./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5dfe403fa9085c96ebc6ba2764eb1c45311fd635f502b4818e4e04cfe371f3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 04:20:15,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 04:20:15,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 04:20:15,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 04:20:15,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 04:20:15,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 04:20:15,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 04:20:15,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 04:20:15,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 04:20:15,309 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 04:20:15,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 04:20:15,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 04:20:15,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 04:20:15,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 04:20:15,310 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 04:20:15,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 04:20:15,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 04:20:15,311 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 04:20:15,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 04:20:15,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 04:20:15,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 04:20:15,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 04:20:15,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 04:20:15,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 04:20:15,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 04:20:15,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 04:20:15,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 04:20:15,313 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 04:20:15,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 04:20:15,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 04:20:15,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 04:20:15,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 04:20:15,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 04:20:15,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 04:20:15,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 04:20:15,314 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> e5dfe403fa9085c96ebc6ba2764eb1c45311fd635f502b4818e4e04cfe371f3d [2025-03-08 04:20:15,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 04:20:15,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 04:20:15,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 04:20:15,571 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 04:20:15,571 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 04:20:15,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i [2025-03-08 04:20:16,690 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbcea42c6/a7e7d0932d4f4785bea7cece83b6c6c1/FLAGcf6f7b64b [2025-03-08 04:20:17,132 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 04:20:17,132 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i [2025-03-08 04:20:17,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbcea42c6/a7e7d0932d4f4785bea7cece83b6c6c1/FLAGcf6f7b64b [2025-03-08 04:20:17,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbcea42c6/a7e7d0932d4f4785bea7cece83b6c6c1 [2025-03-08 04:20:17,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 04:20:17,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 04:20:17,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 04:20:17,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 04:20:17,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 04:20:17,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:20:17" (1/1) ... [2025-03-08 04:20:17,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5104ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:17, skipping insertion in model container [2025-03-08 04:20:17,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:20:17" (1/1) ... [2025-03-08 04:20:17,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 04:20:17,857 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i[71669,71682] [2025-03-08 04:20:18,036 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-08 04:20:18,042 INFO L158 Benchmark]: Toolchain (without parser) took 782.07ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 66.9MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 04:20:18,043 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 04:20:18,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 780.52ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 66.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 04:20:18,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 780.52ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 66.9MB in the end (delta: 32.3MB). 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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5dfe403fa9085c96ebc6ba2764eb1c45311fd635f502b4818e4e04cfe371f3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 04:20:19,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 04:20:19,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 04:20:19,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 04:20:19,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 04:20:19,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 04:20:19,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 04:20:19,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 04:20:19,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 04:20:19,825 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 04:20:19,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 04:20:19,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 04:20:19,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 04:20:19,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 04:20:19,825 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 04:20:19,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 04:20:19,826 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 04:20:19,827 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 04:20:19,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 04:20:19,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 04:20:19,828 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> e5dfe403fa9085c96ebc6ba2764eb1c45311fd635f502b4818e4e04cfe371f3d [2025-03-08 04:20:20,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 04:20:20,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 04:20:20,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 04:20:20,092 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 04:20:20,092 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 04:20:20,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i [2025-03-08 04:20:21,311 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0d0aabb/643ac9d2739443be92d6a4b1b50b3896/FLAG21881dd76 [2025-03-08 04:20:21,659 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 04:20:21,665 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i [2025-03-08 04:20:21,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0d0aabb/643ac9d2739443be92d6a4b1b50b3896/FLAG21881dd76 [2025-03-08 04:20:21,727 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0d0aabb/643ac9d2739443be92d6a4b1b50b3896 [2025-03-08 04:20:21,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 04:20:21,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 04:20:21,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 04:20:21,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 04:20:21,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 04:20:21,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:20:21" (1/1) ... [2025-03-08 04:20:21,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c2dba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:21, skipping insertion in model container [2025-03-08 04:20:21,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:20:21" (1/1) ... [2025-03-08 04:20:21,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 04:20:22,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i[71669,71682] [2025-03-08 04:20:22,589 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 04:20:22,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 04:20:22,633 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 04:20:22,666 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i[71669,71682] [2025-03-08 04:20:22,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 04:20:22,935 INFO L204 MainTranslator]: Completed translation [2025-03-08 04:20:22,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22 WrapperNode [2025-03-08 04:20:22,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 04:20:22,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 04:20:22,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 04:20:22,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 04:20:22,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:22,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,036 INFO L138 Inliner]: procedures = 780, calls = 1169, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 526 [2025-03-08 04:20:23,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 04:20:23,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 04:20:23,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 04:20:23,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 04:20:23,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,092 INFO L175 MemorySlicer]: Split 297 memory accesses to 12 slices as follows [2, 55, 7, 2, 11, 12, 35, 131, 12, 9, 11, 10]. 44 percent of accesses are in the largest equivalence class. The 99 initializations are split as follows [2, 24, 7, 2, 8, 8, 16, 0, 8, 8, 8, 8]. The 156 writes are split as follows [0, 14, 0, 0, 0, 3, 9, 130, 0, 0, 0, 0]. [2025-03-08 04:20:23,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,131 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 04:20:23,157 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 04:20:23,157 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 04:20:23,157 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 04:20:23,158 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (1/1) ... [2025-03-08 04:20:23,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 04:20:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 04:20:23,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 04:20:23,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 04:20:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-08 04:20:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-08 04:20:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-08 04:20:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-08 04:20:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-08 04:20:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2025-03-08 04:20:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 04:20:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 04:20:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 04:20:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 04:20:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 04:20:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 04:20:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 04:20:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 04:20:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2025-03-08 04:20:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2025-03-08 04:20:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-03-08 04:20:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-03-08 04:20:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 04:20:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 04:20:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-03-08 04:20:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2025-03-08 04:20:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-03-08 04:20:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 04:20:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 04:20:23,484 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 04:20:23,486 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 04:20:39,758 INFO L1307 $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; [2025-03-08 04:20:39,852 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2025-03-08 04:20:39,852 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 04:20:39,861 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 04:20:39,863 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 04:20:39,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:20:39 BoogieIcfgContainer [2025-03-08 04:20:39,864 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 04:20:39,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 04:20:39,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 04:20:39,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 04:20:39,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 04:20:21" (1/3) ... [2025-03-08 04:20:39,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edf9114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 04:20:39, skipping insertion in model container [2025-03-08 04:20:39,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:20:22" (2/3) ... [2025-03-08 04:20:39,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edf9114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 04:20:39, skipping insertion in model container [2025-03-08 04:20:39,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:20:39" (3/3) ... [2025-03-08 04:20:39,874 INFO L128 eAbstractionObserver]: Analyzing ICFG tanh_w8_r1_case_1_safe.c-amalgamation.i [2025-03-08 04:20:39,885 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 04:20:39,887 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG tanh_w8_r1_case_1_safe.c-amalgamation.i that has 17 procedures, 143 locations, 1 initial locations, 32 loop locations, and 1 error locations. [2025-03-08 04:20:39,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 04:20:39,943 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;@4b91603c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 04:20:39,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 04:20:39,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 85 states have (on average 1.5294117647058822) internal successors, (130), 86 states have internal predecessors, (130), 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) [2025-03-08 04:20:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-08 04:20:39,953 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 04:20:39,953 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 04:20:39,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 04:20:39,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 04:20:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1726307400, now seen corresponding path program 1 times [2025-03-08 04:20:39,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 04:20:39,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737423726] [2025-03-08 04:20:39,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 04:20:39,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 04:20:39,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 04:20:39,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 04:20:39,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 04:20:41,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-08 04:20:42,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-08 04:20:42,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 04:20:42,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:20:42,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 04:20:42,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 04:20:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 04:20:42,643 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 04:20:42,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 04:20:42,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737423726] [2025-03-08 04:20:42,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737423726] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 04:20:42,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 04:20:42,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 04:20:42,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562881505] [2025-03-08 04:20:42,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 04:20:42,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 04:20:42,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 04:20:42,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 04:20:42,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 04:20:42,662 INFO L87 Difference]: Start difference. First operand has 99 states, 85 states have (on average 1.5294117647058822) internal successors, (130), 86 states have internal predecessors, (130), 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 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 04:20:42,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 04:20:42,679 INFO L93 Difference]: Finished difference Result 194 states and 282 transitions. [2025-03-08 04:20:42,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 04:20:42,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 22 [2025-03-08 04:20:42,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 04:20:42,685 INFO L225 Difference]: With dead ends: 194 [2025-03-08 04:20:42,685 INFO L226 Difference]: Without dead ends: 95 [2025-03-08 04:20:42,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 04:20:42,689 INFO L435 NwaCegarLoop]: 140 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, 140 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 [2025-03-08 04:20:42,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 04:20:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-03-08 04:20:42,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2025-03-08 04:20:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 82 states have (on average 1.4878048780487805) internal successors, (122), 82 states have internal predecessors, (122), 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) [2025-03-08 04:20:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2025-03-08 04:20:42,730 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 22 [2025-03-08 04:20:42,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 04:20:42,730 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2025-03-08 04:20:42,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 04:20:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2025-03-08 04:20:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-08 04:20:42,731 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 04:20:42,731 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 04:20:42,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-08 04:20:42,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 04:20:42,932 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 04:20:42,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 04:20:42,932 INFO L85 PathProgramCache]: Analyzing trace with hash 77898345, now seen corresponding path program 1 times [2025-03-08 04:20:42,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 04:20:42,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454339751] [2025-03-08 04:20:42,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 04:20:42,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 04:20:42,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 04:20:42,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 04:20:42,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 04:20:44,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-08 04:20:45,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-08 04:20:45,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 04:20:45,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:20:46,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-08 04:20:46,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 04:20:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 04:20:51,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 04:20:51,812 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 04:20:51,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454339751] [2025-03-08 04:20:51,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454339751] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 04:20:51,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 04:20:51,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 04:20:51,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590621405] [2025-03-08 04:20:51,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 04:20:51,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 04:20:51,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 04:20:51,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 04:20:51,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-08 04:20:51,816 INFO L87 Difference]: Start difference. First operand 95 states and 136 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 04:20:55,834 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] [2025-03-08 04:20:59,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 04:21:03,094 WARN L539 Checker$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] [2025-03-08 04:21:07,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 04:21:11,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 04:21:16,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 04:21:21,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 04:21:25,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 04:21:31,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.87s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 04:21:50,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 04:21:50,171 INFO L93 Difference]: Finished difference Result 114 states and 162 transitions. [2025-03-08 04:21:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 04:21:50,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 22 [2025-03-08 04:21:50,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 04:21:50,177 INFO L225 Difference]: With dead ends: 114 [2025-03-08 04:21:50,177 INFO L226 Difference]: Without dead ends: 105 [2025-03-08 04:21:50,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-08 04:21:50,179 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 162 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.3s IncrementalHoareTripleChecker+Time [2025-03-08 04:21:50,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 682 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 8 Unknown, 0 Unchecked, 58.3s Time] [2025-03-08 04:21:50,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-03-08 04:21:50,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2025-03-08 04:21:50,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 83 states have internal predecessors, (123), 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) [2025-03-08 04:21:50,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2025-03-08 04:21:50,194 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 22 [2025-03-08 04:21:50,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 04:21:50,197 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2025-03-08 04:21:50,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 04:21:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2025-03-08 04:21:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-08 04:21:50,197 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 04:21:50,197 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 04:21:50,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-08 04:21:50,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 04:21:50,398 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 04:21:50,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 04:21:50,399 INFO L85 PathProgramCache]: Analyzing trace with hash 724339625, now seen corresponding path program 1 times [2025-03-08 04:21:50,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 04:21:50,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525074677] [2025-03-08 04:21:50,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 04:21:50,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 04:21:50,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 04:21:50,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 04:21:50,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-08 04:21:52,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-08 04:21:53,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-08 04:21:53,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 04:21:53,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 04:21:53,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 04:21:53,611 INFO L279 TraceCheckSpWp]: Computing forward predicates...