./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0876.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_0876.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 eab96e82dec8c6a03938c46f142ce8ca8e84f75603faad2ada4530990f260568 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:19:25,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:19:25,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 16:19:25,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:19:25,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:19:25,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:19:25,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:19:25,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:19:25,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:19:25,197 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:19:25,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:19:25,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:19:25,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:19:25,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:19:25,199 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:19:25,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:19:25,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:19:25,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:19:25,200 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 -> eab96e82dec8c6a03938c46f142ce8ca8e84f75603faad2ada4530990f260568 [2025-03-16 16:19:25,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:19:25,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:19:25,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:19:25,433 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:19:25,433 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:19:25,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0876.c [2025-03-16 16:19:26,569 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8c175e9/d470fe7e1f87435eae3bf5fb492d154f/FLAG61699e3a7 [2025-03-16 16:19:26,835 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:19:26,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0876.c [2025-03-16 16:19:26,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8c175e9/d470fe7e1f87435eae3bf5fb492d154f/FLAG61699e3a7 [2025-03-16 16:19:27,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8c175e9/d470fe7e1f87435eae3bf5fb492d154f [2025-03-16 16:19:27,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:19:27,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:19:27,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:19:27,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:19:27,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:19:27,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:19:27" (1/1) ... [2025-03-16 16:19:27,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79fd4485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:27, skipping insertion in model container [2025-03-16 16:19:27,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:19:27" (1/1) ... [2025-03-16 16:19:27,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:19:27,344 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 16:19:27,352 INFO L158 Benchmark]: Toolchain (without parser) took 206.80ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 100.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:19:27,353 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:19:27,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.15ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 100.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:19:27,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.15ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 100.2MB in the end (delta: 11.9MB). 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_0876.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 eab96e82dec8c6a03938c46f142ce8ca8e84f75603faad2ada4530990f260568 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:19:28,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:19:28,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 16:19:28,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:19:28,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:19:29,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:19:29,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:19:29,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:19:29,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:19:29,025 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:19:29,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:19:29,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:19:29,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:19:29,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:19:29,025 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:19:29,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:19:29,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:19:29,025 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:19:29,026 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:19:29,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:19:29,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:19:29,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:19:29,027 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 -> eab96e82dec8c6a03938c46f142ce8ca8e84f75603faad2ada4530990f260568 [2025-03-16 16:19:29,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:19:29,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:19:29,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:19:29,251 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:19:29,252 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:19:29,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0876.c [2025-03-16 16:19:30,368 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/415b14629/375e1e29e7fc4705b6f488d7794613d8/FLAG290c24072 [2025-03-16 16:19:30,647 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:19:30,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0876.c [2025-03-16 16:19:30,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/415b14629/375e1e29e7fc4705b6f488d7794613d8/FLAG290c24072 [2025-03-16 16:19:30,950 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/415b14629/375e1e29e7fc4705b6f488d7794613d8 [2025-03-16 16:19:30,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:19:30,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:19:30,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:19:30,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:19:30,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:19:30,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:19:30" (1/1) ... [2025-03-16 16:19:30,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa80bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:30, skipping insertion in model container [2025-03-16 16:19:30,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:19:30" (1/1) ... [2025-03-16 16:19:30,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:19:31,207 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_0876.c[14082,14095] [2025-03-16 16:19:31,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:19:31,226 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:19:31,288 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_0876.c[14082,14095] [2025-03-16 16:19:31,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:19:31,302 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:19:31,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31 WrapperNode [2025-03-16 16:19:31,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:19:31,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:19:31,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:19:31,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:19:31,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,349 INFO L138 Inliner]: procedures = 26, calls = 193, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 718 [2025-03-16 16:19:31,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:19:31,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:19:31,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:19:31,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:19:31,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,382 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, 2, 5, 2, 4, 2, 3, 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, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 2, 0, 2, 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, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1]. [2025-03-16 16:19:31,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,420 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:19:31,461 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:19:31,461 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:19:31,462 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:19:31,463 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (1/1) ... [2025-03-16 16:19:31,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:19:31,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:19:31,487 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 16:19:31,489 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 16:19:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:19:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 16:19:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-16 16:19:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-03-16 16:19:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2025-03-16 16:19:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2025-03-16 16:19:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2025-03-16 16:19:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2025-03-16 16:19:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2025-03-16 16:19:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#28 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#29 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#30 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#31 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#32 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#33 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#34 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#35 [2025-03-16 16:19:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#36 [2025-03-16 16:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#37 [2025-03-16 16:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#38 [2025-03-16 16:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#39 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-03-16 16:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#19 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#20 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#21 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#22 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#23 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#24 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#25 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#26 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#27 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#28 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#29 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#30 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#31 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#32 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#33 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#34 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#35 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#36 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#37 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#38 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#39 [2025-03-16 16:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-03-16 16:19:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-03-16 16:19:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#28 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#29 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#30 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#31 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#32 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#33 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#34 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#35 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#36 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#37 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#38 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#39 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-03-16 16:19:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#19 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#20 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#21 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#22 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#23 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#24 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#25 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#26 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#27 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#28 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#29 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#30 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#31 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#32 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#33 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#34 [2025-03-16 16:19:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#35 [2025-03-16 16:19:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#36 [2025-03-16 16:19:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#37 [2025-03-16 16:19:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#38 [2025-03-16 16:19:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#39 [2025-03-16 16:19:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2025-03-16 16:19:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-03-16 16:19:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#19 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#20 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#21 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#22 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#23 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#24 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#25 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#26 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#27 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#28 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#29 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#30 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#31 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#32 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#33 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#34 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#35 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#36 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#37 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#38 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#39 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:19:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-03-16 16:19:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#28 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#29 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#30 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#31 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#32 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#33 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#34 [2025-03-16 16:19:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#35 [2025-03-16 16:19:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#36 [2025-03-16 16:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#37 [2025-03-16 16:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#38 [2025-03-16 16:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#39 [2025-03-16 16:19:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 16:19:31,833 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:19:31,834 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 16:20:17,376 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2025-03-16 16:20:17,376 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 16:20:17,387 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 16:20:17,387 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 16:20:17,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:20:17 BoogieIcfgContainer [2025-03-16 16:20:17,387 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 16:20:17,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 16:20:17,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 16:20:17,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 16:20:17,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:19:30" (1/3) ... [2025-03-16 16:20:17,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7a862d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:20:17, skipping insertion in model container [2025-03-16 16:20:17,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:19:31" (2/3) ... [2025-03-16 16:20:17,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7a862d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:20:17, skipping insertion in model container [2025-03-16 16:20:17,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:20:17" (3/3) ... [2025-03-16 16:20:17,394 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0876.c [2025-03-16 16:20:17,405 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 16:20:17,407 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0876.c that has 3 procedures, 188 locations, 1 initial locations, 37 loop locations, and 1 error locations. [2025-03-16 16:20:17,454 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 16:20:17,463 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;@2f07a287, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 16:20:17,464 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 16:20:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 179 states have (on average 1.7318435754189945) internal successors, (310), 180 states have internal predecessors, (310), 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 16:20:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-16 16:20:17,472 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:17,473 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:20:17,473 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:17,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:17,478 INFO L85 PathProgramCache]: Analyzing trace with hash -165866578, now seen corresponding path program 1 times [2025-03-16 16:20:17,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:17,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526330990] [2025-03-16 16:20:17,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:17,486 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 16:20:17,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:17,491 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 16:20:17,492 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 16:20:17,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-16 16:20:18,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-16 16:20:18,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:18,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:18,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 16:20:18,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:18,328 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 16:20:18,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:18,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:18,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526330990] [2025-03-16 16:20:18,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526330990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:18,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:18,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 16:20:18,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208923270] [2025-03-16 16:20:18,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:18,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 16:20:18,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:18,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 16:20:18,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:20:18,349 INFO L87 Difference]: Start difference. First operand has 188 states, 179 states have (on average 1.7318435754189945) internal successors, (310), 180 states have internal predecessors, (310), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 16:20:18,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:18,378 INFO L93 Difference]: Finished difference Result 374 states and 642 transitions. [2025-03-16 16:20:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 16:20:18,379 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 17 [2025-03-16 16:20:18,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:18,384 INFO L225 Difference]: With dead ends: 374 [2025-03-16 16:20:18,384 INFO L226 Difference]: Without dead ends: 184 [2025-03-16 16:20:18,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 16:20:18,388 INFO L435 NwaCegarLoop]: 249 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, 249 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 16:20:18,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 16:20:18,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-03-16 16:20:18,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2025-03-16 16:20:18,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 176 states have (on average 1.3295454545454546) internal successors, (234), 176 states have internal predecessors, (234), 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 16:20:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 244 transitions. [2025-03-16 16:20:18,422 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 244 transitions. Word has length 17 [2025-03-16 16:20:18,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:18,422 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 244 transitions. [2025-03-16 16:20:18,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 16:20:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2025-03-16 16:20:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-16 16:20:18,423 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:18,423 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] [2025-03-16 16:20:18,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-16 16:20:18,627 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 16:20:18,627 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:18,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash 95624626, now seen corresponding path program 1 times [2025-03-16 16:20:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:18,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705031521] [2025-03-16 16:20:18,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:18,630 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 16:20:18,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:18,632 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 16:20:18,633 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 16:20:18,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-16 16:20:19,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-16 16:20:19,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:19,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:19,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-16 16:20:19,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:20,523 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 16:20:20,523 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:20,523 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:20,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705031521] [2025-03-16 16:20:20,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705031521] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:20,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:20,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-16 16:20:20,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611601264] [2025-03-16 16:20:20,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:20,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 16:20:20,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:20,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 16:20:20,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-16 16:20:20,526 INFO L87 Difference]: Start difference. First operand 184 states and 244 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 16:20:21,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:21,750 INFO L93 Difference]: Finished difference Result 204 states and 266 transitions. [2025-03-16 16:20:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 16:20:21,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 21 [2025-03-16 16:20:21,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:21,751 INFO L225 Difference]: With dead ends: 204 [2025-03-16 16:20:21,751 INFO L226 Difference]: Without dead ends: 33 [2025-03-16 16:20:21,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 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 16:20:21,752 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 31 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:21,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 112 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-16 16:20:21,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2025-03-16 16:20:21,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2025-03-16 16:20:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 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 16:20:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2025-03-16 16:20:21,755 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 21 [2025-03-16 16:20:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:21,755 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2025-03-16 16:20:21,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 16:20:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2025-03-16 16:20:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-16 16:20:21,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:21,756 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 16:20:21,783 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 16:20:21,956 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 16:20:21,957 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:21,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:21,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1578099022, now seen corresponding path program 1 times [2025-03-16 16:20:21,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:21,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302320316] [2025-03-16 16:20:21,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:21,958 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 16:20:21,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:21,959 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 16:20:21,960 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 16:20:22,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-16 16:20:22,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-16 16:20:22,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:22,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:22,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-16 16:20:22,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:27,803 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 16:20:27,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:27,803 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:27,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302320316] [2025-03-16 16:20:27,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302320316] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:27,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:27,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-16 16:20:27,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013071238] [2025-03-16 16:20:27,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:27,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-16 16:20:27,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:27,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-16 16:20:27,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2025-03-16 16:20:27,805 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 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 16:20:34,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:34,250 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2025-03-16 16:20:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-16 16:20:34,251 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 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 16:20:34,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:34,251 INFO L225 Difference]: With dead ends: 41 [2025-03-16 16:20:34,251 INFO L226 Difference]: Without dead ends: 32 [2025-03-16 16:20:34,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2025-03-16 16:20:34,252 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 43 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:34,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 147 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-16 16:20:34,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-03-16 16:20:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2025-03-16 16:20:34,256 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 16:20:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2025-03-16 16:20:34,257 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 23 [2025-03-16 16:20:34,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:34,257 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2025-03-16 16:20:34,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 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 16:20:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2025-03-16 16:20:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-16 16:20:34,257 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:34,257 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 16:20:34,285 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 16:20:34,458 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 16:20:34,458 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:34,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:34,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1701097851, now seen corresponding path program 1 times [2025-03-16 16:20:34,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:34,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340288889] [2025-03-16 16:20:34,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:34,459 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 16:20:34,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:34,461 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 16:20:34,462 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 16:20:34,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-16 16:20:35,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-16 16:20:35,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:35,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:35,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-16 16:20:35,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:40,922 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 16:20:40,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:40,922 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340288889] [2025-03-16 16:20:40,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340288889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:40,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:40,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-16 16:20:40,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278872957] [2025-03-16 16:20:40,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:40,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-16 16:20:40,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:40,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-16 16:20:40,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-16 16:20:40,923 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 11 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 16:20:46,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:46,026 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2025-03-16 16:20:46,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-16 16:20:46,027 INFO L78 Accepts]: Start accepts. Automaton has has 11 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 16:20:46,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:46,028 INFO L225 Difference]: With dead ends: 39 [2025-03-16 16:20:46,028 INFO L226 Difference]: Without dead ends: 31 [2025-03-16 16:20:46,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2025-03-16 16:20:46,029 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 28 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:46,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 147 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-03-16 16:20:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-03-16 16:20:46,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2025-03-16 16:20:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 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 16:20:46,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2025-03-16 16:20:46,036 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 25 [2025-03-16 16:20:46,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:46,036 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2025-03-16 16:20:46,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 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 16:20:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2025-03-16 16:20:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-16 16:20:46,036 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:46,036 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] [2025-03-16 16:20:46,066 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 16:20:46,237 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 16:20:46,237 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:46,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:46,238 INFO L85 PathProgramCache]: Analyzing trace with hash -794502733, now seen corresponding path program 1 times [2025-03-16 16:20:46,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:46,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900145244] [2025-03-16 16:20:46,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:46,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:20:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:46,240 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 16:20:46,241 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 16:20:46,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-16 16:20:47,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-16 16:20:47,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:47,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:47,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-16 16:20:47,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:48,391 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 16:20:48,427 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 16:20:50,273 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 16:20:50,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:50,273 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:50,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900145244] [2025-03-16 16:20:50,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900145244] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:50,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:50,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-16 16:20:50,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762910535] [2025-03-16 16:20:50,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:50,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-16 16:20:50,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:50,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-16 16:20:50,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-16 16:20:50,274 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 16:20:51,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:20:51,659 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2025-03-16 16:20:51,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-16 16:20:51,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 26 [2025-03-16 16:20:51,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:20:51,660 INFO L225 Difference]: With dead ends: 34 [2025-03-16 16:20:51,660 INFO L226 Difference]: Without dead ends: 31 [2025-03-16 16:20:51,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-16 16:20:51,661 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-16 16:20:51,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 117 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-16 16:20:51,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-03-16 16:20:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2025-03-16 16:20:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 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 16:20:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2025-03-16 16:20:51,663 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 26 [2025-03-16 16:20:51,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:20:51,663 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2025-03-16 16:20:51,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 16:20:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2025-03-16 16:20:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-16 16:20:51,666 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:20:51,667 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, 1] [2025-03-16 16:20:51,695 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 16:20:51,867 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 16:20:51,867 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:20:51,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:20:51,868 INFO L85 PathProgramCache]: Analyzing trace with hash 510975825, now seen corresponding path program 1 times [2025-03-16 16:20:51,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:20:51,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991994799] [2025-03-16 16:20:51,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:20:51,868 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 16:20:51,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:20:51,870 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 16:20:51,871 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 16:20:51,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-16 16:20:52,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-16 16:20:52,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:20:52,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:20:52,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-16 16:20:52,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:20:57,521 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 16:20:57,522 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:20:57,522 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:20:57,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991994799] [2025-03-16 16:20:57,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991994799] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:20:57,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:20:57,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-16 16:20:57,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879837351] [2025-03-16 16:20:57,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:20:57,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-16 16:20:57,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:20:57,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-16 16:20:57,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-16 16:20:57,523 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 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 16:21:00,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:21:00,828 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2025-03-16 16:21:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-16 16:21:00,828 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 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 29 [2025-03-16 16:21:00,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:21:00,828 INFO L225 Difference]: With dead ends: 31 [2025-03-16 16:21:00,828 INFO L226 Difference]: Without dead ends: 0 [2025-03-16 16:21:00,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2025-03-16 16:21:00,829 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-16 16:21:00,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 152 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-16 16:21:00,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-16 16:21:00,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-16 16:21:00,830 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 16:21:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-16 16:21:00,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2025-03-16 16:21:00,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:21:00,830 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-16 16:21:00,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 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 16:21:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-16 16:21:00,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-16 16:21:00,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 16:21:00,864 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 16:21:01,033 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 16:21:01,035 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-16 16:21:01,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-16 16:21:04,771 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 16:21:04,782 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,782 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,782 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,783 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,783 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,783 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-03-16 16:21:04,784 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,786 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,786 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,786 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:21:04,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:21:04 BoogieIcfgContainer [2025-03-16 16:21:04,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 16:21:04,788 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 16:21:04,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 16:21:04,788 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 16:21:04,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:20:17" (3/4) ... [2025-03-16 16:21:04,790 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-16 16:21:04,795 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure fabs_float [2025-03-16 16:21:04,795 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure copysign_float [2025-03-16 16:21:04,804 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2025-03-16 16:21:04,805 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2025-03-16 16:21:04,806 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-16 16:21:04,807 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-16 16:21:04,829 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2025-03-16 16:21:04,829 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2025-03-16 16:21:04,890 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2025-03-16 16:21:04,890 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2025-03-16 16:21:04,949 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-16 16:21:04,950 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-16 16:21:04,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 16:21:04,950 INFO L158 Benchmark]: Toolchain (without parser) took 93997.42ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 72.7MB in the end (delta: 18.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,950 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:21:04,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.27ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 68.4MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.39ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 64.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:21:04,951 INFO L158 Benchmark]: Boogie Preprocessor took 110.48ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 54.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,951 INFO L158 Benchmark]: IcfgBuilder took 45926.13ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 78.1MB in the end (delta: -23.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,951 INFO L158 Benchmark]: TraceAbstraction took 47398.37ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 35.3MB in the end (delta: 42.2MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,951 INFO L158 Benchmark]: Witness Printer took 162.10ms. Allocated memory is still 117.4MB. Free memory was 35.3MB in the beginning and 72.7MB in the end (delta: -37.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:21:04,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.27ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 68.4MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.39ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 64.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 110.48ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 54.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 45926.13ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 78.1MB in the end (delta: -23.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * TraceAbstraction took 47398.37ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 35.3MB in the end (delta: 42.2MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 162.10ms. Allocated memory is still 117.4MB. Free memory was 35.3MB in the beginning and 72.7MB in the end (delta: -37.4MB). 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: 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 - 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: 617]: 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, 188 locations, 325 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 924 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 566 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 378 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 358 mSDtfsCounter, 378 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=0, InterpolantAutomatonStates: 49, 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 83 QuantifiedInterpolants, 1957 SizeOfPredicates, 33 NumberOfNonLiveVariables, 941 ConjunctsInSsa, 96 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 16:21:05,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE