./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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/floats-cbmc-regression/float4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 11:33:08,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 11:33:08,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 11:33:08,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 11:33:08,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 11:33:08,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 11:33:08,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 11:33:08,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 11:33:08,999 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 11:33:08,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 11:33:08,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 11:33:08,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 11:33:08,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 11:33:09,000 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:33:09,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 11:33:09,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 11:33:09,001 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 -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2025-03-03 11:33:09,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 11:33:09,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 11:33:09,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 11:33:09,229 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 11:33:09,229 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 11:33:09,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float4.i [2025-03-03 11:33:10,400 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f05bfd364/16b0b57a622c48c7a5c53ea2685717de/FLAGdc356076d [2025-03-03 11:33:10,732 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 11:33:10,733 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float4.i [2025-03-03 11:33:10,746 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f05bfd364/16b0b57a622c48c7a5c53ea2685717de/FLAGdc356076d [2025-03-03 11:33:10,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f05bfd364/16b0b57a622c48c7a5c53ea2685717de [2025-03-03 11:33:10,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 11:33:10,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 11:33:10,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 11:33:10,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 11:33:10,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 11:33:10,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:33:10" (1/1) ... [2025-03-03 11:33:10,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47167c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:10, skipping insertion in model container [2025-03-03 11:33:10,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:33:10" (1/1) ... [2025-03-03 11:33:10,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 11:33:11,057 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3127) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1248) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:280) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2628) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2628) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:180) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:541) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1663) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1548) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-03 11:33:11,063 INFO L158 Benchmark]: Toolchain (without parser) took 295.78ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 107.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 11:33:11,063 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:33:11,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.84ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 107.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 11:33:11,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.84ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 107.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 11:33:12,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 11:33:12,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 11:33:12,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 11:33:12,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 11:33:12,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 11:33:12,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 11:33:12,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 11:33:12,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 11:33:12,729 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 11:33:12,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 11:33:12,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 11:33:12,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 11:33:12,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 11:33:12,731 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 11:33:12,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 11:33:12,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 11:33:12,731 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 11:33:12,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 11:33:12,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 11:33:12,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 11:33:12,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 11:33:12,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 11:33:12,732 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 11:33:12,732 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 11:33:12,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 11:33:12,733 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 11:33:12,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 11:33:12,733 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 11:33:12,733 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 11:33:12,733 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 11:33:12,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 11:33:12,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 11:33:12,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:33:12,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 11:33:12,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 11:33:12,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 11:33:12,735 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 -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2025-03-03 11:33:12,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 11:33:12,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 11:33:12,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 11:33:12,972 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 11:33:12,973 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 11:33:12,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float4.i [2025-03-03 11:33:14,142 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77b473ae/39db4067ae0a427cbc7485baf48695dc/FLAGdbe32f943 [2025-03-03 11:33:14,365 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 11:33:14,367 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float4.i [2025-03-03 11:33:14,380 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77b473ae/39db4067ae0a427cbc7485baf48695dc/FLAGdbe32f943 [2025-03-03 11:33:14,395 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77b473ae/39db4067ae0a427cbc7485baf48695dc [2025-03-03 11:33:14,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 11:33:14,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 11:33:14,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 11:33:14,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 11:33:14,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 11:33:14,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:14,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56637847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14, skipping insertion in model container [2025-03-03 11:33:14,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:14,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 11:33:14,800 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/floats-cbmc-regression/float4.i[41128,41141] [2025-03-03 11:33:14,802 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/floats-cbmc-regression/float4.i[41169,41182] [2025-03-03 11:33:14,803 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/floats-cbmc-regression/float4.i[41210,41223] [2025-03-03 11:33:14,803 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/floats-cbmc-regression/float4.i[41259,41272] [2025-03-03 11:33:14,804 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/floats-cbmc-regression/float4.i[41306,41319] [2025-03-03 11:33:14,805 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/floats-cbmc-regression/float4.i[41355,41368] [2025-03-03 11:33:14,806 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/floats-cbmc-regression/float4.i[41397,41410] [2025-03-03 11:33:14,806 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/floats-cbmc-regression/float4.i[41438,41451] [2025-03-03 11:33:14,807 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/floats-cbmc-regression/float4.i[41486,41499] [2025-03-03 11:33:14,808 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/floats-cbmc-regression/float4.i[41534,41547] [2025-03-03 11:33:14,808 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/floats-cbmc-regression/float4.i[41585,41598] [2025-03-03 11:33:14,808 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/floats-cbmc-regression/float4.i[41631,41644] [2025-03-03 11:33:14,809 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/floats-cbmc-regression/float4.i[41674,41687] [2025-03-03 11:33:14,809 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/floats-cbmc-regression/float4.i[41725,41738] [2025-03-03 11:33:14,809 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/floats-cbmc-regression/float4.i[41766,41779] [2025-03-03 11:33:14,810 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/floats-cbmc-regression/float4.i[41807,41820] [2025-03-03 11:33:14,810 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/floats-cbmc-regression/float4.i[41853,41866] [2025-03-03 11:33:14,810 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/floats-cbmc-regression/float4.i[41894,41907] [2025-03-03 11:33:14,811 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/floats-cbmc-regression/float4.i[41935,41948] [2025-03-03 11:33:14,811 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/floats-cbmc-regression/float4.i[41982,41995] [2025-03-03 11:33:14,811 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/floats-cbmc-regression/float4.i[42033,42046] [2025-03-03 11:33:14,812 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/floats-cbmc-regression/float4.i[42084,42097] [2025-03-03 11:33:14,813 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/floats-cbmc-regression/float4.i[42132,42145] [2025-03-03 11:33:14,814 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/floats-cbmc-regression/float4.i[42181,42194] [2025-03-03 11:33:14,815 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/floats-cbmc-regression/float4.i[42224,42237] [2025-03-03 11:33:14,815 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/floats-cbmc-regression/float4.i[42267,42280] [2025-03-03 11:33:14,815 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/floats-cbmc-regression/float4.i[42331,42344] [2025-03-03 11:33:14,816 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/floats-cbmc-regression/float4.i[42394,42407] [2025-03-03 11:33:14,816 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/floats-cbmc-regression/float4.i[42434,42447] [2025-03-03 11:33:14,817 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/floats-cbmc-regression/float4.i[42473,42486] [2025-03-03 11:33:14,817 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/floats-cbmc-regression/float4.i[42519,42532] [2025-03-03 11:33:14,818 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/floats-cbmc-regression/float4.i[42566,42579] [2025-03-03 11:33:14,818 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/floats-cbmc-regression/float4.i[42614,42627] [2025-03-03 11:33:14,819 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/floats-cbmc-regression/float4.i[42665,42678] [2025-03-03 11:33:14,820 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/floats-cbmc-regression/float4.i[42709,42722] [2025-03-03 11:33:14,820 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/floats-cbmc-regression/float4.i[42752,42765] [2025-03-03 11:33:14,820 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/floats-cbmc-regression/float4.i[42797,42810] [2025-03-03 11:33:14,820 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/floats-cbmc-regression/float4.i[42839,42852] [2025-03-03 11:33:14,820 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/floats-cbmc-regression/float4.i[42882,42895] [2025-03-03 11:33:14,821 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/floats-cbmc-regression/float4.i[42927,42940] [2025-03-03 11:33:14,821 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/floats-cbmc-regression/float4.i[42973,42986] [2025-03-03 11:33:14,821 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/floats-cbmc-regression/float4.i[43018,43031] [2025-03-03 11:33:14,821 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/floats-cbmc-regression/float4.i[43061,43074] [2025-03-03 11:33:14,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:33:14,833 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 11:33:14,866 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/floats-cbmc-regression/float4.i[41128,41141] [2025-03-03 11:33:14,866 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/floats-cbmc-regression/float4.i[41169,41182] [2025-03-03 11:33:14,866 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/floats-cbmc-regression/float4.i[41210,41223] [2025-03-03 11:33:14,867 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/floats-cbmc-regression/float4.i[41259,41272] [2025-03-03 11:33:14,867 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/floats-cbmc-regression/float4.i[41306,41319] [2025-03-03 11:33:14,867 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/floats-cbmc-regression/float4.i[41355,41368] [2025-03-03 11:33:14,867 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/floats-cbmc-regression/float4.i[41397,41410] [2025-03-03 11:33:14,868 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/floats-cbmc-regression/float4.i[41438,41451] [2025-03-03 11:33:14,868 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/floats-cbmc-regression/float4.i[41486,41499] [2025-03-03 11:33:14,868 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/floats-cbmc-regression/float4.i[41534,41547] [2025-03-03 11:33:14,873 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/floats-cbmc-regression/float4.i[41585,41598] [2025-03-03 11:33:14,873 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/floats-cbmc-regression/float4.i[41631,41644] [2025-03-03 11:33:14,873 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/floats-cbmc-regression/float4.i[41674,41687] [2025-03-03 11:33:14,874 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/floats-cbmc-regression/float4.i[41725,41738] [2025-03-03 11:33:14,874 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/floats-cbmc-regression/float4.i[41766,41779] [2025-03-03 11:33:14,874 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/floats-cbmc-regression/float4.i[41807,41820] [2025-03-03 11:33:14,874 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/floats-cbmc-regression/float4.i[41853,41866] [2025-03-03 11:33:14,875 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/floats-cbmc-regression/float4.i[41894,41907] [2025-03-03 11:33:14,875 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/floats-cbmc-regression/float4.i[41935,41948] [2025-03-03 11:33:14,875 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/floats-cbmc-regression/float4.i[41982,41995] [2025-03-03 11:33:14,875 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/floats-cbmc-regression/float4.i[42033,42046] [2025-03-03 11:33:14,875 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/floats-cbmc-regression/float4.i[42084,42097] [2025-03-03 11:33:14,876 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/floats-cbmc-regression/float4.i[42132,42145] [2025-03-03 11:33:14,876 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/floats-cbmc-regression/float4.i[42181,42194] [2025-03-03 11:33:14,876 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/floats-cbmc-regression/float4.i[42224,42237] [2025-03-03 11:33:14,876 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/floats-cbmc-regression/float4.i[42267,42280] [2025-03-03 11:33:14,881 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/floats-cbmc-regression/float4.i[42331,42344] [2025-03-03 11:33:14,881 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/floats-cbmc-regression/float4.i[42394,42407] [2025-03-03 11:33:14,881 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/floats-cbmc-regression/float4.i[42434,42447] [2025-03-03 11:33:14,881 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/floats-cbmc-regression/float4.i[42473,42486] [2025-03-03 11:33:14,882 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/floats-cbmc-regression/float4.i[42519,42532] [2025-03-03 11:33:14,882 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/floats-cbmc-regression/float4.i[42566,42579] [2025-03-03 11:33:14,882 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/floats-cbmc-regression/float4.i[42614,42627] [2025-03-03 11:33:14,882 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/floats-cbmc-regression/float4.i[42665,42678] [2025-03-03 11:33:14,883 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/floats-cbmc-regression/float4.i[42709,42722] [2025-03-03 11:33:14,883 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/floats-cbmc-regression/float4.i[42752,42765] [2025-03-03 11:33:14,883 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/floats-cbmc-regression/float4.i[42797,42810] [2025-03-03 11:33:14,883 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/floats-cbmc-regression/float4.i[42839,42852] [2025-03-03 11:33:14,884 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/floats-cbmc-regression/float4.i[42882,42895] [2025-03-03 11:33:14,884 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/floats-cbmc-regression/float4.i[42927,42940] [2025-03-03 11:33:14,884 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/floats-cbmc-regression/float4.i[42973,42986] [2025-03-03 11:33:14,884 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/floats-cbmc-regression/float4.i[43018,43031] [2025-03-03 11:33:14,885 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/floats-cbmc-regression/float4.i[43061,43074] [2025-03-03 11:33:14,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:33:14,969 INFO L204 MainTranslator]: Completed translation [2025-03-03 11:33:14,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14 WrapperNode [2025-03-03 11:33:14,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 11:33:14,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 11:33:14,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 11:33:14,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 11:33:14,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:14,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,030 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2025-03-03 11:33:15,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 11:33:15,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 11:33:15,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 11:33:15,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 11:33:15,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,051 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 11:33:15,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,061 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 11:33:15,072 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 11:33:15,072 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 11:33:15,072 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 11:33:15,072 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (1/1) ... [2025-03-03 11:33:15,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:33:15,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 11:33:15,095 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) [2025-03-03 11:33:15,097 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 [2025-03-03 11:33:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 11:33:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 11:33:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 11:33:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 11:33:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 11:33:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 11:33:15,184 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 11:33:15,185 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 11:33:17,367 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-03-03 11:33:17,368 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 11:33:17,380 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 11:33:17,382 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 11:33:17,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:33:17 BoogieIcfgContainer [2025-03-03 11:33:17,383 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 11:33:17,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 11:33:17,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 11:33:17,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 11:33:17,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:33:14" (1/3) ... [2025-03-03 11:33:17,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d6faa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:33:17, skipping insertion in model container [2025-03-03 11:33:17,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:33:14" (2/3) ... [2025-03-03 11:33:17,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d6faa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:33:17, skipping insertion in model container [2025-03-03 11:33:17,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:33:17" (3/3) ... [2025-03-03 11:33:17,391 INFO L128 eAbstractionObserver]: Analyzing ICFG float4.i [2025-03-03 11:33:17,402 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 11:33:17,403 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float4.i that has 2 procedures, 141 locations, 1 initial locations, 0 loop locations, and 43 error locations. [2025-03-03 11:33:17,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 11:33:17,454 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;@6851cf4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 11:33:17,457 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2025-03-03 11:33:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 94 states have (on average 1.925531914893617) internal successors, (181), 137 states have internal predecessors, (181), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 11:33:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-03 11:33:17,465 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:33:17,465 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:33:17,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2025-03-03 11:33:17,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:33:17,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2121271696, now seen corresponding path program 1 times [2025-03-03 11:33:17,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:33:17,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735585395] [2025-03-03 11:33:17,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:33:17,476 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 [2025-03-03 11:33:17,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:33:17,478 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) [2025-03-03 11:33:17,479 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 [2025-03-03 11:33:17,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-03 11:33:17,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-03 11:33:17,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:33:17,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:33:17,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 11:33:17,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:33:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-03 11:33:17,532 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:33:17,533 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:33:17,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735585395] [2025-03-03 11:33:17,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735585395] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:33:17,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:33:17,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 11:33:17,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708020240] [2025-03-03 11:33:17,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:33:17,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 11:33:17,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:33:17,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 11:33:17,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 11:33:17,557 INFO L87 Difference]: Start difference. First operand has 141 states, 94 states have (on average 1.925531914893617) internal successors, (181), 137 states have internal predecessors, (181), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-03 11:33:17,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:33:17,573 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2025-03-03 11:33:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 11:33:17,574 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-03-03 11:33:17,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:33:17,578 INFO L225 Difference]: With dead ends: 219 [2025-03-03 11:33:17,578 INFO L226 Difference]: Without dead ends: 61 [2025-03-03 11:33:17,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 11:33:17,583 INFO L435 NwaCegarLoop]: 81 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, 81 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 [2025-03-03 11:33:17,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 11:33:17,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-03 11:33:17,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-03-03 11:33:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 57 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 11:33:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2025-03-03 11:33:17,608 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 15 [2025-03-03 11:33:17,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:33:17,608 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2025-03-03 11:33:17,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-03 11:33:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2025-03-03 11:33:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-03 11:33:17,609 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:33:17,609 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:33:17,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-03 11:33:17,811 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 [2025-03-03 11:33:17,812 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2025-03-03 11:33:17,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:33:17,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1943466726, now seen corresponding path program 1 times [2025-03-03 11:33:17,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:33:17,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641112421] [2025-03-03 11:33:17,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:33:17,813 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 [2025-03-03 11:33:17,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:33:17,814 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) [2025-03-03 11:33:17,816 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 [2025-03-03 11:33:17,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-03 11:33:18,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-03 11:33:18,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:33:18,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:33:18,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-03 11:33:18,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:33:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-03 11:33:18,483 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:33:18,483 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:33:18,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641112421] [2025-03-03 11:33:18,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641112421] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:33:18,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:33:18,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 11:33:18,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995757090] [2025-03-03 11:33:18,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:33:18,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-03 11:33:18,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:33:18,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-03 11:33:18,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-03 11:33:18,486 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 11:33:21,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:24,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:27,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:31,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:35,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:39,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:43,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:47,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:51,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:33:51,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:33:51,916 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2025-03-03 11:33:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-03 11:33:51,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2025-03-03 11:33:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:33:51,928 INFO L225 Difference]: With dead ends: 61 [2025-03-03 11:33:51,928 INFO L226 Difference]: Without dead ends: 37 [2025-03-03 11:33:51,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-03 11:33:51,929 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 50 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2025-03-03 11:33:51,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 21 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 163 Invalid, 6 Unknown, 0 Unchecked, 33.4s Time] [2025-03-03 11:33:51,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-03-03 11:33:51,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-03-03 11:33:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.0) internal successors, (33), 33 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 11:33:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2025-03-03 11:33:51,933 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 16 [2025-03-03 11:33:51,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:33:51,935 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2025-03-03 11:33:51,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 11:33:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2025-03-03 11:33:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-03 11:33:51,936 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:33:51,936 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:33:51,941 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 [2025-03-03 11:33:52,136 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 [2025-03-03 11:33:52,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2025-03-03 11:33:52,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:33:52,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1892325398, now seen corresponding path program 1 times [2025-03-03 11:33:52,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:33:52,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787182851] [2025-03-03 11:33:52,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:33:52,137 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 [2025-03-03 11:33:52,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:33:52,140 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) [2025-03-03 11:33:52,143 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 [2025-03-03 11:33:52,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-03 11:33:54,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-03 11:33:54,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:33:54,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:33:54,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-03 11:33:54,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:34:11,454 WARN L851 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~f~0#1_31| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_31| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_31|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_31|) .cse0)))) is different from false [2025-03-03 11:34:15,464 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~f~0#1_31| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_31| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_31|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_31|) .cse0)))) is different from true [2025-03-03 11:34:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-03 11:34:15,465 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:34:15,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:34:15,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787182851] [2025-03-03 11:34:15,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787182851] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:34:15,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:34:15,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 11:34:15,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652233264] [2025-03-03 11:34:15,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:34:15,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 11:34:15,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:34:15,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 11:34:15,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2025-03-03 11:34:15,466 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-03 11:34:19,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:34:23,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:34:27,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 11:34:31,902 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~f~0#1_31| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_31| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_31|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_31|) .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2025-03-03 11:34:35,913 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~f~0#1_31| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_31| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_31|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_31|) .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2025-03-03 11:34:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:34:35,914 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2025-03-03 11:34:35,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 11:34:35,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2025-03-03 11:34:35,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:34:35,914 INFO L225 Difference]: With dead ends: 37 [2025-03-03 11:34:35,914 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 11:34:35,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=14, Invalid=10, Unknown=4, NotChecked=14, Total=42 [2025-03-03 11:34:35,915 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2025-03-03 11:34:35,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 13 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 3 Unknown, 35 Unchecked, 12.4s Time] [2025-03-03 11:34:35,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 11:34:35,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 11:34:35,916 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) [2025-03-03 11:34:35,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 11:34:35,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2025-03-03 11:34:35,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:34:35,916 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 11:34:35,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-03 11:34:35,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 11:34:35,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 11:34:35,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 43 remaining) [2025-03-03 11:34:35,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (41 of 43 remaining) [2025-03-03 11:34:35,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (40 of 43 remaining) [2025-03-03 11:34:35,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (39 of 43 remaining) [2025-03-03 11:34:35,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (38 of 43 remaining) [2025-03-03 11:34:35,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (37 of 43 remaining) [2025-03-03 11:34:35,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (36 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (35 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (34 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (33 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (32 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (31 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (30 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (29 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (28 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (27 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (26 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (25 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (24 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (23 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (22 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (21 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (20 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (19 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (18 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (17 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (16 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (15 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (14 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (13 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (12 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (11 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (10 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (9 of 43 remaining) [2025-03-03 11:34:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (8 of 43 remaining) [2025-03-03 11:34:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (7 of 43 remaining) [2025-03-03 11:34:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (6 of 43 remaining) [2025-03-03 11:34:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (5 of 43 remaining) [2025-03-03 11:34:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (4 of 43 remaining) [2025-03-03 11:34:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (3 of 43 remaining) [2025-03-03 11:34:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (2 of 43 remaining) [2025-03-03 11:34:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (1 of 43 remaining) [2025-03-03 11:34:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (0 of 43 remaining) [2025-03-03 11:34:35,936 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 [2025-03-03 11:34:36,123 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 [2025-03-03 11:34:36,125 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-03 11:34:36,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 11:34:36,177 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 11:34:36,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 11:34:36 BoogieIcfgContainer [2025-03-03 11:34:36,185 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 11:34:36,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 11:34:36,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 11:34:36,186 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 11:34:36,187 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:33:17" (3/4) ... [2025-03-03 11:34:36,189 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 11:34:36,192 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-03 11:34:36,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-03 11:34:36,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-03 11:34:36,198 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 11:34:36,198 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 11:34:36,261 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 11:34:36,262 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 11:34:36,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 11:34:36,263 INFO L158 Benchmark]: Toolchain (without parser) took 81864.51ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 60.3MB in the end (delta: 30.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2025-03-03 11:34:36,263 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:34:36,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.90ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 44.4MB in the end (delta: 46.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-03 11:34:36,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.51ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 41.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:34:36,264 INFO L158 Benchmark]: Boogie Preprocessor took 36.79ms. Allocated memory is still 117.4MB. Free memory was 41.7MB in the beginning and 39.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:34:36,264 INFO L158 Benchmark]: IcfgBuilder took 2311.25ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 77.7MB in the end (delta: -37.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2025-03-03 11:34:36,264 INFO L158 Benchmark]: TraceAbstraction took 78801.00ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 67.9MB in the end (delta: 9.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2025-03-03 11:34:36,265 INFO L158 Benchmark]: Witness Printer took 76.04ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 60.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 11:34:36,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.90ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 44.4MB in the end (delta: 46.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.51ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 41.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.79ms. Allocated memory is still 117.4MB. Free memory was 41.7MB in the beginning and 39.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 2311.25ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 77.7MB in the end (delta: -37.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 78801.00ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 67.9MB in the end (delta: 9.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 76.04ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 60.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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: 1030]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1029]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1028]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1027]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1026]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1025]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1024]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1023]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1022]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1018]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1017]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1016]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1015]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1014]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1013]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1012]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1009]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1007]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1006]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1001]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1000]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 999]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 998]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 997]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 996]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 995]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 992]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 991]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 990]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 987]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 986]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 985]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 984]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 983]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 980]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 979]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 978]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 977]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 976]: 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 2 procedures, 141 locations, 43 error locations. Started 1 CEGAR loops. OverallTime: 78.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 45.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 115 SdHoareTripleChecker+Invalid, 45.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 35 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 209 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 98 mSDtfsCounter, 209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 21.6s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 1 QuantifiedInterpolants, 483 SizeOfPredicates, 3 NumberOfNonLiveVariables, 113 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 12/12 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 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-03 11:34:36,333 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