./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/tanh_w4_r3_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_r3_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 e6a103a0e990ace4fde536bf9c006657b142e9b8e7c1cffe30f27ef683d243a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:57:38,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:57:38,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 19:57:38,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:57:38,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:57:38,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:57:38,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:57:38,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:57:38,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:57:38,486 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:57:38,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:57:38,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:57:38,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:57:38,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:57:38,489 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:57:38,489 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:57:38,489 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:57:38,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:57:38,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:57:38,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:57:38,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:57:38,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:57:38,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:57:38,490 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:57:38,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:57:38,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 19:57:38,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 19:57:38,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:57:38,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:57:38,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:57:38,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:57:38,491 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 -> e6a103a0e990ace4fde536bf9c006657b142e9b8e7c1cffe30f27ef683d243a9 [2025-02-07 19:57:38,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:57:38,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:57:38,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:57:38,738 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:57:38,738 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:57:38,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:39,808 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dce622121/d802d7437c5c49f0b3c376ba7e7cfc32/FLAG98aeec977 [2025-02-07 19:57:40,244 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:57:40,245 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:40,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dce622121/d802d7437c5c49f0b3c376ba7e7cfc32/FLAG98aeec977 [2025-02-07 19:57:40,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dce622121/d802d7437c5c49f0b3c376ba7e7cfc32 [2025-02-07 19:57:40,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:57:40,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:57:40,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:57:40,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:57:40,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:57:40,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:57:40" (1/1) ... [2025-02-07 19:57:40,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35289ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:40, skipping insertion in model container [2025-02-07 19:57:40,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:57:40" (1/1) ... [2025-02-07 19:57:40,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:57:41,029 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_r3_case_1_unsafe.c-amalgamation.i[71403,71416] [2025-02-07 19:57:41,163 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-07 19:57:41,173 INFO L158 Benchmark]: Toolchain (without parser) took 779.84ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 90.9MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 19:57:41,173 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:57:41,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.87ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 90.9MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 19:57:41,174 INFO L338 ainManager$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 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.87ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 90.9MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. 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_r3_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 e6a103a0e990ace4fde536bf9c006657b142e9b8e7c1cffe30f27ef683d243a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:57:42,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:57:43,031 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 19:57:43,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:57:43,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:57:43,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:57:43,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:57:43,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:57:43,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:57:43,058 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:57:43,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:57:43,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:57:43,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:57:43,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:57:43,059 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:57:43,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:57:43,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:57:43,060 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:57:43,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:57:43,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:57:43,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:57:43,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:57:43,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:57:43,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 19:57:43,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 19:57:43,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 19:57:43,061 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:57:43,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:57:43,061 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:57:43,061 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:57:43,061 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:57:43,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:57:43,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:57:43,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:57:43,062 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 -> e6a103a0e990ace4fde536bf9c006657b142e9b8e7c1cffe30f27ef683d243a9 [2025-02-07 19:57:43,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:57:43,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:57:43,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:57:43,355 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:57:43,355 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:57:43,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:44,524 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aca65ef06/cfea3f6806854ef2a19775aa26ca5e9b/FLAGead642205 [2025-02-07 19:57:44,853 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:57:44,853 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:44,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aca65ef06/cfea3f6806854ef2a19775aa26ca5e9b/FLAGead642205 [2025-02-07 19:57:44,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aca65ef06/cfea3f6806854ef2a19775aa26ca5e9b [2025-02-07 19:57:44,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:57:44,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:57:44,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:57:44,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:57:44,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:57:44,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:57:44" (1/1) ... [2025-02-07 19:57:44,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5ccc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:44, skipping insertion in model container [2025-02-07 19:57:44,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:57:44" (1/1) ... [2025-02-07 19:57:44,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:57:45,599 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_r3_case_1_unsafe.c-amalgamation.i[71403,71416] [2025-02-07 19:57:45,766 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 19:57:45,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:57:45,833 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 19:57:45,877 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_r3_case_1_unsafe.c-amalgamation.i[71403,71416] [2025-02-07 19:57:45,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:57:46,159 INFO L204 MainTranslator]: Completed translation [2025-02-07 19:57:46,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46 WrapperNode [2025-02-07 19:57:46,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 19:57:46,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 19:57:46,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 19:57:46,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 19:57:46,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,224 INFO L138 Inliner]: procedures = 780, calls = 721, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 388 [2025-02-07 19:57:46,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 19:57:46,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 19:57:46,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 19:57:46,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 19:57:46,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,279 INFO L175 MemorySlicer]: Split 185 memory accesses to 12 slices as follows [11, 2, 12, 7, 35, 2, 27, 10, 43, 16, 11, 9]. 23 percent of accesses are in the largest equivalence class. The 91 initializations are split as follows [8, 2, 8, 7, 0, 2, 16, 8, 12, 12, 8, 8]. The 56 writes are split as follows [0, 0, 0, 0, 34, 0, 5, 0, 14, 3, 0, 0]. [2025-02-07 19:57:46,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,314 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 19:57:46,344 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 19:57:46,344 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 19:57:46,344 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 19:57:46,344 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (1/1) ... [2025-02-07 19:57:46,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:57:46,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 19:57:46,370 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 19:57:46,375 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 19:57:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 19:57:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 19:57:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 19:57:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 19:57:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 19:57:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2025-02-07 19:57:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 19:57:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-07 19:57:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-02-07 19:57:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 19:57:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-07 19:57:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-07 19:57:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-07 19:57:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-07 19:57:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-07 19:57:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-07 19:57:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-07 19:57:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-07 19:57:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-07 19:57:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-07 19:57:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-07 19:57:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-07 19:57:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2025-02-07 19:57:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2025-02-07 19:57:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-02-07 19:57:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-02-07 19:57:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 19:57:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 19:57:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-07 19:57:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 19:57:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2025-02-07 19:57:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 19:57:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-07 19:57:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-07 19:57:46,632 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 19:57:46,634 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 19:57:56,286 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 19:57:56,406 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-02-07 19:57:56,407 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 19:57:56,421 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 19:57:56,421 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 19:57:56,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:57:56 BoogieIcfgContainer [2025-02-07 19:57:56,422 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 19:57:56,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 19:57:56,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 19:57:56,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 19:57:56,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:57:44" (1/3) ... [2025-02-07 19:57:56,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8d3e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:57:56, skipping insertion in model container [2025-02-07 19:57:56,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:57:46" (2/3) ... [2025-02-07 19:57:56,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8d3e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:57:56, skipping insertion in model container [2025-02-07 19:57:56,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:57:56" (3/3) ... [2025-02-07 19:57:56,432 INFO L128 eAbstractionObserver]: Analyzing ICFG tanh_w4_r3_case_1_unsafe.c-amalgamation.i [2025-02-07 19:57:56,447 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 19:57:56,448 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG tanh_w4_r3_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 19:57:56,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 19:57:56,531 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;@60dd26c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 19:57:56,533 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 19:57:56,538 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 19:57:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-07 19:57:56,545 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:57:56,546 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:57:56,546 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:57:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:57:56,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1194701633, now seen corresponding path program 1 times [2025-02-07 19:57:56,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:57:56,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336418681] [2025-02-07 19:57:56,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:57:56,571 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 19:57:56,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:57:56,574 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 19:57:56,575 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 19:57:56,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-07 19:57:57,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-07 19:57:57,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:57:57,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:57:57,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 19:57:57,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:57:57,283 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 19:57:57,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:57:57,284 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:57:57,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336418681] [2025-02-07 19:57:57,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336418681] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:57:57,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:57:57,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 19:57:57,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705487561] [2025-02-07 19:57:57,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:57:57,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 19:57:57,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:57:57,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 19:57:57,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:57:57,300 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 19:57:57,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:57:57,314 INFO L93 Difference]: Finished difference Result 161 states and 241 transitions. [2025-02-07 19:57:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 19:57:57,316 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 19:57:57,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:57:57,320 INFO L225 Difference]: With dead ends: 161 [2025-02-07 19:57:57,320 INFO L226 Difference]: Without dead ends: 78 [2025-02-07 19:57:57,322 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 19:57:57,323 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 19:57:57,324 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 19:57:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-07 19:57:57,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-02-07 19:57:57,344 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 19:57:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 117 transitions. [2025-02-07 19:57:57,348 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 117 transitions. Word has length 14 [2025-02-07 19:57:57,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:57:57,349 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 117 transitions. [2025-02-07 19:57:57,349 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 19:57:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 117 transitions. [2025-02-07 19:57:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-07 19:57:57,349 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:57:57,349 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:57:57,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-02-07 19:57:57,550 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 19:57:57,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:57:57,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:57:57,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1323784352, now seen corresponding path program 1 times [2025-02-07 19:57:57,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:57:57,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940245994] [2025-02-07 19:57:57,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:57:57,552 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 19:57:57,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:57:57,557 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 19:57:57,559 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 19:57:57,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-07 19:57:58,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-07 19:57:58,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:57:58,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:57:58,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-07 19:57:58,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:57:59,507 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 19:57:59,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:57:59,507 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:57:59,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940245994] [2025-02-07 19:57:59,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940245994] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:57:59,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:57:59,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 19:57:59,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29540886] [2025-02-07 19:57:59,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:57:59,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 19:57:59,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:57:59,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 19:57:59,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 19:57:59,510 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 19:58:00,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:58:00,005 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2025-02-07 19:58:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 19:58:00,012 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 19:58:00,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:58:00,016 INFO L225 Difference]: With dead ends: 86 [2025-02-07 19:58:00,016 INFO L226 Difference]: Without dead ends: 72 [2025-02-07 19:58:00,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 19:58:00,018 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 10 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2025-02-07 19:58:00,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 443 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-07 19:58:00,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-02-07 19:58:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-02-07 19:58:00,032 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 19:58:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions. [2025-02-07 