./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-no-simp2.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e26e7af47553678bb6b29863e9db124dbc3ba0b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-no-simp2.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e26e7af47553678bb6b29863e9db124dbc3ba0b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:17:38,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:38,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:38,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:38,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:38,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:38,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:38,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:38,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:38,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:38,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:38,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:38,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:38,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:38,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:38,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:38,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:38,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:38,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:38,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:38,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:38,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:38,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:38,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:38,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:38,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:38,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:38,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:38,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:38,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:38,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:38,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:38,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:38,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:38,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:38,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:38,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:38,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:38,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:38,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:38,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:38,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:17:38,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:38,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:38,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:38,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:38,363 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:38,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:38,363 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:38,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:17:38,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:38,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:38,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:38,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:38,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:38,366 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:38,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:38,366 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:38,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:38,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:38,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:38,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:38,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:38,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:38,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:38,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:38,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:38,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:17:38,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:17:38,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:38,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 6e26e7af47553678bb6b29863e9db124dbc3ba0b [2019-11-16 21:17:38,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:38,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:38,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:38,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:38,992 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:38,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2019-11-16 21:17:39,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e40b6d80/aa9374b913ee4058b3ece2f8c5751776/FLAGca833d441 [2019-11-16 21:17:40,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:40,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2019-11-16 21:17:40,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e40b6d80/aa9374b913ee4058b3ece2f8c5751776/FLAGca833d441 [2019-11-16 21:17:40,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e40b6d80/aa9374b913ee4058b3ece2f8c5751776 [2019-11-16 21:17:40,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:40,758 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:40,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:40,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:40,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:40,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:40" (1/1) ... [2019-11-16 21:17:40,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235e82f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:40, skipping insertion in model container [2019-11-16 21:17:40,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:40" (1/1) ... [2019-11-16 21:17:40,799 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:40,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:42,137 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:941) 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:2226) 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:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1616) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:1213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) 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:1284) 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:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-16 21:17:42,163 INFO L168 Benchmark]: Toolchain (without parser) took 1397.46 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 945.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:42,165 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:42,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1391.12 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 945.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:42,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1391.12 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 945.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:17:46,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:46,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:46,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:46,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:46,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:46,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:46,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:46,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:46,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:46,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:46,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:46,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:46,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:46,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:46,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:46,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:46,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:46,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:46,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:46,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:46,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:46,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:46,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:46,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:46,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:46,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:46,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:46,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:46,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:46,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:46,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:46,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:46,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:46,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:46,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:46,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:46,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:46,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:46,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:46,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:46,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 21:17:46,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:46,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:46,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:46,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:46,294 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:46,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:46,295 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:46,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:46,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:46,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:46,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:46,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:46,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 21:17:46,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 21:17:46,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:46,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:46,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:46,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:46,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:46,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:46,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:46,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:46,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:46,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:46,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:46,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:46,308 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 21:17:46,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 21:17:46,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:46,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 21:17:46,311 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 6e26e7af47553678bb6b29863e9db124dbc3ba0b [2019-11-16 21:17:46,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:46,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:46,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:46,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:46,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:46,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2019-11-16 21:17:47,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4440dfb9/cb9d0251f03c40f898f9f8dee53af08f/FLAGae877092d [2019-11-16 21:17:48,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:48,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2019-11-16 21:17:48,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4440dfb9/cb9d0251f03c40f898f9f8dee53af08f/FLAGae877092d [2019-11-16 21:17:48,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4440dfb9/cb9d0251f03c40f898f9f8dee53af08f [2019-11-16 21:17:48,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:48,699 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:48,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:48,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:48,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:48,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:48" (1/1) ... [2019-11-16 21:17:48,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b01dccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:48, skipping insertion in model container [2019-11-16 21:17:48,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:48" (1/1) ... [2019-11-16 21:17:48,744 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:48,861 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:50,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:50,207 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:17:50,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:50,978 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:17:50,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50 WrapperNode [2019-11-16 21:17:50,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:50,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:50,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:17:50,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:17:51,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:51,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:17:51,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:17:51,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:17:51,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:51,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:17:51,303 INFO L168 Benchmark]: Toolchain (without parser) took 2599.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 881.4 MB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:51,310 INFO L168 Benchmark]: CDTParser took 4.07 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:51,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2277.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 887.1 MB in the end (delta: 78.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:51,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.57 ms. Allocated memory is still 1.0 GB. Free memory is still 887.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:51,318 INFO L168 Benchmark]: Boogie Preprocessor took 107.47 ms. Allocated memory is still 1.0 GB. Free memory was 887.1 MB in the beginning and 881.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:51,328 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.07 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2277.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 887.1 MB in the end (delta: 78.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 203.57 ms. Allocated memory is still 1.0 GB. Free memory is still 887.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.47 ms. Allocated memory is still 1.0 GB. Free memory was 887.1 MB in the beginning and 881.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...