./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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/neural-networks/elu_4_safe.c-amalgamation.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 44cf836f37a0b6a4b6e43698ba7a51728618fc4f76274a3be50a851d4340f7f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:16:31,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:16:31,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 19:16:31,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:16:31,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:16:31,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:16:31,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:16:31,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:16:31,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:16:31,386 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:16:31,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:16:31,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:16:31,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:16:31,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:16:31,387 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:16:31,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:16:31,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:16:31,388 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:16:31,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 19:16:31,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:16:31,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:16:31,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:16:31,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:16:31,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:16:31,389 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:16:31,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:16:31,389 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:16:31,389 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:16:31,389 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:16:31,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:16:31,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:16:31,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:16:31,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:16:31,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:16:31,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:16:31,390 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 -> 44cf836f37a0b6a4b6e43698ba7a51728618fc4f76274a3be50a851d4340f7f0 [2025-02-07 19:16:31,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:16:31,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:16:31,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:16:31,606 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:16:31,606 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:16:31,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i [2025-02-07 19:16:32,665 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/162d4187d/1120fa44e3c54616b370a5297a19e970/FLAG75ed4402b [2025-02-07 19:16:32,956 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:16:32,957 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i [2025-02-07 19:16:32,968 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/162d4187d/1120fa44e3c54616b370a5297a19e970/FLAG75ed4402b [2025-02-07 19:16:32,978 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/162d4187d/1120fa44e3c54616b370a5297a19e970 [2025-02-07 19:16:32,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:16:32,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:16:32,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:16:32,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:16:32,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:16:32,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:16:32" (1/1) ... [2025-02-07 19:16:32,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd3959c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:32, skipping insertion in model container [2025-02-07 19:16:32,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:16:32" (1/1) ... [2025-02-07 19:16:33,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:16:33,364 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3127) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$150(StandardFunctionHandler.java:621) 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:2628) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:790) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2628) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2628) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1808) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-07 19:16:33,369 INFO L158 Benchmark]: Toolchain (without parser) took 386.94ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 88.1MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 19:16:33,369 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 201.3MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:16:33,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.42ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 88.1MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 19:16:33,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 201.3MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.42ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 88.1MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-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/neural-networks/elu_4_safe.c-amalgamation.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 44cf836f37a0b6a4b6e43698ba7a51728618fc4f76274a3be50a851d4340f7f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:16:34,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:16:34,975 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 19:16:34,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:16:34,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:16:35,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:16:35,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:16:35,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:16:35,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:16:35,006 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:16:35,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:16:35,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:16:35,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:16:35,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:16:35,007 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:16:35,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:16:35,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:16:35,008 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:16:35,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:16:35,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:16:35,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:16:35,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:16:35,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:16:35,009 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 19:16:35,009 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 19:16:35,009 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 19:16:35,009 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:16:35,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:16:35,009 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:16:35,009 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:16:35,009 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:16:35,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 19:16:35,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:16:35,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:16:35,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:16:35,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:16:35,011 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 -> 44cf836f37a0b6a4b6e43698ba7a51728618fc4f76274a3be50a851d4340f7f0 [2025-02-07 19:16:35,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:16:35,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:16:35,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:16:35,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:16:35,254 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:16:35,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i [2025-02-07 19:16:36,390 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6cb9a7349/335c16772e9846c4811737297769784f/FLAG5b9eef042 [2025-02-07 19:16:36,647 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:16:36,648 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i [2025-02-07 19:16:36,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6cb9a7349/335c16772e9846c4811737297769784f/FLAG5b9eef042 [2025-02-07 19:16:36,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6cb9a7349/335c16772e9846c4811737297769784f [2025-02-07 19:16:36,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:16:36,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:16:36,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:16:36,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:16:36,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:16:36,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:16:36" (1/1) ... [2025-02-07 19:16:36,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5d303e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:36, skipping insertion in model container [2025-02-07 19:16:36,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:16:36" (1/1) ... [2025-02-07 19:16:36,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:16:37,297 WARN L1731 CHandler]: Possible shadowing of function y1 [2025-02-07 19:16:37,300 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/neural-networks/elu_4_safe.c-amalgamation.i[63198,63211] [2025-02-07 19:16:37,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:16:37,310 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 19:16:37,358 WARN L1731 CHandler]: Possible shadowing of function y1 [2025-02-07 19:16:37,359 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/neural-networks/elu_4_safe.c-amalgamation.i[63198,63211] [2025-02-07 19:16:37,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:16:37,504 INFO L204 MainTranslator]: Completed translation [2025-02-07 19:16:37,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37 WrapperNode [2025-02-07 19:16:37,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 19:16:37,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 19:16:37,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 19:16:37,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 19:16:37,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,539 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2025-02-07 19:16:37,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 19:16:37,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 19:16:37,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 19:16:37,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 19:16:37,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,549 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,557 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-02-07 19:16:37,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,561 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 19:16:37,567 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 19:16:37,567 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 19:16:37,567 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 19:16:37,568 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (1/1) ... [2025-02-07 19:16:37,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:16:37,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 19:16:37,591 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) [2025-02-07 19:16:37,595 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 [2025-02-07 