./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/fmax.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-esbmc-regression/fmax.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 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-esbmc-regression/fmax.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 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:18:16,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:18:16,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:18:16,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:18:16,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:18:16,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:18:16,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:18:16,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:18:16,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:18:16,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:18:16,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:18:16,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:18:16,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:18:16,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:18:16,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:18:16,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:18:16,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:18:16,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:18:16,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:18:16,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:18:16,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:18:16,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:18:16,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:18:16,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:18:16,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:18:16,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:18:16,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:18:16,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:18:16,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:18:16,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:18:16,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:18:16,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:18:16,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:18:16,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:18:16,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:18:16,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:18:16,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:18:16,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:18:16,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:18:16,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:18:16,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:18:16,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:18:16,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:18:16,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:18:16,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:18:16,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:18:16,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:18:16,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:18:16,268 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:18:16,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:18:16,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:18:16,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:18:16,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:18:16,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:18:16,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:18:16,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:18:16,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:18:16,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:18:16,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:18:16,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:18:16,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:18:16,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:18:16,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:18:16,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:18:16,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:18:16,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:18:16,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:18:16,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:18:16,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:18:16,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:18:16,283 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 -> 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac [2019-11-16 21:18:16,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:18:16,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:18:16,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:18:16,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:18:16,888 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:18:16,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2019-11-16 21:18:17,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b7c8e4e/09b009e58dd340d4a132f7beae2cc31b/FLAG2475e1677 [2019-11-16 21:18:18,053 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:18:18,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2019-11-16 21:18:18,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b7c8e4e/09b009e58dd340d4a132f7beae2cc31b/FLAG2475e1677 [2019-11-16 21:18:18,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b7c8e4e/09b009e58dd340d4a132f7beae2cc31b [2019-11-16 21:18:18,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:18:18,111 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:18:18,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:18:18,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:18:18,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:18:18,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:18:18" (1/1) ... [2019-11-16 21:18:18,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e617a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:18, skipping insertion in model container [2019-11-16 21:18:18,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:18:18" (1/1) ... [2019-11-16 21:18:18,144 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:18:18,215 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:18:19,246 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: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1652) 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:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) 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.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1269) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-16 21:18:19,262 INFO L168 Benchmark]: Toolchain (without parser) took 1145.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:18:19,263 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:18:19,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:18:19,273 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 1138.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 21.5 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: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) 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 21:18:23,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:18:23,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:18:23,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:18:23,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:18:23,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:18:23,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:18:23,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:18:23,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:18:23,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:18:23,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:18:23,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:18:23,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:18:23,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:18:23,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:18:23,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:18:23,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:18:23,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:18:23,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:18:23,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:18:23,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:18:23,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:18:23,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:18:23,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:18:23,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:18:23,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:18:23,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:18:23,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:18:23,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:18:23,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:18:23,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:18:23,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:18:23,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:18:23,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:18:23,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:18:23,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:18:23,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:18:23,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:18:23,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:18:23,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:18:23,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:18:23,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 21:18:23,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:18:23,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:18:23,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:18:23,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:18:23,422 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:18:23,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:18:23,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:18:23,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:18:23,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:18:23,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:18:23,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:18:23,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:18:23,428 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 21:18:23,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 21:18:23,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:18:23,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:18:23,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:18:23,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:18:23,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:18:23,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:18:23,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:18:23,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:18:23,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:18:23,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:18:23,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:18:23,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:18:23,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 21:18:23,439 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 21:18:23,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:18:23,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 21:18:23,441 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 -> 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac [2019-11-16 21:18:24,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:18:24,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:18:24,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:18:24,077 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:18:24,077 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:18:24,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2019-11-16 21:18:24,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f45aacd0/5f34e1ed1300460fbf3cbe1afa2104bb/FLAGee10093dc [2019-11-16 21:18:25,444 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:18:25,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2019-11-16 21:18:25,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f45aacd0/5f34e1ed1300460fbf3cbe1afa2104bb/FLAGee10093dc [2019-11-16 21:18:25,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f45aacd0/5f34e1ed1300460fbf3cbe1afa2104bb [2019-11-16 21:18:25,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:18:25,910 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:18:25,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:18:25,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:18:25,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:18:25,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:18:25" (1/1) ... [2019-11-16 21:18:25,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375a8774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:25, skipping insertion in model container [2019-11-16 21:18:25,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:18:25" (1/1) ... [2019-11-16 21:18:25,961 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:18:26,064 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:18:27,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:18:27,450 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:18:27,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:18:28,153 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:18:28,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28 WrapperNode [2019-11-16 21:18:28,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:18:28,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:18:28,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:18:28,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:18:28,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:18:28,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:18:28,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:18:28,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:18:28,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:18:28" (1/1) ... [2019-11-16 21:18:28,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:18:28,383 INFO L168 Benchmark]: Toolchain (without parser) took 2468.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 887.2 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:18:28,391 INFO L168 Benchmark]: CDTParser took 2.76 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 21:18:28,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2240.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 892.9 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:18:28,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.63 ms. Allocated memory is still 1.0 GB. Free memory was 892.9 MB in the beginning and 887.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:18:28,397 INFO L168 Benchmark]: Boogie Preprocessor took 62.16 ms. Allocated memory is still 1.0 GB. Free memory is still 887.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:18:28,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.76 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 2240.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 892.9 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.63 ms. Allocated memory is still 1.0 GB. Free memory was 892.9 MB in the beginning and 887.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.16 ms. Allocated memory is still 1.0 GB. Free memory is still 887.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...