./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2c3d1c1a9730ad8017a2a4de6875db5261761e32583bded19977033ad1e5e8e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 02:15:42,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 02:15:42,546 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 02:15:42,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 02:15:42,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 02:15:42,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 02:15:42,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 02:15:42,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 02:15:42,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 02:15:42,577 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 02:15:42,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 02:15:42,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 02:15:42,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 02:15:42,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 02:15:42,577 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 02:15:42,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 02:15:42,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:15:42,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:15:42,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:15:42,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:15:42,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:15:42,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 02:15:42,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 02:15:42,579 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 02:15:42,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 02:15:42,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 02:15:42,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 02:15:42,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 02:15:42,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 02:15:42,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 02:15:42,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 02:15:42,580 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 -> d2c3d1c1a9730ad8017a2a4de6875db5261761e32583bded19977033ad1e5e8e [2025-01-09 02:15:42,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 02:15:42,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 02:15:42,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 02:15:42,860 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 02:15:42,860 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 02:15:42,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i [2025-01-09 02:15:44,073 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59639c73e/8514031b460e4d8f9d65078a9a7a7e43/FLAG2068bc393 [2025-01-09 02:15:44,530 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 02:15:44,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i [2025-01-09 02:15:44,559 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59639c73e/8514031b460e4d8f9d65078a9a7a7e43/FLAG2068bc393 [2025-01-09 02:15:44,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59639c73e/8514031b460e4d8f9d65078a9a7a7e43 [2025-01-09 02:15:44,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 02:15:44,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 02:15:44,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 02:15:44,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 02:15:44,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 02:15:44,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:44" (1/1) ... [2025-01-09 02:15:44,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40865225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:44, skipping insertion in model container [2025-01-09 02:15:44,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:44" (1/1) ... [2025-01-09 02:15:44,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 02:15:45,215 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:1535) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3266) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3110) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2345) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1265) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-01-09 02:15:45,221 INFO L158 Benchmark]: Toolchain (without parser) took 571.26ms. Allocated memory is still 201.3MB. Free memory was 150.9MB in the beginning and 131.2MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 02:15:45,221 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:15:45,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.70ms. Allocated memory is still 201.3MB. Free memory was 150.5MB in the beginning and 131.2MB in the end (delta: 19.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 02:15:45,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.70ms. Allocated memory is still 201.3MB. Free memory was 150.5MB in the beginning and 131.2MB in the end (delta: 19.3MB). 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/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2c3d1c1a9730ad8017a2a4de6875db5261761e32583bded19977033ad1e5e8e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 02:15:47,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 02:15:47,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 02:15:47,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 02:15:47,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 02:15:47,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 02:15:47,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 02:15:47,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 02:15:47,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 02:15:47,138 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 02:15:47,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 02:15:47,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 02:15:47,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 02:15:47,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 02:15:47,140 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:15:47,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:15:47,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 02:15:47,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 02:15:47,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 02:15:47,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 02:15:47,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 02:15:47,141 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 -> d2c3d1c1a9730ad8017a2a4de6875db5261761e32583bded19977033ad1e5e8e [2025-01-09 02:15:47,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 02:15:47,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 02:15:47,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 02:15:47,383 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 02:15:47,383 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 02:15:47,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i [2025-01-09 02:15:48,588 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b76462e9/af4a03a31d4f471db6f9bd8ae95187c3/FLAG955e95eee [2025-01-09 02:15:48,914 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 02:15:48,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i [2025-01-09 02:15:48,940 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b76462e9/af4a03a31d4f471db6f9bd8ae95187c3/FLAG955e95eee [2025-01-09 02:15:49,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b76462e9/af4a03a31d4f471db6f9bd8ae95187c3 [2025-01-09 02:15:49,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 02:15:49,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 02:15:49,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 02:15:49,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 02:15:49,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 02:15:49,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:49" (1/1) ... [2025-01-09 02:15:49,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a598f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:49, skipping insertion in model container [2025-01-09 02:15:49,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:49" (1/1) ... [2025-01-09 02:15:49,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 02:15:49,876 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/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i[71475,71488] [2025-01-09 02:15:50,094 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-01-09 02:15:50,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:15:50,106 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 02:15:50,161 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/poly_4_4_4_4_thresh_1_safe.c-amalgamation.i[71475,71488] [2025-01-09 02:15:50,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:15:50,488 INFO L204 MainTranslator]: Completed translation [2025-01-09 02:15:50,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50 WrapperNode [2025-01-09 02:15:50,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 02:15:50,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 02:15:50,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 02:15:50,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 02:15:50,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,580 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1121 [2025-01-09 02:15:50,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 02:15:50,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 02:15:50,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 02:15:50,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 02:15:50,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,632 INFO L175 MemorySlicer]: Split 423 memory accesses to 16 slices as follows [2, 7, 2, 4, 2, 4, 6, 4, 2, 117, 44, 3, 85, 4, 19, 118]. 28 percent of accesses are in the largest equivalence class. The 257 initializations are split as follows [2, 7, 2, 1, 0, 0, 0, 1, 0, 26, 40, 0, 73, 0, 17, 88]. The 84 writes are split as follows [0, 0, 0, 0, 1, 2, 3, 0, 1, 69, 0, 2, 4, 2, 0, 0]. [2025-01-09 02:15:50,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,669 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 02:15:50,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 02:15:50,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 02:15:50,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 02:15:50,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (1/1) ... [2025-01-09 02:15:50,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:15:50,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:15:50,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 02:15:50,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 02:15:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-01-09 02:15:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-01-09 02:15:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-01-09 02:15:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-01-09 02:15:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-01-09 02:15:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-01-09 02:15:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 02:15:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-01-09 02:15:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-01-09 02:15:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 02:15:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 02:15:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 02:15:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 02:15:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 02:15:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 02:15:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2025-01-09 02:15:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2025-01-09 02:15:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-01-09 02:15:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-01-09 02:15:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2025-01-09 02:15:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-01-09 02:15:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2025-01-09 02:15:50,759 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-01-09 02:15:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-01-09 02:15:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-01-09 02:15:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-01-09 02:15:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-01-09 02:15:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-01-09 02:15:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-01-09 02:15:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-01-09 02:15:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-01-09 02:15:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-01-09 02:15:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-01-09 02:15:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-01-09 02:15:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-01-09 02:15:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 02:15:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 02:15:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 02:15:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 02:15:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2025-01-09 02:15:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2025-01-09 02:15:51,028 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 02:15:51,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 02:16:15,557 INFO L? ?]: Removed 252 outVars from TransFormulas that were not future-live. [2025-01-09 02:16:15,557 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 02:16:15,567 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 02:16:15,567 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-09 02:16:15,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:16:15 BoogieIcfgContainer [2025-01-09 02:16:15,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 02:16:15,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 02:16:15,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 02:16:15,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 02:16:15,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:15:49" (1/3) ... [2025-01-09 02:16:15,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d73987d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:16:15, skipping insertion in model container [2025-01-09 02:16:15,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:50" (2/3) ... [2025-01-09 02:16:15,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d73987d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:16:15, skipping insertion in model container [2025-01-09 02:16:15,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:16:15" (3/3) ... [2025-01-09 02:16:15,574 INFO L128 eAbstractionObserver]: Analyzing ICFG poly_4_4_4_4_thresh_1_safe.c-amalgamation.i [2025-01-09 02:16:15,583 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 02:16:15,584 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_4_4_4_4_thresh_1_safe.c-amalgamation.i that has 21 procedures, 205 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2025-01-09 02:16:15,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 02:16:15,633 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;@5fb2d3aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 02:16:15,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 02:16:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 125 states have (on average 1.568) internal successors, (196), 126 states have internal predecessors, (196), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-09 02:16:15,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 02:16:15,649 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:16:15,650 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:16:15,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:16:15,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:16:15,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1597409669, now seen corresponding path program 1 times [2025-01-09 02:16:15,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 02:16:15,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183511005] [2025-01-09 02:16:15,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:16:15,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 02:16:15,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 02:16:15,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 02:16:15,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 02:16:16,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 02:16:17,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 02:16:17,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:16:17,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:16:17,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 02:16:17,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:16:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-09 02:16:17,766 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 02:16:17,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 02:16:17,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183511005] [2025-01-09 02:16:17,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183511005] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 02:16:17,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 02:16:17,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 02:16:17,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487436933] [2025-01-09 02:16:17,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 02:16:17,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 02:16:17,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 02:16:17,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 02:16:17,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 02:16:17,783 INFO L87 Difference]: Start difference. First operand has 145 states, 125 states have (on average 1.568) internal successors, (196), 126 states have internal predecessors, (196), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-01-09 02:16:17,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:16:17,807 INFO L93 Difference]: Finished difference Result 287 states and 445 transitions. [2025-01-09 02:16:17,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 02:16:17,808 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 123 [2025-01-09 02:16:17,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:16:17,813 INFO L225 Difference]: With dead ends: 287 [2025-01-09 02:16:17,813 INFO L226 Difference]: Without dead ends: 141 [2025-01-09 02:16:17,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 02:16:17,818 INFO L435 NwaCegarLoop]: 216 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, 216 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 [2025-01-09 02:16:17,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 02:16:17,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-01-09 02:16:17,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2025-01-09 02:16:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 122 states have (on average 1.5245901639344261) internal successors, (186), 122 states have internal predecessors, (186), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-09 02:16:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 212 transitions. [2025-01-09 02:16:17,844 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 212 transitions. Word has length 123 [2025-01-09 02:16:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:16:17,844 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 212 transitions. [2025-01-09 02:16:17,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-01-09 02:16:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2025-01-09 02:16:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 02:16:17,849 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:16:17,849 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:16:17,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 02:16:18,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 02:16:18,052 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:16:18,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:16:18,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1109362563, now seen corresponding path program 1 times [2025-01-09 02:16:18,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 02:16:18,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237625991] [2025-01-09 02:16:18,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:16:18,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 02:16:18,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 02:16:18,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 02:16:18,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 02:16:18,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 02:16:21,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 02:16:21,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:16:21,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:16:21,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-09 02:16:21,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:16:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-01-09 02:16:23,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 02:16:23,184 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 02:16:23,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237625991] [2025-01-09 02:16:23,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237625991] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 02:16:23,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 02:16:23,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-09 02:16:23,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6651569] [2025-01-09 02:16:23,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 02:16:23,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 02:16:23,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 02:16:23,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 02:16:23,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-09 02:16:23,186 INFO L87 Difference]: Start difference. First operand 141 states and 212 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-09 02:16:27,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 02:16:31,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:16:35,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:16:39,383 WARN L539 Checker$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] [2025-01-09 02:16:43,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 02:16:48,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:16:48,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:16:48,205 INFO L93 Difference]: Finished difference Result 288 states and 438 transitions. [2025-01-09 02:16:48,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 02:16:48,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 123 [2025-01-09 02:16:48,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:16:48,210 INFO L225 Difference]: With dead ends: 288 [2025-01-09 02:16:48,210 INFO L226 Difference]: Without dead ends: 152 [2025-01-09 02:16:48,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-01-09 02:16:48,212 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 203 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 19 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2025-01-09 02:16:48,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 1070 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 237 Invalid, 5 Unknown, 0 Unchecked, 24.4s Time] [2025-01-09 02:16:48,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-01-09 02:16:48,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2025-01-09 02:16:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 130 states have (on average 1.5153846153846153) internal successors, (197), 131 states have internal predecessors, (197), 15 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (19), 15 states have call predecessors, (19), 15 states have call successors, (19) [2025-01-09 02:16:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 231 transitions. [2025-01-09 02:16:48,233 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 231 transitions. Word has length 123 [2025-01-09 02:16:48,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:16:48,233 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 231 transitions. [2025-01-09 02:16:48,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-09 02:16:48,233 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2025-01-09 02:16:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 02:16:48,240 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:16:48,240 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:16:48,287 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 (3)] Forceful destruction successful, exit code 0 [2025-01-09 02:16:48,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 02:16:48,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:16:48,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:16:48,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1442005701, now seen corresponding path program 1 times [2025-01-09 02:16:48,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 02:16:48,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211669048] [2025-01-09 02:16:48,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:16:48,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 02:16:48,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 02:16:48,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 02:16:48,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-01-09 02:16:49,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 02:16:51,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 02:16:51,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:16:51,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:16:51,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-09 02:16:51,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:16:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-01-09 02:16:53,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 02:16:53,506 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 02:16:53,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211669048] [2025-01-09 02:16:53,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211669048] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 02:16:53,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 02:16:53,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-09 02:16:53,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73334940] [2025-01-09 02:16:53,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 02:16:53,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-09 02:16:53,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 02:16:53,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-09 02:16:53,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-01-09 02:16:53,507 INFO L87 Difference]: Start difference. First operand 152 states and 231 transitions. Second operand has 11 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-09 02:16:57,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:17:01,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:17:05,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:17:09,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:17:13,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:17:17,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:17:21,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 02:17:26,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]