./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/tanh_w4_r2_case_1_unsafe.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/tanh_w4_r2_case_1_unsafe.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 411f0cc733ffce0da91f42ed5edc281fbf191070efd03339186c6d3bce3c9a63 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:57:14,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:57:14,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 19:57:14,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:57:14,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:57:14,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:57:14,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:57:14,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:57:14,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:57:14,885 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:57:14,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:57:14,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:57:14,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:57:14,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:57:14,887 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:57:14,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:57:14,888 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:57:14,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:57:14,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:57:14,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:57:14,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:57:14,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:57:14,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:57:14,890 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:57:14,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:57:14,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 19:57:14,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 19:57:14,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:57:14,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:57:14,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:57:14,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:57:14,890 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 -> 411f0cc733ffce0da91f42ed5edc281fbf191070efd03339186c6d3bce3c9a63 [2025-02-07 19:57:15,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:57:15,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:57:15,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:57:15,184 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:57:15,184 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:57:15,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/tanh_w4_r2_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:16,421 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0274f3969/1ce35a2fe07b432990ac79db11ffec25/FLAG6c696012a [2025-02-07 19:57:16,924 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:57:16,927 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w4_r2_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:16,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0274f3969/1ce35a2fe07b432990ac79db11ffec25/FLAG6c696012a [2025-02-07 19:57:16,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0274f3969/1ce35a2fe07b432990ac79db11ffec25 [2025-02-07 19:57:16,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:57:16,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:57:16,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:57:16,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:57:16,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:57:16,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:57:16" (1/1) ... [2025-02-07 19:57:16,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f113f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:16, skipping insertion in model container [2025-02-07 19:57:16,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:57:16" (1/1) ... [2025-02-07 19:57:17,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:57:17,753 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/tanh_w4_r2_case_1_unsafe.c-amalgamation.i[71398,71411] [2025-02-07 19:57:17,953 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: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3127) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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.handleLoopBody(CHandler.java:3684) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-07 19:57:17,960 INFO L158 Benchmark]: Toolchain (without parser) took 979.54ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 101.7MB in the end (delta: 27.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 19:57:17,961 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 192.9MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:57:17,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.79ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 101.7MB in the end (delta: 27.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 19:57:17,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 192.9MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.79ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 101.7MB in the end (delta: 27.8MB). Peak memory consumption was 33.6MB. 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: 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/tanh_w4_r2_case_1_unsafe.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 411f0cc733ffce0da91f42ed5edc281fbf191070efd03339186c6d3bce3c9a63 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:57:20,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:57:20,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 19:57:20,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:57:20,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:57:20,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:57:20,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:57:20,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:57:20,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:57:20,156 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:57:20,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:57:20,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:57:20,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:57:20,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:57:20,158 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:57:20,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:57:20,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:57:20,159 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:57:20,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:57:20,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:57:20,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:57:20,160 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 -> 411f0cc733ffce0da91f42ed5edc281fbf191070efd03339186c6d3bce3c9a63 [2025-02-07 19:57:20,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:57:20,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:57:20,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:57:20,495 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:57:20,495 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:57:20,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/tanh_w4_r2_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:21,933 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72095b7a5/aadadb482c8b469faa544991cbb159ce/FLAG0bfc9c6ee [2025-02-07 19:57:22,412 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:57:22,413 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w4_r2_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:22,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72095b7a5/aadadb482c8b469faa544991cbb159ce/FLAG0bfc9c6ee [2025-02-07 19:57:22,468 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72095b7a5/aadadb482c8b469faa544991cbb159ce [2025-02-07 19:57:22,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:57:22,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:57:22,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:57:22,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:57:22,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:57:22,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:57:22" (1/1) ... [2025-02-07 19:57:22,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251c7837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:22, skipping insertion in model container [2025-02-07 19:57:22,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:57:22" (1/1) ... [2025-02-07 19:57:22,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:57:23,416 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/tanh_w4_r2_case_1_unsafe.c-amalgamation.i[71398,71411] [2025-02-07 19:57:23,680 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-07 19:57:23,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:57:23,771 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 19:57:23,828 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/tanh_w4_r2_case_1_unsafe.c-amalgamation.i[71398,71411] [2025-02-07 19:57:23,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:57:24,133 INFO L204 MainTranslator]: Completed translation [2025-02-07 19:57:24,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24 WrapperNode [2025-02-07 19:57:24,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 19:57:24,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 19:57:24,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 19:57:24,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 19:57:24,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,237 INFO L138 Inliner]: procedures = 780, calls = 713, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 380 [2025-02-07 19:57:24,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 19:57:24,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 19:57:24,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 19:57:24,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 19:57:24,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,313 INFO L175 MemorySlicer]: Split 177 memory accesses to 12 slices as follows [2, 7, 2, 43, 10, 11, 11, 9, 35, 23, 12, 12]. 24 percent of accesses are in the largest equivalence class. The 83 initializations are split as follows [2, 7, 2, 12, 8, 8, 8, 8, 0, 12, 8, 8]. The 56 writes are split as follows [0, 0, 0, 14, 0, 0, 0, 0, 34, 5, 3, 0]. [2025-02-07 19:57:24,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,348 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 19:57:24,391 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 19:57:24,391 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 19:57:24,391 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 19:57:24,392 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (1/1) ... [2025-02-07 19:57:24,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:57:24,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 19:57:24,429 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 19:57:24,437 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 19:57:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 19:57:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 19:57:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 19:57:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 19:57:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 19:57:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 19:57:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 19:57:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2025-02-07 19:57:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-02-07 19:57:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 19:57:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-07 19:57:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-02-07 19:57:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 19:57:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2025-02-07 19:57:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-02-07 19:57:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 19:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2025-02-07 19:57:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-07 19:57:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-07 19:57:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-07 19:57:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-02-07 19:57:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-02-07 19:57:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2025-02-07 19:57:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2025-02-07 19:57:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 19:57:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 19:57:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 19:57:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 19:57:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-02-07 19:57:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-07 19:57:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-07 19:57:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-07 19:57:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-07 19:57:24,756 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 19:57:24,760 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 19:57:38,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L974: call ULTIMATE.dealloc(main_~#input_array~0#1.base, main_~#input_array~0#1.offset);havoc main_~#input_array~0#1.base, main_~#input_array~0#1.offset;call ULTIMATE.dealloc(main_~#output_array~0#1.base, main_~#output_array~0#1.offset);havoc main_~#output_array~0#1.base, main_~#output_array~0#1.offset;call ULTIMATE.dealloc(main_~#input_tensor~0#1.base, main_~#input_tensor~0#1.offset);havoc main_~#input_tensor~0#1.base, main_~#input_tensor~0#1.offset;call ULTIMATE.dealloc(main_~#output_tensor~0#1.base, main_~#output_tensor~0#1.offset);havoc main_~#output_tensor~0#1.base, main_~#output_tensor~0#1.offset; [2025-02-07 19:57:38,397 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-02-07 19:57:38,397 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 19:57:38,409 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 19:57:38,411 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 19:57:38,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:57:38 BoogieIcfgContainer [2025-02-07 19:57:38,412 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 19:57:38,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 19:57:38,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 19:57:38,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 19:57:38,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:57:22" (1/3) ... [2025-02-07 19:57:38,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4324d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:57:38, skipping insertion in model container [2025-02-07 19:57:38,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:24" (2/3) ... [2025-02-07 19:57:38,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4324d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:57:38, skipping insertion in model container [2025-02-07 19:57:38,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:57:38" (3/3) ... [2025-02-07 19:57:38,424 INFO L128 eAbstractionObserver]: Analyzing ICFG tanh_w4_r2_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:38,438 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 19:57:38,440 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG tanh_w4_r2_case_1_unsafe.c-amalgamation.i that has 17 procedures, 126 locations, 1 initial locations, 32 loop locations, and 1 error locations. [2025-02-07 19:57:38,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 19:57:38,513 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;@60c39b85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 19:57:38,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 19:57:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 68 states have (on average 1.6029411764705883) internal successors, (109), 69 states have internal predecessors, (109), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-07 19:57:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-07 19:57:38,525 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:57:38,525 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:57:38,526 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:57:38,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:57:38,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1194701633, now seen corresponding path program 1 times [2025-02-07 19:57:38,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:57:38,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760044064] [2025-02-07 19:57:38,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:57:38,548 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 19:57:38,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:57:38,552 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 19:57:38,554 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 19:57:39,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-07 19:57:39,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-07 19:57:39,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:57:39,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:57:39,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 19:57:39,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:57:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 19:57:39,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:57:39,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:57:39,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760044064] [2025-02-07 19:57:39,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760044064] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:57:39,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:57:39,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 19:57:39,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138892585] [2025-02-07 19:57:39,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:57:39,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 19:57:39,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:57:39,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 19:57:39,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:57:39,447 INFO L87 Difference]: Start difference. First operand has 82 states, 68 states have (on average 1.6029411764705883) internal successors, (109), 69 states have internal predecessors, (109), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-07 19:57:39,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:57:39,466 INFO L93 Difference]: Finished difference Result 161 states and 241 transitions. [2025-02-07 19:57:39,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 19:57:39,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-02-07 19:57:39,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:57:39,473 INFO L225 Difference]: With dead ends: 161 [2025-02-07 19:57:39,474 INFO L226 Difference]: Without dead ends: 78 [2025-02-07 19:57:39,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 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 19:57:39,480 INFO L435 NwaCegarLoop]: 121 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, 121 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 19:57:39,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 19:57:39,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-07 19:57:39,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-02-07 19:57:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 65 states have (on average 1.5846153846153845) internal successors, (103), 65 states have internal predecessors, (103), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-07 19:57:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 117 transitions. [2025-02-07 19:57:39,521 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 117 transitions. Word has length 14 [2025-02-07 19:57:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:57:39,522 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 117 transitions. [2025-02-07 19:57:39,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-07 19:57:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 117 transitions. [2025-02-07 19:57:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-07 19:57:39,523 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:57:39,523 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:57:39,539 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 19:57:39,724 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 19:57:39,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:57:39,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:57:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1323784352, now seen corresponding path program 1 times [2025-02-07 19:57:39,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:57:39,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297854771] [2025-02-07 19:57:39,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:57:39,729 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 19:57:39,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:57:39,731 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 19:57:39,732 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 19:57:40,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-07 19:57:40,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-07 19:57:40,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:57:40,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:57:40,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-07 19:57:40,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:57:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 19:57:41,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:57:41,473 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:57:41,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297854771] [2025-02-07 19:57:41,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297854771] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:57:41,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:57:41,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 19:57:41,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064516076] [2025-02-07 19:57:41,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:57:41,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 19:57:41,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:57:41,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 19:57:41,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 19:57:41,475 INFO L87 Difference]: Start difference. First operand 78 states and 117 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-07 19:57:41,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:57:41,863 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2025-02-07 19:57:41,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 19:57:41,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-02-07 19:57:41,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:57:41,873 INFO L225 Difference]: With dead ends: 86 [2025-02-07 19:57:41,873 INFO L226 Difference]: Without dead ends: 72 [2025-02-07 19:57:41,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 19:57:41,874 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 10 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-07 19:57:41,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 443 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-07 19:57:41,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-02-07 19:57:41,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-02-07 19:57:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.5666666666666667) internal successors, (94), 60 states have internal predecessors, (94), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-07 19:57:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions. [2025-02-07 19:57:41,882 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 14 [2025-02-07 19:57:41,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:57:41,882 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions. [2025-02-07 19:57:41,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-07 19:57:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2025-02-07 19:57:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-07 19:57:41,883 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:57:41,883 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:57:41,897 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 19:57:42,083 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 19:57:42,084 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:57:42,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:57:42,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1857120736, now seen corresponding path program 1 times [2025-02-07 19:57:42,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:57:42,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620262121] [2025-02-07 19:57:42,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:57:42,086 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 19:57:42,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:57:42,090 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) [2025-02-07 19:57:42,091 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 [2025-02-07 19:57:42,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-07 19:57:42,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-07 19:57:42,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:57:42,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:57:42,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-07 19:57:42,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:57:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 