19:58:00,034 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 14 [2025-02-07 19:58:00,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:58:00,035 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions. [2025-02-07 19:58:00,036 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 19:58:00,036 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2025-02-07 19:58:00,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-07 19:58:00,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:58:00,036 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 19:58:00,053 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 19:58:00,237 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 19:58:00,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:58:00,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:58:00,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1857120736, now seen corresponding path program 1 times [2025-02-07 19:58:00,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:58:00,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014271869] [2025-02-07 19:58:00,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:58:00,238 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 19:58:00,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:58:00,242 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 19:58:00,244 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 19:58:00,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-07 19:58:01,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-07 19:58:01,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:58:01,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:58:01,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-07 19:58:01,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:58:04,278 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 19:58:04,278 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:58:04,278 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:58:04,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014271869] [2025-02-07 19:58:04,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2014271869] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:58:04,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:58:04,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-07 19:58:04,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158670004] [2025-02-07 19:58:04,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:58:04,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-07 19:58:04,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:58:04,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-07 19:58:04,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-07 19:58:04,279 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 19:58:05,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s 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 19:58:10,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 19:58:14,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s 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 19:58:18,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 19:58:22,655 WARN L539 Checker$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 19:58:26,761 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 19:58:30,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:58:30,996 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2025-02-07 19:58:30,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-07 19:58:30,999 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 19:58:30,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:58:31,000 INFO L225 Difference]: With dead ends: 86 [2025-02-07 19:58:31,000 INFO L226 Difference]: Without dead ends: 78 [2025-02-07 19:58:31,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-07 19:58:31,001 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 113 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s 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, 26.7s IncrementalHoareTripleChecker+Time [2025-02-07 19:58:31,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 441 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 5 Unknown, 0 Unchecked, 26.7s Time] [2025-02-07 19:58:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-07 19:58:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2025-02-07 19:58:31,014 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 19:58:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2025-02-07 19:58:31,019 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 14 [2025-02-07 19:58:31,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:58:31,019 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2025-02-07 19:58:31,019 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 19:58:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2025-02-07 19:58:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-07 19:58:31,020 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:58:31,020 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 19:58:31,042 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 19:58:31,221 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 19:58:31,221 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:58:31,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:58:31,222 INFO L85 PathProgramCache]: Analyzing trace with hash -72147566, now seen corresponding path program 1 times [2025-02-07 19:58:31,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:58:31,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715716005] [2025-02-07 19:58:31,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:58:31,222 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 19:58:31,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:58:31,225 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 19:58:31,227 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 19:58:31,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-07 19:58:32,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-07 19:58:32,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:58:32,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:58:32,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-07 19:58:32,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:58:51,657 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 19:58:51,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-07 19:59:08,011 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:59:08,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715716005] [2025-02-07 19:59:08,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715716005] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-07 19:59:08,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1913025371] [2025-02-07 19:59:08,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:59:08,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-02-07 19:59:08,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-02-07 19:59:08,014 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 19:59:08,015 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 19:59:08,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-07 19:59:08,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-07 19:59:08,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:59:08,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:59:08,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-07 19:59:08,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:59:09,788 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 19:59:09,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:59:09,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1913025371] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:59:09,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-07 19:59:09,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2025-02-07 19:59:09,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568816453] [2025-02-07 19:59:09,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:59:09,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 19:59:09,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:59:09,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 19:59:09,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2025-02-07 19:59:09,791 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 19:59:10,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:59:10,029 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2025-02-07 19:59:10,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 19:59:10,031 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 19:59:10,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:59:10,033 INFO L225 Difference]: With dead ends: 144 [2025-02-07 19:59:10,033 INFO L226 Difference]: Without dead ends: 79 [2025-02-07 19:59:10,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 104 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2025-02-07 19:59:10,034 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 19:59:10,034 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 19:59:10,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-02-07 19:59:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-02-07 19:59:10,047 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 19:59:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions. [2025-02-07 19:59:10,048 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 54 [2025-02-07 19:59:10,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:59:10,050 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions. [2025-02-07 19:59:10,050 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 19:59:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2025-02-07 19:59:10,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-07 19:59:10,051 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:59:10,051 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 19:59:10,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2025-02-07 19:59:10,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2025-02-07 19:59:10,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 19:59:10,456 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:59:10,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:59:10,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1608382658, now seen corresponding path program 1 times [2025-02-07 19:59:10,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:59:10,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292304250] [2025-02-07 19:59:10,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:59:10,458 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 19:59:10,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:59:10,460 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-07 19:59:10,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2025-02-07 19:59:10,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-07 19:59:11,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-07 19:59:11,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:59:11,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:59:11,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-07 19:59:11,451 INFO L279 TraceCheckSpWp]: Computing forward predicates...