./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/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_1.5.800.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/floats-cbmc-regression/float-flags-simp1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 e232a229fd97a588b0965972f35cc759d5e34261 ........................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/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_1.5.800.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/floats-cbmc-regression/float-flags-simp1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 e232a229fd97a588b0965972f35cc759d5e34261 ...................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: not yet supported float operation signbit --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:54:29,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:54:29,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:54:29,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:54:29,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:54:29,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:54:29,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:54:29,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:54:29,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:54:29,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:54:29,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:54:29,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:54:29,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:54:29,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:54:29,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:54:29,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:54:29,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:54:29,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:54:29,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:54:29,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:54:29,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:54:29,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:54:29,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:54:29,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:54:29,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:54:29,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:54:29,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:54:29,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:54:29,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:54:29,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:54:29,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:54:29,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:54:29,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:54:29,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:54:29,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:54:29,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:54:29,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:54:29,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:54:29,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:54:29,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:54:29,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:54:29,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 21:54:29,459 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:54:29,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:54:29,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:54:29,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:54:29,462 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:54:29,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:54:29,462 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:54:29,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 21:54:29,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:54:29,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:54:29,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:54:29,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:54:29,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:54:29,464 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:54:29,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:54:29,465 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:54:29,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:54:29,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:54:29,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:54:29,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:54:29,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:54:29,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:54:29,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:54:29,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:54:29,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:54:29,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 21:54:29,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 21:54:29,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:54:29,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:54:29,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e232a229fd97a588b0965972f35cc759d5e34261 [2020-10-24 21:54:29,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:54:29,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:54:29,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:54:29,909 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:54:29,910 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:54:29,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2020-10-24 21:54:29,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061608a3c/3fd7302cb7d940acb71c896f2fd4c7c6/FLAG7f3552c7c [2020-10-24 21:54:30,861 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:54:30,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2020-10-24 21:54:30,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061608a3c/3fd7302cb7d940acb71c896f2fd4c7c6/FLAG7f3552c7c [2020-10-24 21:54:31,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061608a3c/3fd7302cb7d940acb71c896f2fd4c7c6 [2020-10-24 21:54:31,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:54:31,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:54:31,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:54:31,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:54:31,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:54:31,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:31" (1/1) ... [2020-10-24 21:54:31,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ee2944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:31, skipping insertion in model container [2020-10-24 21:54:31,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:31" (1/1) ... [2020-10-24 21:54:31,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:54:31,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:54:31,806 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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.visit(CHandler.java:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1569) 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:1045) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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) [2020-10-24 21:54:31,817 INFO L168 Benchmark]: Toolchain (without parser) took 763.23 ms. Allocated memory is still 48.2 MB. Free memory was 30.9 MB in the beginning and 28.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-10-24 21:54:31,818 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 48.2 MB. Free memory is still 33.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:54:31,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.08 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 28.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-10-24 21:54:31,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 48.2 MB. Free memory is still 33.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 752.08 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 28.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:54:34,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:54:34,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:54:34,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:54:34,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:54:34,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:54:34,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:54:34,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:54:34,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:54:34,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:54:34,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:54:34,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:54:34,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:54:34,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:54:34,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:54:34,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:54:34,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:54:34,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:54:34,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:54:34,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:54:34,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:54:34,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:54:34,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:54:34,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:54:34,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:54:34,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:54:34,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:54:34,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:54:34,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:54:34,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:54:34,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:54:34,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:54:34,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:54:34,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:54:34,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:54:34,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:54:34,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:54:34,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:54:34,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:54:34,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:54:34,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:54:34,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 21:54:34,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:54:34,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:54:34,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:54:34,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:54:34,539 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:54:34,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:54:34,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:54:34,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:54:34,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:54:34,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:54:34,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:54:34,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:54:34,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 21:54:34,543 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 21:54:34,543 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:54:34,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:54:34,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:54:34,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:54:34,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:54:34,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:54:34,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:54:34,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:54:34,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:54:34,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:54:34,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:54:34,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:54:34,546 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 21:54:34,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 21:54:34,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:54:34,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:54:34,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 21:54:34,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e232a229fd97a588b0965972f35cc759d5e34261 [2020-10-24 21:54:34,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:54:35,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:54:35,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:54:35,037 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:54:35,037 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:54:35,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2020-10-24 21:54:35,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664e5525d/3df2707d8c694e32b59fb854c78c3fad/FLAG8e9d14dc1 [2020-10-24 21:54:36,086 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:54:36,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2020-10-24 21:54:36,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664e5525d/3df2707d8c694e32b59fb854c78c3fad/FLAG8e9d14dc1 [2020-10-24 21:54:36,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664e5525d/3df2707d8c694e32b59fb854c78c3fad [2020-10-24 21:54:36,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:54:36,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:54:36,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:54:36,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:54:36,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:54:36,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:36" (1/1) ... [2020-10-24 21:54:36,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1844a7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:36, skipping insertion in model container [2020-10-24 21:54:36,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:36" (1/1) ... [2020-10-24 21:54:36,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:54:36,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:54:37,106 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: not yet supported float operation signbit at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherUnaryFloatOperation(BitvectorTranslation.java:1143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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.visit(CHandler.java:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1569) 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:1045) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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) [2020-10-24 21:54:37,123 INFO L168 Benchmark]: Toolchain (without parser) took 850.87 ms. Allocated memory is still 44.0 MB. Free memory was 27.2 MB in the beginning and 21.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-24 21:54:37,126 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 35.7 MB. Free memory was 19.7 MB in the beginning and 19.7 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:54:37,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.04 ms. Allocated memory is still 44.0 MB. Free memory was 26.6 MB in the beginning and 21.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-24 21:54:37,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 35.7 MB. Free memory was 19.7 MB in the beginning and 19.7 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 841.04 ms. Allocated memory is still 44.0 MB. Free memory was 26.6 MB in the beginning and 21.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: not yet supported float operation signbit de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: not yet supported float operation signbit: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherUnaryFloatOperation(BitvectorTranslation.java:1143) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...