19:57:46,048 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:57:46,048 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:57:46,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620262121] [2025-02-07 19:57:46,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620262121] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:57:46,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:57:46,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-07 19:57:46,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760794121] [2025-02-07 19:57:46,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:57:46,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-07 19:57:46,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:57:46,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-07 19:57:46,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-07 19:57:46,050 INFO L87 Difference]: Start difference. First operand 72 states and 106 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-07 19:57:48,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:57:49,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 19:57:53,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 19:57:57,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:58:01,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:58:05,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:58:09,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 19:58:12,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:58:12,907 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2025-02-07 19:58:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-07 19:58:12,911 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-02-07 19:58:12,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:58:12,912 INFO L225 Difference]: With dead ends: 86 [2025-02-07 19:58:12,913 INFO L226 Difference]: Without dead ends: 78 [2025-02-07 19:58:12,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-07 19:58:12,914 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 113 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2025-02-07 19:58:12,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 441 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 5 Unknown, 0 Unchecked, 26.8s Time] [2025-02-07 19:58:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-07 19:58:12,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2025-02-07 19:58:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 61 states have (on average 1.5573770491803278) internal successors, (95), 61 states have internal predecessors, (95), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-07 19:58:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2025-02-07 19:58:12,934 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 14 [2025-02-07 19:58:12,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:58:12,934 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2025-02-07 19:58:12,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-07 19:58:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2025-02-07 19:58:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-07 19:58:12,941 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:58:12,941 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:58:12,962 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 (4)] Ended with exit code 0 [2025-02-07 19:58:13,142 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 [2025-02-07 19:58:13,142 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:58:13,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:58:13,142 INFO L85 PathProgramCache]: Analyzing trace with hash -123592334, now seen corresponding path program 1 times [2025-02-07 19:58:13,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:58:13,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627676726] [2025-02-07 19:58:13,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:58:13,143 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 19:58:13,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:58:13,146 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) [2025-02-07 19:58:13,147 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 [2025-02-07 19:58:13,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-07 19:58:14,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-07 19:58:14,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:58:14,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:58:14,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-07 19:58:14,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:58:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 19:58:31,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-07 19:58:46,451 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:58:46,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627676726] [2025-02-07 19:58:46,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627676726] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-07 19:58:46,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1206884253] [2025-02-07 19:58:46,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:58:46,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-02-07 19:58:46,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-02-07 19:58:46,454 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-02-07 19:58:46,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2025-02-07 19:58:47,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-07 19:58:47,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-07 19:58:47,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:58:47,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:58:47,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-07 19:58:47,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:58:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-07 19:58:48,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:58:48,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1206884253] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:58:48,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-07 19:58:48,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2025-02-07 19:58:48,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003790106] [2025-02-07 19:58:48,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:58:48,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 19:58:48,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:58:48,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 19:58:48,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2025-02-07 19:58:48,334 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-07 19:58:48,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:58:48,553 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2025-02-07 19:58:48,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 19:58:48,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2025-02-07 19:58:48,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:58:48,555 INFO L225 Difference]: With dead ends: 144 [2025-02-07 19:58:48,555 INFO L226 Difference]: Without dead ends: 79 [2025-02-07 19:58:48,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 104 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2025-02-07 19:58:48,556 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 2 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-07 19:58:48,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 211 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-07 19:58:48,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-02-07 19:58:48,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-02-07 19:58:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 66 states have (on average 1.5303030303030303) internal successors, (101), 66 states have internal predecessors, (101), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-07 19:58:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions. [2025-02-07 19:58:48,568 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 54 [2025-02-07 19:58:48,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:58:48,568 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions. [2025-02-07 19:58:48,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-07 19:58:48,568 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2025-02-07 19:58:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-07 19:58:48,570 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:58:48,570 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:58:48,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0