19:16:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure elu [2025-02-07 19:16:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure elu [2025-02-07 19:16:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 19:16:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 19:16:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 19:16:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 19:16:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 19:16:37,693 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 19:16:37,694 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 19:16:43,478 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-07 19:16:43,478 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 19:16:43,483 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 19:16:43,483 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 19:16:43,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:16:43 BoogieIcfgContainer [2025-02-07 19:16:43,484 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 19:16:43,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 19:16:43,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 19:16:43,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 19:16:43,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:16:36" (1/3) ... [2025-02-07 19:16:43,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252da8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:16:43, skipping insertion in model container [2025-02-07 19:16:43,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:16:37" (2/3) ... [2025-02-07 19:16:43,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252da8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:16:43, skipping insertion in model container [2025-02-07 19:16:43,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:16:43" (3/3) ... [2025-02-07 19:16:43,490 INFO L128 eAbstractionObserver]: Analyzing ICFG elu_4_safe.c-amalgamation.i [2025-02-07 19:16:43,498 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 19:16:43,499 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG elu_4_safe.c-amalgamation.i that has 2 procedures, 16 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 19:16:43,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 19:16:43,534 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;@3717890b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 19:16:43,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 19:16:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-07 19:16:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-07 19:16:43,541 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:16:43,541 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:16:43,542 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:16:43,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:16:43,545 INFO L85 PathProgramCache]: Analyzing trace with hash -734062044, now seen corresponding path program 1 times [2025-02-07 19:16:43,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:16:43,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951838492] [2025-02-07 19:16:43,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:16:43,551 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 [2025-02-07 19:16:43,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:16:43,554 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) [2025-02-07 19:16:43,555 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 [2025-02-07 19:16:43,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-07 19:16:44,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-07 19:16:44,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:16:44,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:16:44,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 19:16:44,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:16:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-07 19:16:44,254 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:16:44,254 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:16:44,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951838492] [2025-02-07 19:16:44,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951838492] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:16:44,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:16:44,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 19:16:44,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025149043] [2025-02-07 19:16:44,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:16:44,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 19:16:44,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:16:44,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 19:16:44,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:16:44,272 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-07 19:16:44,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:16:44,282 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2025-02-07 19:16:44,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 19:16:44,283 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-02-07 19:16:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:16:44,287 INFO L225 Difference]: With dead ends: 30 [2025-02-07 19:16:44,287 INFO L226 Difference]: Without dead ends: 13 [2025-02-07 19:16:44,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:16:44,290 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 19:16:44,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 19:16:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-02-07 19:16:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-02-07 19:16:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-07 19:16:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2025-02-07 19:16:44,308 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 16 [2025-02-07 19:16:44,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:16:44,309 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2025-02-07 19:16:44,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-07 19:16:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2025-02-07 19:16:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-07 19:16:44,309 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:16:44,310 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:16:44,328 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 [2025-02-07 19:16:44,510 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 [2025-02-07 19:16:44,511 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:16:44,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:16:44,511 INFO L85 PathProgramCache]: Analyzing trace with hash 773489765, now seen corresponding path program 1 times [2025-02-07 19:16:44,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:16:44,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164496662] [2025-02-07 19:16:44,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:16:44,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 19:16:44,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:16:44,514 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) [2025-02-07 19:16:44,515 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 [2025-02-07 19:16:44,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-07 19:16:47,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-07 19:16:47,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:16:47,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 19:16:47,296 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 19:16:47,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-07 19:16:49,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-07 19:16:49,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:16:49,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 19:16:49,594 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-07 19:16:49,594 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 19:16:49,597 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 19:16:49,626 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 [2025-02-07 19:16:49,802 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 [2025-02-07 19:16:49,805 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 19:16:49,818 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 19:16:49,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:16:49 BoogieIcfgContainer [2025-02-07 19:16:49,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 19:16:49,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 19:16:49,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 19:16:49,821 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 19:16:49,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:16:43" (3/4) ... [2025-02-07 19:16:49,823 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 19:16:49,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 19:16:49,824 INFO L158 Benchmark]: Toolchain (without parser) took 12867.76ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 83.1MB in the end (delta: 6.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2025-02-07 19:16:49,825 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 62.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:16:49,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.37ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 81.4MB in the end (delta: 8.7MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2025-02-07 19:16:49,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.26ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.9MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 19:16:49,827 INFO L158 Benchmark]: Boogie Preprocessor took 26.82ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:16:49,828 INFO L158 Benchmark]: IcfgBuilder took 5917.21ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 66.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 19:16:49,828 INFO L158 Benchmark]: TraceAbstraction took 6334.58ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 83.8MB in the end (delta: -17.6MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2025-02-07 19:16:49,828 INFO L158 Benchmark]: Witness Printer took 2.48ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 83.1MB in the end (delta: 629.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:16:49,829 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 62.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.37ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 81.4MB in the end (delta: 8.7MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.26ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.9MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.82ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 5917.21ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 66.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6334.58ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 83.8MB in the end (delta: -17.6MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Witness Printer took 2.48ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 83.1MB in the end (delta: 629.6kB). There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 860]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of __builtin_isinf_sign at line 856. Possible FailurePath: [L854] float x1 = __VERIFIER_nondet_float(); [L855] float x2 = x1 + 1e-2; [L856] COND FALSE !(!(!__builtin_isnan (x1) && !__builtin_isinf_sign (x1))) [L857] CALL, EXPR elu(x1) [L847] COND TRUE x >= 0.0f [L848] return x; [L857] RET, EXPR elu(x1) [L857] float y1 = elu(x1); [L858] CALL, EXPR elu(x2) [L847] COND TRUE x >= 0.0f [L848] return x; [L858] RET, EXPR elu(x2) [L858] float y2 = elu(x2); [L859] float derivative = (y2 - y1) / 1e-2; VAL [derivative=NaN] [L860] COND TRUE !(__builtin_isgreaterequal(derivative, 0.0f)) [L860] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-07 19:16:49,909 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: UNKNOWN: Overapproximated counterexample