./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0877.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0877.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:19:36,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:19:36,944 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 16:19:36,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:19:36,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:19:36,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:19:36,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:19:36,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:19:36,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:19:36,965 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:19:36,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:19:36,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:19:36,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:19:36,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:19:36,965 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:19:36,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:19:36,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:19:36,967 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:19:36,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:19:36,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:19:36,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 16:19:36,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 16:19:36,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:19:36,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:19:36,968 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:19:36,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:19:36,968 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 [2025-03-16 16:19:37,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:19:37,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:19:37,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:19:37,181 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:19:37,182 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:19:37,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2025-03-16 16:19:38,329 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670620160/814f8b767a7342e1bf50b1939ab95388/FLAG7732d8880 [2025-03-16 16:19:38,570 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:19:38,571 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2025-03-16 16:19:38,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670620160/814f8b767a7342e1bf50b1939ab95388/FLAG7732d8880 [2025-03-16 16:19:38,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670620160/814f8b767a7342e1bf50b1939ab95388 [2025-03-16 16:19:38,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:19:38,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:19:38,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:19:38,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:19:38,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:19:38,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:19:38" (1/1) ... [2025-03-16 16:19:38,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c7e046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:38, skipping insertion in model container [2025-03-16 16:19:38,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:19:38" (1/1) ... [2025-03-16 16:19:38,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:19:39,058 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:618) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:3119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$137(StandardFunctionHandler.java:602) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:197) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1839) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1816) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-16 16:19:39,066 INFO L158 Benchmark]: Toolchain (without parser) took 171.03ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 111.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:19:39,066 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:19:39,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.54ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 111.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:19:39,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.54ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 111.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:618) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0877.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:19:40,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:19:40,877 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 16:19:40,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:19:40,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:19:40,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:19:40,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:19:40,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:19:40,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:19:40,901 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:19:40,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:19:40,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:19:40,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:19:40,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:19:40,902 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:19:40,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:19:40,903 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:19:40,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:19:40,903 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:19:40,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:19:40,904 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 16:19:40,904 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 16:19:40,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:19:40,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:19:40,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:19:40,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:19:40,904 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 [2025-03-16 16:19:41,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:19:41,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:19:41,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:19:41,161 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:19:41,163 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:19:41,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2025-03-16 16:19:42,293 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5704455/3621954c9bed4ef6915a8bd40107c590/FLAG683f7e8ab [2025-03-16 16:19:42,527 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:19:42,527 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2025-03-16 16:19:42,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5704455/3621954c9bed4ef6915a8bd40107c590/FLAG683f7e8ab [2025-03-16 16:19:42,857 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5704455/3621954c9bed4ef6915a8bd40107c590 [2025-03-16 16:19:42,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:19:42,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:19:42,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:19:42,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:19:42,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:19:42,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:19:42" (1/1) ... [2025-03-16 16:19:42,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b135487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:42, skipping insertion in model container [2025-03-16 16:19:42,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:19:42" (1/1) ... [2025-03-16 16:19:42,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:19:43,127 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0877.c[14284,14297] [2025-03-16 16:19:43,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:19:43,138 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:19:43,206 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0877.c[14284,14297] [2025-03-16 16:19:43,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:19:43,226 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:19:43,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43 WrapperNode [2025-03-16 16:19:43,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:19:43,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:19:43,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:19:43,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:19:43,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,285 INFO L138 Inliner]: procedures = 27, calls = 197, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 714 [2025-03-16 16:19:43,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:19:43,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:19:43,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:19:43,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:19:43,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,301 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,330 INFO L175 MemorySlicer]: Split 86 memory accesses to 40 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 4, 2, 2, 3, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0]. The 35 writes are split as follows [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1]. [2025-03-16 16:19:43,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,373 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:19:43,408 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:19:43,408 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:19:43,408 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:19:43,410 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (1/1) ... [2025-03-16 16:19:43,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:19:43,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:19:43,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 16:19:43,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 16:19:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:19:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 16:19:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-16 16:19:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-16 16:19:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-16 16:19:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-16 16:19:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-16 16:19:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2025-03-16 16:19:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2025-03-16 16:19:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#28 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#29 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#30 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#31 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#32 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#33 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#34 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#35 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#36 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#37 [2025-03-16 16:19:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#38 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#39 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#19 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#20 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#21 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#22 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#23 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#24 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#25 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#26 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#27 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#28 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#29 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#30 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#31 [2025-03-16 16:19:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#32 [2025-03-16 16:19:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#33 [2025-03-16 16:19:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#34 [2025-03-16 16:19:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#35 [2025-03-16 16:19:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#36 [2025-03-16 16:19:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#37 [2025-03-16 16:19:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#38 [2025-03-16 16:19:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#39 [2025-03-16 16:19:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-03-16 16:19:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-03-16 16:19:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-16 16:19:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-16 16:19:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-16 16:19:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-16 16:19:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-16 16:19:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-16 16:19:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-16 16:19:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#28 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#29 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#30 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#31 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#32 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#33 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#34 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#35 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#36 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#37 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#38 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#39 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-16 16:19:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#19 [2025-03-16 16:19:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#20 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#21 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#22 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#23 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#24 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#25 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#26 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#27 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#28 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#29 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#30 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#31 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#32 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#33 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#34 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#35 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#36 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#37 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#38 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#39 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2025-03-16 16:19:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#19 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#20 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#21 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#22 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#23 [2025-03-16 16:19:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#24 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#25 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#26 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#27 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#28 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#29 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#30 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#31 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#32 [2025-03-16 16:19:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#33 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#34 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#35 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#36 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#37 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#38 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#39 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:19:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-16 16:19:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2025-03-16 16:19:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#28 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#29 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#30 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#31 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#32 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#33 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#34 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#35 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#36 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#37 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#38 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#39 [2025-03-16 16:19:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 16:19:43,784 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:19:43,785 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 16:20:29,069 INFO L? ?]: Removed 155 outVars from TransFormulas that were not future-live. [2025-03-16 16:20:29,069 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 16:20:29,082 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 16:20:29,082 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 16:20:29,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:20:29 BoogieIcfgContainer [2025-03-16 16:20:29,082 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 16:20:29,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 16:20:29,085 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 16:20:29,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 16:20:29,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:19:42" (1/3) ... [2025-03-16 16:20:29,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1817aa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:20:29, skipping insertion in model container [2025-03-16 16:20:29,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:43" (2/3) ... [2025-03-16 16:20:29,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1817aa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:20:29, skipping insertion in model container [2025-03-16 16:20:29,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:20:29" (3/3) ... [2025-03-16 16:20:29,090 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0877.c [2025-03-16 16:20:29,099 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 16:20:29,101 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0877.c that has 3 procedures, 187 locations, 1 initial locations, 37 loop locations, and 1 error locations. [2025-03-16 16:20:29,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 16:20:29,152 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;@636cdc58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 16:20:29,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 16:20:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 178 states have (on average 1.7303370786516854) internal successors, (308), 179 states have internal predecessors, (308), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-16 16:20:29,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-16 16:20:29,163 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:29,163 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:20:29,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:29,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:29,167 INFO L85 PathProgramCache]: Analyzing trace with hash 722677332, now seen corresponding path program 1 times [2025-03-16 16:20:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:29,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390274737] [2025-03-16 16:20:29,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:29,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:29,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:29,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:20:29,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-16 16:20:29,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-16 16:20:29,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-16 16:20:29,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:29,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:29,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 16:20:29,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:30,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:20:30,013 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:30,014 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:30,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390274737] [2025-03-16 16:20:30,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390274737] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:30,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:30,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 16:20:30,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199037356] [2025-03-16 16:20:30,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:30,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 16:20:30,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:30,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 16:20:30,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:20:30,034 INFO L87 Difference]: Start difference. First operand has 187 states, 178 states have (on average 1.7303370786516854) internal successors, (308), 179 states have internal predecessors, (308), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:30,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:30,062 INFO L93 Difference]: Finished difference Result 372 states and 638 transitions. [2025-03-16 16:20:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 16:20:30,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 18 [2025-03-16 16:20:30,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:30,068 INFO L225 Difference]: With dead ends: 372 [2025-03-16 16:20:30,068 INFO L226 Difference]: Without dead ends: 183 [2025-03-16 16:20:30,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:20:30,072 INFO L435 NwaCegarLoop]: 247 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, 247 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:30,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 16:20:30,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2025-03-16 16:20:30,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2025-03-16 16:20:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 175 states have (on average 1.3257142857142856) internal successors, (232), 175 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-16 16:20:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 242 transitions. [2025-03-16 16:20:30,108 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 242 transitions. Word has length 18 [2025-03-16 16:20:30,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:30,109 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 242 transitions. [2025-03-16 16:20:30,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2025-03-16 16:20:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-16 16:20:30,110 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:30,110 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:20:30,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-16 16:20:30,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:30,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:30,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:30,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1681305169, now seen corresponding path program 1 times [2025-03-16 16:20:30,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:30,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749743895] [2025-03-16 16:20:30,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:30,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:30,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:30,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:20:30,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-16 16:20:30,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-16 16:20:31,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-16 16:20:31,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:31,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:31,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-16 16:20:31,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:20:32,214 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:32,214 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:32,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749743895] [2025-03-16 16:20:32,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749743895] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:32,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:32,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-16 16:20:32,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266134279] [2025-03-16 16:20:32,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:32,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 16:20:32,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:32,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 16:20:32,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-16 16:20:32,216 INFO L87 Difference]: Start difference. First operand 183 states and 242 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:33,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:33,353 INFO L93 Difference]: Finished difference Result 202 states and 262 transitions. [2025-03-16 16:20:33,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 16:20:33,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 23 [2025-03-16 16:20:33,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:33,354 INFO L225 Difference]: With dead ends: 202 [2025-03-16 16:20:33,354 INFO L226 Difference]: Without dead ends: 32 [2025-03-16 16:20:33,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-16 16:20:33,355 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 31 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:33,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 102 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-16 16:20:33,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-03-16 16:20:33,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2025-03-16 16:20:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2025-03-16 16:20:33,358 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 23 [2025-03-16 16:20:33,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:33,359 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2025-03-16 16:20:33,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:33,359 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2025-03-16 16:20:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-16 16:20:33,359 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:33,359 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:20:33,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-16 16:20:33,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:33,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:33,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:33,560 INFO L85 PathProgramCache]: Analyzing trace with hash -584188947, now seen corresponding path program 1 times [2025-03-16 16:20:33,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:33,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468992845] [2025-03-16 16:20:33,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:33,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:33,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:33,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:20:33,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-16 16:20:33,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-16 16:20:34,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-16 16:20:34,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:34,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:34,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-16 16:20:34,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:20:35,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:35,703 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:35,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468992845] [2025-03-16 16:20:35,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468992845] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:35,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:35,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-16 16:20:35,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519026560] [2025-03-16 16:20:35,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:35,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-16 16:20:35,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:35,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-16 16:20:35,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-16 16:20:35,704 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:37,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:37,430 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2025-03-16 16:20:37,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 16:20:37,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 25 [2025-03-16 16:20:37,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:37,432 INFO L225 Difference]: With dead ends: 39 [2025-03-16 16:20:37,432 INFO L226 Difference]: Without dead ends: 32 [2025-03-16 16:20:37,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-16 16:20:37,432 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:37,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 116 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-16 16:20:37,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-03-16 16:20:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2025-03-16 16:20:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2025-03-16 16:20:37,441 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 25 [2025-03-16 16:20:37,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:37,442 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2025-03-16 16:20:37,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2025-03-16 16:20:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-16 16:20:37,442 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:37,442 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:20:37,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-03-16 16:20:37,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:37,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:37,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:37,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1190818415, now seen corresponding path program 1 times [2025-03-16 16:20:37,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:37,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44840258] [2025-03-16 16:20:37,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:37,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:37,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:37,648 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:20:37,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-16 16:20:37,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-16 16:20:38,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-16 16:20:38,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:38,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:38,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-16 16:20:38,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:38,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-16 16:20:38,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2025-03-16 16:20:41,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-16 16:20:41,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2025-03-16 16:20:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:20:43,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:43,329 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:43,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44840258] [2025-03-16 16:20:43,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44840258] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:43,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:43,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-16 16:20:43,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719279537] [2025-03-16 16:20:43,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:43,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-16 16:20:43,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:43,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-16 16:20:43,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2025-03-16 16:20:43,330 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:49,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:49,523 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2025-03-16 16:20:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-16 16:20:49,524 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 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 25 [2025-03-16 16:20:49,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:49,524 INFO L225 Difference]: With dead ends: 39 [2025-03-16 16:20:49,524 INFO L226 Difference]: Without dead ends: 31 [2025-03-16 16:20:49,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2025-03-16 16:20:49,525 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:49,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 141 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-16 16:20:49,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-03-16 16:20:49,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2025-03-16 16:20:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2025-03-16 16:20:49,527 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 25 [2025-03-16 16:20:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:49,527 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2025-03-16 16:20:49,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:49,527 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2025-03-16 16:20:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-16 16:20:49,528 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:49,528 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:20:49,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-16 16:20:49,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:49,728 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:49,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:49,729 INFO L85 PathProgramCache]: Analyzing trace with hash 556820802, now seen corresponding path program 1 times [2025-03-16 16:20:49,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:49,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215674623] [2025-03-16 16:20:49,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:49,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:49,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:49,731 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:20:49,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-03-16 16:20:49,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-16 16:20:50,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-16 16:20:50,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:50,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:50,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-16 16:20:50,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:20:54,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:54,459 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:54,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215674623] [2025-03-16 16:20:54,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215674623] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:54,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:54,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-16 16:20:54,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427786987] [2025-03-16 16:20:54,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:54,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-16 16:20:54,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:54,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-16 16:20:54,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-16 16:20:54,461 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:57,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:57,940 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2025-03-16 16:20:57,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-16 16:20:57,941 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 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 27 [2025-03-16 16:20:57,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:57,941 INFO L225 Difference]: With dead ends: 37 [2025-03-16 16:20:57,941 INFO L226 Difference]: Without dead ends: 30 [2025-03-16 16:20:57,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2025-03-16 16:20:57,942 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 30 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:57,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 132 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-16 16:20:57,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-03-16 16:20:57,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2025-03-16 16:20:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2025-03-16 16:20:57,945 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 27 [2025-03-16 16:20:57,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:57,945 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2025-03-16 16:20:57,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:20:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2025-03-16 16:20:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-16 16:20:57,945 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:57,945 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:20:57,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2025-03-16 16:20:58,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:58,146 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:58,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:58,146 INFO L85 PathProgramCache]: Analyzing trace with hash 401817196, now seen corresponding path program 1 times [2025-03-16 16:20:58,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:58,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71446208] [2025-03-16 16:20:58,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:58,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:58,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:58,149 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:20:58,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2025-03-16 16:20:58,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-16 16:20:58,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-16 16:20:58,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:58,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:59,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-16 16:20:59,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:21:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:21:01,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:21:01,688 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:21:01,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71446208] [2025-03-16 16:21:01,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71446208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:21:01,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:21:01,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-16 16:21:01,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905826723] [2025-03-16 16:21:01,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:21:01,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-16 16:21:01,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:21:01,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-16 16:21:01,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-16 16:21:01,689 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:21:02,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:21:02,729 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2025-03-16 16:21:02,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-16 16:21:02,729 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 28 [2025-03-16 16:21:02,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:21:02,730 INFO L225 Difference]: With dead ends: 30 [2025-03-16 16:21:02,730 INFO L226 Difference]: Without dead ends: 0 [2025-03-16 16:21:02,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-16 16:21:02,730 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 6 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-16 16:21:02,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 134 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-16 16:21:02,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-16 16:21:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-16 16:21:02,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:21:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-16 16:21:02,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2025-03-16 16:21:02,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:21:02,731 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-16 16:21:02,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-16 16:21:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-16 16:21:02,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-16 16:21:02,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 16:21:02,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2025-03-16 16:21:02,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:21:02,937 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-16 16:21:02,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-16 16:21:04,639 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 16:21:04,649 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,649 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,649 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,649 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,650 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-03-16 16:21:04,650 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,650 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:21:04 BoogieIcfgContainer [2025-03-16 16:21:04,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 16:21:04,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 16:21:04,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 16:21:04,653 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 16:21:04,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:20:29" (3/4) ... [2025-03-16 16:21:04,655 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-16 16:21:04,658 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure fabs_float [2025-03-16 16:21:04,658 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure copysign_float [2025-03-16 16:21:04,669 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2025-03-16 16:21:04,669 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2025-03-16 16:21:04,670 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-16 16:21:04,670 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-16 16:21:04,691 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2025-03-16 16:21:04,691 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2025-03-16 16:21:04,745 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2025-03-16 16:21:04,746 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2025-03-16 16:21:04,791 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-16 16:21:04,795 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-16 16:21:04,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 16:21:04,795 INFO L158 Benchmark]: Toolchain (without parser) took 81935.07ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 17.0MB in the end (delta: 42.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,795 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:21:04,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.44ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 36.0MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.78ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 31.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:21:04,796 INFO L158 Benchmark]: Boogie Preprocessor took 119.58ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 22.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,796 INFO L158 Benchmark]: IcfgBuilder took 45674.35ms. Allocated memory is still 83.9MB. Free memory was 22.0MB in the beginning and 48.3MB in the end (delta: -26.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,796 INFO L158 Benchmark]: TraceAbstraction took 35568.12ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 30.7MB in the end (delta: 16.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,797 INFO L158 Benchmark]: Witness Printer took 142.21ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 17.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.44ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 36.0MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.78ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 31.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 119.58ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 22.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 45674.35ms. Allocated memory is still 83.9MB. Free memory was 22.0MB in the beginning and 48.3MB in the end (delta: -26.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * TraceAbstraction took 35568.12ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 30.7MB in the end (delta: 16.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Witness Printer took 142.21ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 17.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 629]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 187 locations, 323 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 872 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 522 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 350 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 140 ConstructedInterpolants, 61 QuantifiedInterpolants, 1628 SizeOfPredicates, 33 NumberOfNonLiveVariables, 996 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 580]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 472]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 433]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 458]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 218]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 205]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 177]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 552]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 133]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 424]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 231]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 541]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 405]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 375]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 516]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 147]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 179]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 252]: Location Invariant Derived location invariant: (x == \old(x)) - InvariantResult [Line: 387]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 571]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 245]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 116]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 177]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 297]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 297]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 254]: Location Invariant Derived location invariant: (x == \old(x)) - InvariantResult [Line: 503]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 488]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 170]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-16 16:21:04,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE