./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c --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/float-newlib/float_req_bl_0870b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 992559e3b495f77a5d35d1adcc820f616a6cb613920422d0b2ff6cd6d91349c8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:00:32,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:00:32,605 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 12:00:32,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:00:32,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:00:32,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:00:32,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:00:32,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:00:32,656 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:00:32,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:00:32,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:00:32,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:00:32,657 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:00:32,658 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:00:32,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:00:32,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:00:32,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:00:32,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:00:32,660 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 -> 992559e3b495f77a5d35d1adcc820f616a6cb613920422d0b2ff6cd6d91349c8 [2025-03-03 12:00:33,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:00:33,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:00:33,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:00:33,155 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:00:33,159 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:00:33,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2025-03-03 12:00:34,938 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f15a3e1b/9ff977b3ed554f3b876c0ff9c3598147/FLAG4568f990f [2025-03-03 12:00:35,381 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:00:35,382 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2025-03-03 12:00:35,397 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f15a3e1b/9ff977b3ed554f3b876c0ff9c3598147/FLAG4568f990f [2025-03-03 12:00:35,543 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f15a3e1b/9ff977b3ed554f3b876c0ff9c3598147 [2025-03-03 12:00:35,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:00:35,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:00:35,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:00:35,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:00:35,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:00:35,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:00:35" (1/1) ... [2025-03-03 12:00:35,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc2f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:35, skipping insertion in model container [2025-03-03 12:00:35,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:00:35" (1/1) ... [2025-03-03 12:00:35,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:00:35,941 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:618) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:3119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$137(StandardFunctionHandler.java:602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1658) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:197) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1839) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1816) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-03 12:00:35,957 INFO L158 Benchmark]: Toolchain (without parser) took 409.31ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 95.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:00:35,964 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:00:35,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.48ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 95.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:00:35,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.48ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 95.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:618) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 992559e3b495f77a5d35d1adcc820f616a6cb613920422d0b2ff6cd6d91349c8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:00:39,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:00:39,295 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 12:00:39,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:00:39,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:00:39,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:00:39,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:00:39,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:00:39,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:00:39,354 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:00:39,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:00:39,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:00:39,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:00:39,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:00:39,354 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:00:39,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:00:39,355 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:00:39,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:00:39,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:00:39,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:00:39,356 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 -> 992559e3b495f77a5d35d1adcc820f616a6cb613920422d0b2ff6cd6d91349c8 [2025-03-03 12:00:39,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:00:39,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:00:39,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:00:39,840 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:00:39,840 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:00:39,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2025-03-03 12:00:41,755 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee269a15/8d7b9795b9d74f2b9ec553035551bbfa/FLAGc1184678e [2025-03-03 12:00:42,149 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:00:42,149 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2025-03-03 12:00:42,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee269a15/8d7b9795b9d74f2b9ec553035551bbfa/FLAGc1184678e [2025-03-03 12:00:42,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee269a15/8d7b9795b9d74f2b9ec553035551bbfa [2025-03-03 12:00:42,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:00:42,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:00:42,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:00:42,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:00:42,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:00:42,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:00:42" (1/1) ... [2025-03-03 12:00:42,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de279f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:42, skipping insertion in model container [2025-03-03 12:00:42,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:00:42" (1/1) ... [2025-03-03 12:00:42,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:00:42,830 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c[13991,14004] [2025-03-03 12:00:42,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:00:42,873 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 12:00:43,023 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c[13991,14004] [2025-03-03 12:00:43,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:00:43,062 INFO L204 MainTranslator]: Completed translation [2025-03-03 12:00:43,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43 WrapperNode [2025-03-03 12:00:43,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 12:00:43,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 12:00:43,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 12:00:43,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 12:00:43,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,144 INFO L138 Inliner]: procedures = 26, calls = 188, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 724 [2025-03-03 12:00:43,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 12:00:43,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 12:00:43,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 12:00:43,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 12:00:43,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,164 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,202 INFO L175 MemorySlicer]: Split 84 memory accesses to 39 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 4, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 34 writes are split as follows [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-03-03 12:00:43,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,246 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 12:00:43,288 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 12:00:43,290 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 12:00:43,290 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 12:00:43,291 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (1/1) ... [2025-03-03 12:00:43,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:00:43,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 12:00:43,380 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 12:00:43,396 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 12:00:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 12:00:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 12:00:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-03 12:00:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#28 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#29 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#30 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#31 [2025-03-03 12:00:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#32 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#33 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#34 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#35 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#36 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#37 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#38 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18 [2025-03-03 12:00:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#19 [2025-03-03 12:00:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#20 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#21 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#22 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#23 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#24 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#25 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#26 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#27 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#28 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#29 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#30 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#31 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#32 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#33 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#34 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#35 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#36 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#37 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#38 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-03-03 12:00:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#28 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#29 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#30 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#31 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#32 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#33 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#34 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#35 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#36 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#37 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#38 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-03 12:00:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-03 12:00:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-03 12:00:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-03 12:00:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-03-03 12:00:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-03-03 12:00:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-03-03 12:00:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#19 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#20 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#21 [2025-03-03 12:00:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#22 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#23 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#24 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#25 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#26 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#27 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#28 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#29 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#30 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#31 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#32 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#33 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#34 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#35 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#36 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#37 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#38 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2025-03-03 12:00:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-03-03 12:00:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#19 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#20 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#21 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#22 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#23 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#24 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#25 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#26 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#27 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#28 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#29 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#30 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#31 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#32 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#33 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#34 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#35 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#36 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#37 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#38 [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 12:00:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 12:00:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-03-03 12:00:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-03-03 12:00:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-03-03 12:00:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-03-03 12:00:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-03-03 12:00:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#28 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#29 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#30 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#31 [2025-03-03 12:00:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#32 [2025-03-03 12:00:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#33 [2025-03-03 12:00:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#34 [2025-03-03 12:00:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#35 [2025-03-03 12:00:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#36 [2025-03-03 12:00:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#37 [2025-03-03 12:00:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#38 [2025-03-03 12:00:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 12:00:43,862 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 12:00:43,867 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 12:01:31,683 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2025-03-03 12:01:31,683 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 12:01:31,713 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 12:01:31,713 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 12:01:31,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:01:31 BoogieIcfgContainer [2025-03-03 12:01:31,714 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 12:01:31,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 12:01:31,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 12:01:31,729 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 12:01:31,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 12:00:42" (1/3) ... [2025-03-03 12:01:31,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f985621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:01:31, skipping insertion in model container [2025-03-03 12:01:31,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:00:43" (2/3) ... [2025-03-03 12:01:31,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f985621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:01:31, skipping insertion in model container [2025-03-03 12:01:31,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:01:31" (3/3) ... [2025-03-03 12:01:31,737 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870b.c [2025-03-03 12:01:31,755 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 12:01:31,761 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0870b.c that has 2 procedures, 182 locations, 1 initial locations, 36 loop locations, and 1 error locations. [2025-03-03 12:01:31,843 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 12:01:31,862 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;@35707e56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 12:01:31,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 12:01:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 176 states have (on average 1.7272727272727273) internal successors, (304), 177 states have internal predecessors, (304), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-03 12:01:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-03 12:01:31,880 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:01:31,881 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:01:31,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:01:31,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:01:31,892 INFO L85 PathProgramCache]: Analyzing trace with hash -25491726, now seen corresponding path program 1 times [2025-03-03 12:01:31,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:01:31,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824232513] [2025-03-03 12:01:31,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:01:31,909 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 12:01:31,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:01:31,920 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 12:01:31,926 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 12:01:32,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-03 12:01:33,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-03 12:01:33,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:01:33,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:01:33,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 12:01:33,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:01:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:01:33,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:01:33,269 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:01:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824232513] [2025-03-03 12:01:33,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824232513] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:01:33,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:01:33,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 12:01:33,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787815525] [2025-03-03 12:01:33,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:01:33,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 12:01:33,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:01:33,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 12:01:33,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:01:33,329 INFO L87 Difference]: Start difference. First operand has 182 states, 176 states have (on average 1.7272727272727273) internal successors, (304), 177 states have internal predecessors, (304), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 12:01:33,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:01:33,399 INFO L93 Difference]: Finished difference Result 361 states and 619 transitions. [2025-03-03 12:01:33,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 12:01:33,407 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2025-03-03 12:01:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:01:33,416 INFO L225 Difference]: With dead ends: 361 [2025-03-03 12:01:33,421 INFO L226 Difference]: Without dead ends: 178 [2025-03-03 12:01:33,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 12:01:33,432 INFO L435 NwaCegarLoop]: 241 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, 241 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 12:01:33,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 12:01:33,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-03-03 12:01:33,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2025-03-03 12:01:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.329479768786127) internal successors, (230), 173 states have internal predecessors, (230), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-03 12:01:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 236 transitions. [2025-03-03 12:01:33,521 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 236 transitions. Word has length 11 [2025-03-03 12:01:33,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:01:33,521 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 236 transitions. [2025-03-03 12:01:33,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 12:01:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2025-03-03 12:01:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-03 12:01:33,522 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:01:33,522 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:01:33,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-03 12:01:33,727 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 12:01:33,727 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:01:33,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:01:33,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1356529292, now seen corresponding path program 1 times [2025-03-03 12:01:33,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:01:33,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872922735] [2025-03-03 12:01:33,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:01:33,728 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 12:01:33,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:01:33,736 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 12:01:33,737 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 12:01:33,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-03 12:01:34,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-03 12:01:34,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:01:34,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:01:34,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-03 12:01:34,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:01:35,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-03 12:01:35,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-03-03 12:01:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:01:36,023 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:01:36,024 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:01:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872922735] [2025-03-03 12:01:36,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872922735] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:01:36,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:01:36,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 12:01:36,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097369823] [2025-03-03 12:01:36,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:01:36,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 12:01:36,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:01:36,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 12:01:36,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 12:01:36,026 INFO L87 Difference]: Start difference. First operand 178 states and 236 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 12:01:41,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-03 12:01:47,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-03 12:01:54,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 12:01:58,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-03 12:02:02,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 12:02:02,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:02:02,580 INFO L93 Difference]: Finished difference Result 188 states and 245 transitions. [2025-03-03 12:02:02,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 12:02:02,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2025-03-03 12:02:02,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:02:02,619 INFO L225 Difference]: With dead ends: 188 [2025-03-03 12:02:02,619 INFO L226 Difference]: Without dead ends: 183 [2025-03-03 12:02:02,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-03 12:02:02,620 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 399 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2025-03-03 12:02:02,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 472 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 4 Unknown, 0 Unchecked, 25.9s Time] [2025-03-03 12:02:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2025-03-03 12:02:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 178. [2025-03-03 12:02:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.323699421965318) internal successors, (229), 173 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-03 12:02:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2025-03-03 12:02:02,630 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 13 [2025-03-03 12:02:02,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:02:02,630 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2025-03-03 12:02:02,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 12:02:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2025-03-03 12:02:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-03 12:02:02,631 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:02:02,631 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:02:02,661 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 (3)] Forceful destruction successful, exit code 0 [2025-03-03 12:02:02,831 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 12:02:02,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:02:02,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:02:02,832 INFO L85 PathProgramCache]: Analyzing trace with hash -939194894, now seen corresponding path program 1 times [2025-03-03 12:02:02,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:02:02,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523565401] [2025-03-03 12:02:02,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:02:02,834 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 12:02:02,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:02:02,836 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 12:02:02,836 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 12:02:02,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-03 12:02:03,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-03 12:02:03,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:02:03,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:02:03,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-03 12:02:03,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:02:04,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-03 12:02:04,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2025-03-03 12:02:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:02:05,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:02:05,248 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:02:05,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523565401] [2025-03-03 12:02:05,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523565401] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:02:05,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:02:05,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 12:02:05,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76049416] [2025-03-03 12:02:05,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:02:05,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 12:02:05,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:02:05,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 12:02:05,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 12:02:05,249 INFO L87 Difference]: Start difference. First operand 178 states and 235 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 12:02:06,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:02:06,348 INFO L93 Difference]: Finished difference Result 183 states and 239 transitions. [2025-03-03 12:02:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 12:02:06,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) Word has length 15 [2025-03-03 12:02:06,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:02:06,353 INFO L225 Difference]: With dead ends: 183 [2025-03-03 12:02:06,353 INFO L226 Difference]: Without dead ends: 16 [2025-03-03 12:02:06,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-03 12:02:06,354 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-03 12:02:06,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 37 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-03 12:02:06,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-03-03 12:02:06,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-03-03 12:02:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 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 12:02:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2025-03-03 12:02:06,365 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2025-03-03 12:02:06,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:02:06,365 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2025-03-03 12:02:06,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 12:02:06,365 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2025-03-03 12:02:06,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-03 12:02:06,366 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:02:06,366 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:02:06,404 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 12:02:06,566 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 12:02:06,567 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:02:06,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:02:06,570 INFO L85 PathProgramCache]: Analyzing trace with hash -937347852, now seen corresponding path program 1 times [2025-03-03 12:02:06,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:02:06,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614936124] [2025-03-03 12:02:06,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:02:06,570 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 12:02:06,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:02:06,572 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 12:02:06,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-03 12:02:06,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-03 12:02:07,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-03 12:02:07,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:02:07,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:02:07,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-03 12:02:07,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:02:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:02:08,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:02:08,276 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:02:08,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614936124] [2025-03-03 12:02:08,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614936124] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:02:08,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:02:08,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 12:02:08,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434358644] [2025-03-03 12:02:08,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:02:08,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 12:02:08,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:02:08,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 12:02:08,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 12:02:08,277 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 12:02:08,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:02:08,482 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2025-03-03 12:02:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 12:02:08,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) Word has length 15 [2025-03-03 12:02:08,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:02:08,484 INFO L225 Difference]: With dead ends: 16 [2025-03-03 12:02:08,484 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 12:02:08,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 12:02:08,487 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 12:02:08,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 12:02:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 12:02:08,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 12:02:08,491 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 12:02:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 12:02:08,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2025-03-03 12:02:08,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:02:08,492 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 12:02:08,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 12:02:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 12:02:08,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 12:02:08,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 12:02:08,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-03 12:02:08,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:02:08,698 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-03 12:02:08,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 12:02:09,828 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 12:02:09,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-03-03 12:02:09,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:02:09,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:02:09,854 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-03-03 12:02:09,854 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:02:09,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 12:02:09 BoogieIcfgContainer [2025-03-03 12:02:09,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 12:02:09,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 12:02:09,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 12:02:09,859 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 12:02:09,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:01:31" (3/4) ... [2025-03-03 12:02:09,862 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 12:02:09,869 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure copysign_float [2025-03-03 12:02:09,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 86 nodes and edges [2025-03-03 12:02:09,897 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2025-03-03 12:02:09,899 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 12:02:09,899 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 12:02:10,169 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 12:02:10,177 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 12:02:10,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 12:02:10,178 INFO L158 Benchmark]: Toolchain (without parser) took 87802.25ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 16.6MB in the end (delta: 42.4MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2025-03-03 12:02:10,178 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:02:10,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.72ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 36.7MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 12:02:10,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.70ms. Allocated memory is still 83.9MB. Free memory was 36.7MB in the beginning and 32.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:02:10,178 INFO L158 Benchmark]: Boogie Preprocessor took 142.10ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 23.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:02:10,178 INFO L158 Benchmark]: IcfgBuilder took 48425.64ms. Allocated memory is still 83.9MB. Free memory was 23.1MB in the beginning and 49.4MB in the end (delta: -26.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2025-03-03 12:02:10,179 INFO L158 Benchmark]: TraceAbstraction took 38133.49ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 30.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2025-03-03 12:02:10,179 INFO L158 Benchmark]: Witness Printer took 318.34ms. Allocated memory is still 83.9MB. Free memory was 30.6MB in the beginning and 16.6MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:02:10,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.72ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 36.7MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.70ms. Allocated memory is still 83.9MB. Free memory was 36.7MB in the beginning and 32.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 142.10ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 23.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 48425.64ms. Allocated memory is still 83.9MB. Free memory was 23.1MB in the beginning and 49.4MB in the end (delta: -26.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 38133.49ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 30.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 318.34ms. Allocated memory is still 83.9MB. Free memory was 30.6MB in the beginning and 16.6MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 609]: 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, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 414 SdHoareTripleChecker+Valid, 26.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 411 mSDsluCounter, 791 SdHoareTripleChecker+Invalid, 26.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 323 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 468 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 10 QuantifiedInterpolants, 216 SizeOfPredicates, 7 NumberOfNonLiveVariables, 468 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 580]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 472]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 433]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 252]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 458]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 218]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 205]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 177]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 552]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 133]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 424]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 231]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 541]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 405]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 375]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 516]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 147]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 179]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 387]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 571]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 254]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 245]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 398]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 116]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 177]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 297]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 297]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 503]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 488]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 170]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-03 12:02:10,406 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-03-03 12:02:10,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE