./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0881.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_0881.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.graphml --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 38a5409de7892736e2de01be9ec6b40de9935c7a9e78ae947f4a7fe77f1a0257 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:44:08,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:44:08,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:44:09,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:44:09,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:44:09,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:44:09,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:44:09,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:44:09,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:44:09,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:44:09,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:44:09,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:44:09,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:44:09,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:44:09,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:44:09,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:44:09,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:44:09,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:44:09,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:44:09,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:44:09,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:44:09,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:44:09,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:44:09,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:44:09,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:44:09,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:44:09,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:44:09,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:44:09,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:44:09,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:44:09,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:44:09,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:44:09,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:44:09,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:44:09,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:44:09,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:44:09,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:44:09,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:44:09,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:44:09,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:44:09,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:44:09,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:44:09,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:44:09,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:44:09,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:44:09,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:44:09,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:44:09,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:44:09,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:44:09,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:44:09,110 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:44:09,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:44:09,111 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:44:09,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:44:09,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:44:09,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:44:09,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:44:09,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:44:09,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:44:09,113 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:44:09,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:44:09,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:44:09,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:44:09,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:44:09,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:44:09,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:44:09,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:44:09,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:44:09,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:44:09,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:44:09,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:44:09,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:44:09,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:44:09,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:44:09,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:44:09,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38a5409de7892736e2de01be9ec6b40de9935c7a9e78ae947f4a7fe77f1a0257 [2022-02-20 16:44:09,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:44:09,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:44:09,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:44:09,355 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:44:09,355 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:44:09,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0881.c [2022-02-20 16:44:09,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9234b5f/82709adf95b04829a81475ee355e2d97/FLAG674107a38 [2022-02-20 16:44:09,943 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:44:09,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0881.c [2022-02-20 16:44:09,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9234b5f/82709adf95b04829a81475ee355e2d97/FLAG674107a38 [2022-02-20 16:44:10,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9234b5f/82709adf95b04829a81475ee355e2d97 [2022-02-20 16:44:10,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:44:10,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:44:10,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:44:10,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:44:10,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:44:10,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:44:10" (1/1) ... [2022-02-20 16:44:10,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d62c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:10, skipping insertion in model container [2022-02-20 16:44:10,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:44:10" (1/1) ... [2022-02-20 16:44:10,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:44:10,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:44:10,644 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:837) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$50(StandardFunctionHandler.java:415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1442) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2034) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1076) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1622) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1076) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1465) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2356) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-02-20 16:44:10,650 INFO L158 Benchmark]: Toolchain (without parser) took 381.58ms. Allocated memory is still 123.7MB. Free memory was 89.7MB in the beginning and 96.0MB in the end (delta: -6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:44:10,651 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:44:10,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.26ms. Allocated memory is still 123.7MB. Free memory was 89.5MB in the beginning and 96.0MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:44:10,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.26ms. Allocated memory is still 123.7MB. Free memory was 89.5MB in the beginning and 96.0MB in the end (delta: -6.4MB). 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:837) 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: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_0881.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.graphml --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 38a5409de7892736e2de01be9ec6b40de9935c7a9e78ae947f4a7fe77f1a0257 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:44:12,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:44:12,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:44:12,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:44:12,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:44:12,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:44:12,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:44:12,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:44:12,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:44:12,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:44:12,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:44:12,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:44:12,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:44:12,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:44:12,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:44:12,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:44:12,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:44:12,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:44:12,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:44:12,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:44:12,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:44:12,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:44:12,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:44:12,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:44:12,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:44:12,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:44:12,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:44:12,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:44:12,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:44:12,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:44:12,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:44:12,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:44:12,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:44:12,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:44:12,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:44:12,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:44:12,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:44:12,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:44:12,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:44:12,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:44:12,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:44:12,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:44:12,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:44:12,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:44:12,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:44:12,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:44:12,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:44:12,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:44:12,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:44:12,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:44:12,609 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:44:12,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:44:12,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:44:12,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:44:12,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:44:12,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:44:12,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:44:12,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:44:12,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:44:12,611 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:44:12,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:44:12,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:44:12,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:44:12,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:44:12,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:44:12,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:44:12,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:44:12,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:44:12,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:44:12,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:44:12,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:44:12,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:44:12,614 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:44:12,614 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:44:12,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:44:12,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:44:12,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:44:12,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:44:12,615 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38a5409de7892736e2de01be9ec6b40de9935c7a9e78ae947f4a7fe77f1a0257 [2022-02-20 16:44:12,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:44:12,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:44:12,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:44:12,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:44:12,976 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:44:12,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0881.c [2022-02-20 16:44:13,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b292a8fb/d0591e5ab79f4dd592c1ae796864d93a/FLAGaf998dc0d [2022-02-20 16:44:13,553 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:44:13,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0881.c [2022-02-20 16:44:13,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b292a8fb/d0591e5ab79f4dd592c1ae796864d93a/FLAGaf998dc0d [2022-02-20 16:44:14,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b292a8fb/d0591e5ab79f4dd592c1ae796864d93a [2022-02-20 16:44:14,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:44:14,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:44:14,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:44:14,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:44:14,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:44:14,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2bb473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14, skipping insertion in model container [2022-02-20 16:44:14,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:44:14,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:44:14,487 WARN L230 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_0881.c[15390,15403] [2022-02-20 16:44:14,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:44:14,514 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:44:14,596 WARN L230 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_0881.c[15390,15403] [2022-02-20 16:44:14,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:44:14,631 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:44:14,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14 WrapperNode [2022-02-20 16:44:14,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:44:14,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:44:14,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:44:14,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:44:14,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,749 INFO L137 Inliner]: procedures = 28, calls = 203, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 966 [2022-02-20 16:44:14,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:44:14,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:44:14,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:44:14,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:44:14,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:44:14,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:44:14,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:44:14,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:44:14,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (1/1) ... [2022-02-20 16:44:14,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:44:14,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:44:14,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:44:14,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:44:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:44:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:44:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:44:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-02-20 16:44:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:44:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-02-20 16:44:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-02-20 16:44:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-02-20 16:44:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-02-20 16:44:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:44:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:44:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:44:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:44:15,053 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:44:15,055 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:44:46,941 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:44:46,952 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:44:46,953 INFO L299 CfgBuilder]: Removed 88 assume(true) statements. [2022-02-20 16:44:46,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:44:46 BoogieIcfgContainer [2022-02-20 16:44:46,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:44:46,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:44:46,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:44:46,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:44:46,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:44:14" (1/3) ... [2022-02-20 16:44:46,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad7c00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:44:46, skipping insertion in model container [2022-02-20 16:44:46,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:44:14" (2/3) ... [2022-02-20 16:44:46,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad7c00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:44:46, skipping insertion in model container [2022-02-20 16:44:46,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:44:46" (3/3) ... [2022-02-20 16:44:46,962 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0881.c [2022-02-20 16:44:46,967 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:44:46,967 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:44:47,019 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:44:47,027 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:44:47,028 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:44:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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) [2022-02-20 16:44:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 16:44:47,067 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:44:47,067 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:44:47,068 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:44:47,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:44:47,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1189443227, now seen corresponding path program 1 times [2022-02-20 16:44:47,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:44:47,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836815958] [2022-02-20 16:44:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:44:47,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:44:47,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:44:47,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:44:47,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:44:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:44:47,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:44:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:44:48,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:44:48,137 INFO L290 TraceCheckUtils]: 0: Hoare triple {252#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(20bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~one_fmod~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := 4bv32, 0bv32;call #Ultimate.allocInit(8bv32, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~Pluszero~DOUBLE())), ~#Zero_fmod~0.base, ~bvadd32(4bv32, ~#Zero_fmod~0.offset), 4bv32);~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~two25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~twom25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.9802322388E-8));~huge_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~#bp_pow~0.base, ~#bp_pow~0.offset := 5bv32, 0bv32;call #Ultimate.allocInit(8bv32, 5bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0)), ~#bp_pow~0.base, ~#bp_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5)), ~#bp_pow~0.base, ~bvadd32(4bv32, ~#bp_pow~0.offset), 4bv32);~#dp_h_pow~0.base, ~#dp_h_pow~0.offset := 6bv32, 0bv32;call #Ultimate.allocInit(8bv32, 6bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_h_pow~0.base, ~#dp_h_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.584960938)), ~#dp_h_pow~0.base, ~bvadd32(4bv32, ~#dp_h_pow~0.offset), 4bv32);~#dp_l_pow~0.base, ~#dp_l_pow~0.offset := 7bv32, 0bv32;call #Ultimate.allocInit(8bv32, 7bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_l_pow~0.base, ~#dp_l_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.56322085E-6)), ~#dp_l_pow~0.base, ~bvadd32(4bv32, ~#dp_l_pow~0.offset), 4bv32);~zero_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~one_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~two_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0));~two24_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.6777216E7));~huge_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~L1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.60000002384));~L2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.42857143283));~L3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327));~L4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.27272811532));~L5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.23066075146));~L6_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20697501302));~P1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8));~lg2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69314718246));~lg2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.693145752));~lg2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.42860654E-6));~ovt_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.2995665694E-8));~cp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179670095));~cp_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179199219));~cp_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.7017383622E-6));~ivln2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~ivln2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426879883));~ivln2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.0526075433E-6));~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {252#true} is VALID [2022-02-20 16:44:48,137 INFO L290 TraceCheckUtils]: 1: Hoare triple {252#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet67#1, main_#t~ret68#1, main_#t~short69#1, main_#t~ret70#1, main_#t~short71#1, main_#t~ret72#1, main_#t~ret73#1, main_~res~0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT());main_~y~0#1 := main_#t~nondet67#1;havoc main_#t~nondet67#1;main_#t~short69#1 := ~fp.gt~FLOAT(main_~y~0#1, ~convertINTToFLOAT(currentRoundingMode, 0bv32)); {252#true} is VALID [2022-02-20 16:44:48,138 INFO L290 TraceCheckUtils]: 2: Hoare triple {252#true} assume !main_#t~short69#1; {252#true} is VALID [2022-02-20 16:44:48,138 INFO L290 TraceCheckUtils]: 3: Hoare triple {252#true} main_#t~short71#1 := main_#t~short69#1; {252#true} is VALID [2022-02-20 16:44:48,138 INFO L290 TraceCheckUtils]: 4: Hoare triple {252#true} assume !main_#t~short71#1; {252#true} is VALID [2022-02-20 16:44:48,138 INFO L290 TraceCheckUtils]: 5: Hoare triple {252#true} assume main_#t~short71#1;havoc main_#t~ret68#1;havoc main_#t~short69#1;havoc main_#t~ret70#1;havoc main_#t~short71#1;assume { :begin_inline___ieee754_powf } true;__ieee754_powf_#in~x#1, __ieee754_powf_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc __ieee754_powf_#res#1;havoc __ieee754_powf_#t~mem27#1, __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, __ieee754_powf_#t~mem28#1, __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, __ieee754_powf_#t~ite29#1, __ieee754_powf_#t~ite30#1, __ieee754_powf_#t~ret31#1, __ieee754_powf_#t~ret32#1, __ieee754_powf_#t~ite33#1, __ieee754_powf_#t~ite34#1, __ieee754_powf_#t~mem35#1, __ieee754_powf_~#gf_u~10#1.base, __ieee754_powf_~#gf_u~10#1.offset, __ieee754_powf_#t~mem36#1, __ieee754_powf_~#sf_u~7#1.base, __ieee754_powf_~#sf_u~7#1.offset, __ieee754_powf_#t~mem37#1, __ieee754_powf_~#gf_u~11#1.base, __ieee754_powf_~#gf_u~11#1.offset, __ieee754_powf_#t~mem38#1, __ieee754_powf_~#sf_u~8#1.base, __ieee754_powf_~#sf_u~8#1.offset, __ieee754_powf_#t~mem39#1, __ieee754_powf_#t~mem40#1, __ieee754_powf_#t~mem41#1, __ieee754_powf_~#gf_u~12#1.base, __ieee754_powf_~#gf_u~12#1.offset, __ieee754_powf_#t~mem42#1, __ieee754_powf_~#sf_u~9#1.base, __ieee754_powf_~#sf_u~9#1.offset, __ieee754_powf_#t~mem43#1, __ieee754_powf_~#sf_u~10#1.base, __ieee754_powf_~#sf_u~10#1.offset, __ieee754_powf_#t~mem44#1, __ieee754_powf_#t~mem45#1, __ieee754_powf_~#gf_u~13#1.base, __ieee754_powf_~#gf_u~13#1.offset, __ieee754_powf_#t~mem46#1, __ieee754_powf_~#sf_u~11#1.base, __ieee754_powf_~#sf_u~11#1.offset, __ieee754_powf_#t~mem47#1, __ieee754_powf_~#gf_u~14#1.base, __ieee754_powf_~#gf_u~14#1.offset, __ieee754_powf_#t~mem48#1, __ieee754_powf_~#sf_u~12#1.base, __ieee754_powf_~#sf_u~12#1.offset, __ieee754_powf_#t~mem49#1, __ieee754_powf_#t~mem50#1, __ieee754_powf_#t~mem51#1, __ieee754_powf_~#gf_u~15#1.base, __ieee754_powf_~#gf_u~15#1.offset, __ieee754_powf_#t~mem52#1, __ieee754_powf_~#sf_u~13#1.base, __ieee754_powf_~#sf_u~13#1.offset, __ieee754_powf_#t~mem53#1, __ieee754_powf_~s2~0#1, __ieee754_powf_~s_h~0#1, __ieee754_powf_~s_l~0#1, __ieee754_powf_~t_h~0#1, __ieee754_powf_~t_l~0#1, __ieee754_powf_#t~mem54#1, __ieee754_powf_~#gf_u~16#1.base, __ieee754_powf_~#gf_u~16#1.offset, __ieee754_powf_#t~mem55#1, __ieee754_powf_~#sf_u~14#1.base, __ieee754_powf_~#sf_u~14#1.offset, __ieee754_powf_#t~mem56#1, __ieee754_powf_~#gf_u~17#1.base, __ieee754_powf_~#gf_u~17#1.offset, __ieee754_powf_#t~mem57#1, __ieee754_powf_~#sf_u~15#1.base, __ieee754_powf_~#sf_u~15#1.offset, __ieee754_powf_#t~mem58#1, __ieee754_powf_~#gf_u~18#1.base, __ieee754_powf_~#gf_u~18#1.offset, __ieee754_powf_#t~mem59#1, __ieee754_powf_~#sf_u~16#1.base, __ieee754_powf_~#sf_u~16#1.offset, __ieee754_powf_#t~mem60#1, __ieee754_powf_~#gf_u~19#1.base, __ieee754_powf_~#gf_u~19#1.offset, __ieee754_powf_#t~ret61#1, __ieee754_powf_#t~mem62#1, __ieee754_powf_~#sf_u~17#1.base, __ieee754_powf_~#sf_u~17#1.offset, __ieee754_powf_~x#1, __ieee754_powf_~y#1, __ieee754_powf_~z~1#1, __ieee754_powf_~ax~0#1, __ieee754_powf_~z_h~0#1, __ieee754_powf_~z_l~0#1, __ieee754_powf_~p_h~0#1, __ieee754_powf_~p_l~0#1, __ieee754_powf_~y1~0#1, __ieee754_powf_~t1~0#1, __ieee754_powf_~t2~0#1, __ieee754_powf_~r~1#1, __ieee754_powf_~s~1#1, __ieee754_powf_~t~1#1, __ieee754_powf_~u~0#1, __ieee754_powf_~v~0#1, __ieee754_powf_~w~0#1, __ieee754_powf_~i~2#1, __ieee754_powf_~j~0#1, __ieee754_powf_~k~1#1, __ieee754_powf_~yisint~0#1, __ieee754_powf_~n~1#1, __ieee754_powf_~hx~3#1, __ieee754_powf_~hy~1#1, __ieee754_powf_~ix~5#1, __ieee754_powf_~iy~2#1, __ieee754_powf_~is~0#1;__ieee754_powf_~x#1 := __ieee754_powf_#in~x#1;__ieee754_powf_~y#1 := __ieee754_powf_#in~y#1;havoc __ieee754_powf_~z~1#1;havoc __ieee754_powf_~ax~0#1;havoc __ieee754_powf_~z_h~0#1;havoc __ieee754_powf_~z_l~0#1;havoc __ieee754_powf_~p_h~0#1;havoc __ieee754_powf_~p_l~0#1;havoc __ieee754_powf_~y1~0#1;havoc __ieee754_powf_~t1~0#1;havoc __ieee754_powf_~t2~0#1;havoc __ieee754_powf_~r~1#1;havoc __ieee754_powf_~s~1#1;havoc __ieee754_powf_~t~1#1;havoc __ieee754_powf_~u~0#1;havoc __ieee754_powf_~v~0#1;havoc __ieee754_powf_~w~0#1;havoc __ieee754_powf_~i~2#1;havoc __ieee754_powf_~j~0#1;havoc __ieee754_powf_~k~1#1;havoc __ieee754_powf_~yisint~0#1;havoc __ieee754_powf_~n~1#1;havoc __ieee754_powf_~hx~3#1;havoc __ieee754_powf_~hy~1#1;havoc __ieee754_powf_~ix~5#1;havoc __ieee754_powf_~iy~2#1;havoc __ieee754_powf_~is~0#1; {252#true} is VALID [2022-02-20 16:44:48,139 INFO L290 TraceCheckUtils]: 6: Hoare triple {252#true} assume !true; {252#true} is VALID [2022-02-20 16:44:48,139 INFO L290 TraceCheckUtils]: 7: Hoare triple {252#true} assume !true; {252#true} is VALID [2022-02-20 16:44:48,139 INFO L290 TraceCheckUtils]: 8: Hoare triple {252#true} __ieee754_powf_~ix~5#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hx~3#1);__ieee754_powf_~iy~2#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hy~1#1); {252#true} is VALID [2022-02-20 16:44:48,139 INFO L290 TraceCheckUtils]: 9: Hoare triple {252#true} assume 0bv32 == __ieee754_powf_~iy~2#1;__ieee754_powf_#res#1 := ~one_pow~0; {252#true} is VALID [2022-02-20 16:44:48,140 INFO L290 TraceCheckUtils]: 10: Hoare triple {252#true} main_#t~ret72#1 := __ieee754_powf_#res#1;assume { :end_inline___ieee754_powf } true;main_~res~0#1 := main_#t~ret72#1;havoc main_#t~ret72#1;assume { :begin_inline_isinf_float } true;isinf_float_#in~x#1 := main_~res~0#1;havoc isinf_float_#res#1;havoc isinf_float_#t~mem66#1, isinf_float_~#gf_u~21#1.base, isinf_float_~#gf_u~21#1.offset, isinf_float_~x#1, isinf_float_~ix~7#1;isinf_float_~x#1 := isinf_float_#in~x#1;havoc isinf_float_~ix~7#1; {252#true} is VALID [2022-02-20 16:44:48,140 INFO L290 TraceCheckUtils]: 11: Hoare triple {252#true} assume !true; {253#false} is VALID [2022-02-20 16:44:48,141 INFO L290 TraceCheckUtils]: 12: Hoare triple {253#false} isinf_float_~ix~7#1 := ~bvand32(2147483647bv32, isinf_float_~ix~7#1);isinf_float_#res#1 := (if 2139095040bv32 == isinf_float_~ix~7#1 then 1bv32 else 0bv32); {253#false} is VALID [2022-02-20 16:44:48,141 INFO L290 TraceCheckUtils]: 13: Hoare triple {253#false} main_#t~ret73#1 := isinf_float_#res#1;assume { :end_inline_isinf_float } true; {253#false} is VALID [2022-02-20 16:44:48,141 INFO L290 TraceCheckUtils]: 14: Hoare triple {253#false} assume 0bv32 == main_#t~ret73#1;havoc main_#t~ret73#1; {253#false} is VALID [2022-02-20 16:44:48,141 INFO L290 TraceCheckUtils]: 15: Hoare triple {253#false} assume !false; {253#false} is VALID [2022-02-20 16:44:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:44:48,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:44:48,143 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:44:48,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836815958] [2022-02-20 16:44:48,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836815958] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:44:48,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:44:48,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:44:48,146 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013205603] [2022-02-20 16:44:48,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:44:48,150 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2022-02-20 16:44:48,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:44:48,153 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-02-20 16:44:48,201 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:44:48,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:44:48,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:44:48,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:44:48,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:44:48,223 INFO L87 Difference]: Start difference. First operand has 249 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-02-20 16:45:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:45:18,191 INFO L93 Difference]: Finished difference Result 495 states and 855 transitions. [2022-02-20 16:45:18,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:45:18,193 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2022-02-20 16:45:18,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:45:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-02-20 16:45:18,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 855 transitions. [2022-02-20 16:45:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-02-20 16:45:18,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 855 transitions. [2022-02-20 16:45:18,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 855 transitions.