30 [2025-01-09 00:48:55,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 00:48:55,538 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 00:48:55,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 00:48:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-01-09 00:48:55,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2025-01-09 00:48:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-09 00:48:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2025-01-09 00:48:55,558 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 11 [2025-01-09 00:48:55,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 00:48:55,558 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2025-01-09 00:48:55,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 00:48:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2025-01-09 00:48:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-09 00:48:55,559 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 00:48:55,559 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:48:55,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Ended with exit code 0 [2025-01-09 00:48:55,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-01-09 00:48:55,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 00:48:55,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 00:48:55,763 INFO L85 PathProgramCache]: Analyzing trace with hash 184007803, now seen corresponding path program 1 times [2025-01-09 00:48:55,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 00:48:55,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687995549] [2025-01-09 00:48:55,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 00:48:55,764 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 [2025-01-09 00:48:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 00:48:55,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-01-09 00:48:55,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 00:48:55,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-09 00:48:55,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-09 00:48:55,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 00:48:55,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 00:48:55,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 00:48:55,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 00:48:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 00:48:56,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 00:48:56,040 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 00:48:56,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687995549] [2025-01-09 00:48:56,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687995549] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 00:48:56,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 00:48:56,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 00:48:56,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311546778] [2025-01-09 00:48:56,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 00:48:56,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 00:48:56,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 00:48:56,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 00:48:56,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 00:48:56,042 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 00:48:56,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 00:48:56,965 INFO L93 Difference]: Finished difference Result 81 states and 99 transitions. [2025-01-09 00:48:56,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 00:48:56,971 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-01-09 00:48:56,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 00:48:56,976 INFO L225 Difference]: With dead ends: 81 [2025-01-09 00:48:56,976 INFO L226 Difference]: Without dead ends: 75 [2025-01-09 00:48:56,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-01-09 00:48:56,977 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 61 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-09 00:48:56,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 128 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-09 00:48:56,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-01-09 00:48:56,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 63. [2025-01-09 00:48:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 42 states have internal predecessors, (52), 14 states have call successors, (14), 7 states have call predecessors, (14), 6 states have return successors, (20), 13 states have call predecessors, (20), 12 states have call successors, (20) [2025-01-09 00:48:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2025-01-09 00:48:56,998 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 12 [2025-01-09 00:48:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 00:48:56,998 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2025-01-09 00:48:56,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 00:48:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2025-01-09 00:48:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-09 00:48:57,001 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 00:48:57,001 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:48:57,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-01-09 00:48:57,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/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 [2025-01-09 00:48:57,202 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 00:48:57,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 00:48:57,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1415509715, now seen corresponding path program 1 times [2025-01-09 00:48:57,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 00:48:57,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697660983] [2025-01-09 00:48:57,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 00:48:57,204 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 [2025-01-09 00:48:57,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 00:48:57,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/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) [2025-01-09 00:48:57,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-01-09 00:48:57,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-09 00:48:57,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-09 00:48:57,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 00:48:57,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 00:48:57,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 00:48:57,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 00:48:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 00:48:57,303 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 00:48:57,303 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 00:48:57,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697660983] [2025-01-09 00:48:57,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697660983] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 00:48:57,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 00:48:57,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 00:48:57,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158875360] [2025-01-09 00:48:57,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 00:48:57,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 00:48:57,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 00:48:57,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 00:48:57,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 00:48:57,304 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 00:48:57,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 00:48:57,352 INFO L93 Difference]: Finished difference Result 119 states and 161 transitions. [2025-01-09 00:48:57,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 00:48:57,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-01-09 00:48:57,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 00:48:57,354 INFO L225 Difference]: With dead ends: 119 [2025-01-09 00:48:57,354 INFO L226 Difference]: Without dead ends: 59 [2025-01-09 00:48:57,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 00:48:57,355 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 4 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 00:48:57,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 56 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 00:48:57,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-01-09 00:48:57,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-01-09 00:48:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 39 states have internal predecessors, (44), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (13), 11 states have call predecessors, (13), 10 states have call successors, (13) [2025-01-09 00:48:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2025-01-09 00:48:57,377 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 13 [2025-01-09 00:48:57,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 00:48:57,377 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2025-01-09 00:48:57,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 00:48:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2025-01-09 00:48:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-09 00:48:57,377 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 00:48:57,377 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:48:57,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 00:48:57,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/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 [2025-01-09 00:48:57,580 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 00:48:57,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 00:48:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash 332915595, now seen corresponding path program 1 times [2025-01-09 00:48:57,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 00:48:57,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789656101] [2025-01-09 00:48:57,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 00:48:57,583 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 [2025-01-09 00:48:57,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 00:48:57,585 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/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) [2025-01-09 00:48:57,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-01-09 00:48:57,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-09 00:48:57,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-09 00:48:57,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 00:48:57,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 00:48:57,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 00:48:57,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 00:48:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 00:48:57,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 00:48:57,676 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 00:48:57,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789656101] [2025-01-09 00:48:57,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789656101] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 00:48:57,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 00:48:57,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 00:48:57,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678347823] [2025-01-09 00:48:57,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 00:48:57,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 00:48:57,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 00:48:57,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 00:48:57,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 00:48:57,677 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 00:48:57,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 00:48:57,690 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2025-01-09 00:48:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 00:48:57,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-01-09 00:48:57,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 00:48:57,691 INFO L225 Difference]: With dead ends: 96 [2025-01-09 00:48:57,691 INFO L226 Difference]: Without dead ends: 59 [2025-01-09 00:48:57,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 00:48:57,692 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 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 [2025-01-09 00:48:57,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 00:48:57,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-01-09 00:48:57,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-01-09 00:48:57,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.131578947368421) internal successors, (43), 39 states have internal predecessors, (43), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (13), 11 states have call predecessors, (13), 10 states have call successors, (13) [2025-01-09 00:48:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2025-01-09 00:48:57,698 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 20 [2025-01-09 00:48:57,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 00:48:57,699 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2025-01-09 00:48:57,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 00:48:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2025-01-09 00:48:57,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-09 00:48:57,699 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 00:48:57,699 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:48:57,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-01-09 00:48:57,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/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 [2025-01-09 00:48:57,903 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 00:48:57,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 00:48:57,904 INFO L85 PathProgramCache]: Analyzing trace with hash -953275064, now seen corresponding path program 1 times [2025-01-09 00:48:57,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 00:48:57,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100864463] [2025-01-09 00:48:57,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 00:48:57,904 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 [2025-01-09 00:48:57,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 00:48:57,907 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/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) [2025-01-09 00:48:57,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 00:48:57,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-09 00:48:57,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-09 00:48:57,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 00:48:57,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 00:48:57,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 00:48:57,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 00:48:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 00:48:58,224 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 00:48:58,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 00:48:58,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100864463] [2025-01-09 00:48:58,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100864463] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 00:48:58,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 00:48:58,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 00:48:58,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380891233] [2025-01-09 00:48:58,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 00:48:58,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 00:48:58,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 00:48:58,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 00:48:58,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 00:48:58,225 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 00:48:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 00:48:59,719 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2025-01-09 00:48:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 00:48:59,720 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2025-01-09 00:48:59,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 00:48:59,720 INFO L225 Difference]: With dead ends: 67 [2025-01-09 00:48:59,721 INFO L226 Difference]: Without dead ends: 65 [2025-01-09 00:48:59,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-01-09 00:48:59,722 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 28 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-01-09 00:48:59,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 162 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-01-09 00:48:59,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-09 00:48:59,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2025-01-09 00:48:59,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (13), 11 states have call predecessors, (13), 10 states have call successors, (13) [2025-01-09 00:48:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions. [2025-01-09 00:48:59,731 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 21 [2025-01-09 00:48:59,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 00:48:59,731 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions. [2025-01-09 00:48:59,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 00:48:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2025-01-09 00:48:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-09 00:48:59,732 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 00:48:59,732 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:48:59,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Forceful destruction successful, exit code 0 [2025-01-09 00:48:59,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/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 [2025-01-09 00:48:59,936 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 00:48:59,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 00:48:59,936 INFO L85 PathProgramCache]: Analyzing trace with hash -896016762, now seen corresponding path program 1 times [2025-01-09 00:48:59,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 00:48:59,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657127678] [2025-01-09 00:48:59,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 00:48:59,937 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 [2025-01-09 00:48:59,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 00:48:59,938 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/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) [2025-01-09 00:48:59,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2025-01-09 00:48:59,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-09 00:48:59,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-09 00:48:59,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 00:48:59,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 00:48:59,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 00:48:59,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 00:49:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 00:49:00,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 00:49:00,005 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 00:49:00,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657127678] [2025-01-09 00:49:00,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657127678] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 00:49:00,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 00:49:00,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 00:49:00,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203484607] [2025-01-09 00:49:00,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 00:49:00,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 00:49:00,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 00:49:00,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 00:49:00,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 00:49:00,006 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 00:49:00,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 00:49:00,033 INFO L93 Difference]: Finished difference Result 82 states and 91 transitions. [2025-01-09 00:49:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 00:49:00,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2025-01-09 00:49:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 00:49:00,037 INFO L225 Difference]: With dead ends: 82 [2025-01-09 00:49:00,037 INFO L226 Difference]: Without dead ends: 43 [2025-01-09 00:49:00,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 00:49:00,038 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 00:49:00,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 53 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 00:49:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-01-09 00:49:00,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2025-01-09 00:49:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-09 00:49:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2025-01-09 00:49:00,046 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 21 [2025-01-09 00:49:00,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 00:49:00,046 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2025-01-09 00:49:00,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 00:49:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2025-01-09 00:49:00,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-09 00:49:00,049 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 00:49:00,049 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:49:00,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2025-01-09 00:49:00,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/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 [2025-01-09 00:49:00,249 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 00:49:00,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 00:49:00,251 INFO L85 PathProgramCache]: Analyzing trace with hash 809857432, now seen corresponding path program 1 times [2025-01-09 00:49:00,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 00:49:00,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815699738] [2025-01-09 00:49:00,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 00:49:00,252 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 [2025-01-09 00:49:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 00:49:00,253 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/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) [2025-01-09 00:49:00,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 00:49:00,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-09 00:49:00,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-09 00:49:00,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 00:49:00,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 00:49:00,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-09 00:49:00,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 00:49:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-09 00:49:01,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 00:49:01,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 00:49:01,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815699738] [2025-01-09 00:49:01,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815699738] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 00:49:01,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 00:49:01,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-09 00:49:01,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307954106] [2025-01-09 00:49:01,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 00:49:01,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-09 00:49:01,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 00:49:01,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-09 00:49:01,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-09 00:49:01,513 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 11 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-09 00:49:03,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 00:49:03,346 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2025-01-09 00:49:03,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-09 00:49:03,346 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 43 [2025-01-09 00:49:03,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 00:49:03,347 INFO L225 Difference]: With dead ends: 43 [2025-01-09 00:49:03,347 INFO L226 Difference]: Without dead ends: 41 [2025-01-09 00:49:03,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-01-09 00:49:03,347 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 00:49:03,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 206 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 00:49:03,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-01-09 00:49:03,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2025-01-09 00:49:03,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-09 00:49:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2025-01-09 00:49:03,351 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 43 [2025-01-09 00:49:03,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 00:49:03,351 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2025-01-09 00:49:03,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-09 00:49:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2025-01-09 00:49:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-09 00:49:03,352 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 00:49:03,352 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:49:03,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Ended with exit code 0 [2025-01-09 00:49:03,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/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 [2025-01-09 00:49:03,553 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 00:49:03,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 00:49:03,553 INFO L85 PathProgramCache]: Analyzing trace with hash -506599221, now seen corresponding path program 1 times [2025-01-09 00:49:03,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 00:49:03,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670288748] [2025-01-09 00:49:03,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 00:49:03,554 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 [2025-01-09 00:49:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 00:49:03,557 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/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) [2025-01-09 00:49:03,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 (9)] Waiting until timeout for monitored process [2025-01-09 00:49:03,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-09 00:49:03,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-09 00:49:03,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 00:49:03,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 00:49:03,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-09 00:49:03,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 00:49:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 00:49:04,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 00:49:04,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 00:49:04,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670288748] [2025-01-09 00:49:04,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670288748] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 00:49:04,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 00:49:04,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-09 00:49:04,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934202530] [2025-01-09 00:49:04,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 00:49:04,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-09 00:49:04,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 00:49:04,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-09 00:49:04,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-09 00:49:04,909 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 11 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-09 00:49:06,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 00:49:06,701 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2025-01-09 00:49:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-09 00:49:06,701 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 52 [2025-01-09 00:49:06,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 00:49:06,701 INFO L225 Difference]: With dead ends: 41 [2025-01-09 00:49:06,702 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 00:49:06,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2025-01-09 00:49:06,702 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 15 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-09 00:49:06,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 186 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-09 00:49:06,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 00:49:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 00:49:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 00:49:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 00:49:06,704 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2025-01-09 00:49:06,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 00:49:06,704 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 00:49:06,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-09 00:49:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 00:49:06,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 00:49:06,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2025-01-09 00:49:06,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-01-09 00:49:06,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 (9)] Ended with exit code 0 [2025-01-09 00:49:06,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/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 [2025-01-09 00:49:06,910 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 00:49:06,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 00:49:08,617 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 00:49:08,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:49:08 BoogieIcfgContainer [2025-01-09 00:49:08,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 00:49:08,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 00:49:08,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 00:49:08,631 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 00:49:08,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:48:55" (3/4) ... [2025-01-09 00:49:08,633 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 00:49:08,640 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2025-01-09 00:49:08,640 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 00:49:08,640 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure roundingTest [2025-01-09 00:49:08,644 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-09 00:49:08,644 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-01-09 00:49:08,644 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-09 00:49:08,644 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 00:49:08,691 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 00:49:08,691 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 00:49:08,691 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 00:49:08,692 INFO L158 Benchmark]: Toolchain (without parser) took 14266.34ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 81.5MB in the end (delta: 9.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2025-01-09 00:49:08,692 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 83.9MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 00:49:08,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.89ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 43.5MB in the end (delta: 47.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-01-09 00:49:08,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.63ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 41.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 00:49:08,694 INFO L158 Benchmark]: Boogie Preprocessor took 36.78ms. Allocated memory is still 117.4MB. Free memory was 41.1MB in the beginning and 39.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 00:49:08,694 INFO L158 Benchmark]: RCFGBuilder took 283.88ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 82.5MB in the end (delta: -43.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2025-01-09 00:49:08,694 INFO L158 Benchmark]: TraceAbstraction took 13308.62ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 85.5MB in the end (delta: -3.9MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2025-01-09 00:49:08,694 INFO L158 Benchmark]: Witness Printer took 60.59ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 81.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 00:49:08,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 83.9MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.89ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 43.5MB in the end (delta: 47.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.63ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 41.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.78ms. Allocated memory is still 117.4MB. Free memory was 41.1MB in the beginning and 39.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.88ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 82.5MB in the end (delta: -43.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13308.62ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 85.5MB in the end (delta: -3.9MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * Witness Printer took 60.59ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 81.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 1095]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma STDC FENV_ACCESS OFF [1095] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1103]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1110]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 923 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 666 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 449 IncrementalHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 257 mSDtfsCounter, 449 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 149 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=2, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 185 ConstructedInterpolants, 26 QuantifiedInterpolants, 786 SizeOfPredicates, 20 NumberOfNonLiveVariables, 392 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 69/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 00:49:08,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE