./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float8.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/float8.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 b40554704e1a1d546b5e4595d3df0dfa2abf21e3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/float8.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 b40554704e1a1d546b5e4595d3df0dfa2abf21e3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:17:44,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:44,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:44,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:44,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:44,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:44,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:44,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:44,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:44,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:44,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:44,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:44,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:44,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:44,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:44,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:44,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:44,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:44,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:44,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:44,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:44,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:44,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:44,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:44,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:44,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:44,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:44,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:44,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:44,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:44,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:44,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:44,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:44,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:44,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:44,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:44,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:44,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:44,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:44,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:44,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:44,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:17:44,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:44,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:44,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:44,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:44,463 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:44,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:44,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:44,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:17:44,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:44,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:44,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:44,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:44,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:44,469 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:44,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:44,471 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:44,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:44,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:44,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:44,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:44,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:44,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:44,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:44,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:44,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:44,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:17:44,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:17:44,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:44,477 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 -> b40554704e1a1d546b5e4595d3df0dfa2abf21e3 [2019-11-16 21:17:45,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:45,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:45,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:45,067 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:45,068 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:45,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float8.i [2019-11-16 21:17:45,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c67f488/d23001e0b51e4a81822982dac1335cd9/FLAG8311208b7 [2019-11-16 21:17:46,356 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:46,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float8.i [2019-11-16 21:17:46,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c67f488/d23001e0b51e4a81822982dac1335cd9/FLAG8311208b7 [2019-11-16 21:17:46,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c67f488/d23001e0b51e4a81822982dac1335cd9 [2019-11-16 21:17:46,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:46,882 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:46,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:46,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:46,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:46,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:46" (1/1) ... [2019-11-16 21:17:46,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e6c034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:46, skipping insertion in model container [2019-11-16 21:17:46,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:46" (1/1) ... [2019-11-16 21:17:46,918 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:47,024 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:47,980 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: finite 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.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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-16 21:17:48,011 INFO L168 Benchmark]: Toolchain (without parser) took 1124.52 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 941.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:48,013 INFO L168 Benchmark]: CDTParser took 3.48 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:48,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1110.68 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 941.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:48,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.48 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 1110.68 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 941.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 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: finite de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: finite: 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 21:17:51,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:51,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:51,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:51,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:51,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:51,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:51,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:51,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:52,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:52,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:52,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:52,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:52,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:52,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:52,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:52,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:52,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:52,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:52,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:52,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:52,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:52,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:52,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:52,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:52,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:52,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:52,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:52,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:52,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:52,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:52,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:52,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:52,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:52,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:52,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:52,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:52,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:52,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:52,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:52,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:52,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 21:17:52,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:52,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:52,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:52,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:52,162 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:52,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:52,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:52,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:52,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:52,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:52,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:52,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:52,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 21:17:52,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 21:17:52,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:52,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:52,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:52,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:52,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:52,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:52,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:52,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:52,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:52,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:52,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:52,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:52,176 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 21:17:52,178 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 21:17:52,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:52,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 21:17:52,181 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 -> b40554704e1a1d546b5e4595d3df0dfa2abf21e3 [2019-11-16 21:17:52,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:52,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:52,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:52,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:52,746 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:52,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float8.i [2019-11-16 21:17:52,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a89c6e1/9898e366e42c48ac8e4d961645a4346e/FLAGbf72845e4 [2019-11-16 21:17:54,069 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:54,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float8.i [2019-11-16 21:17:54,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a89c6e1/9898e366e42c48ac8e4d961645a4346e/FLAGbf72845e4 [2019-11-16 21:17:54,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a89c6e1/9898e366e42c48ac8e4d961645a4346e [2019-11-16 21:17:54,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:54,578 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:54,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:54,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:54,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:54,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:54" (1/1) ... [2019-11-16 21:17:54,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a330f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:54, skipping insertion in model container [2019-11-16 21:17:54,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:54" (1/1) ... [2019-11-16 21:17:54,606 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:54,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:56,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:56,056 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:17:56,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:56,854 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:17:56,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56 WrapperNode [2019-11-16 21:17:56,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:56,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:56,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:17:56,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:17:56,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:57,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:57,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:17:57,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:17:57,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:17:57,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:57,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:57,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:57,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:57,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:57,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:57,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:57,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:17:57,087 INFO L168 Benchmark]: Toolchain (without parser) took 2509.86 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 887.1 MB in the end (delta: 74.6 MB). Peak memory consumption was 74.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:57,100 INFO L168 Benchmark]: CDTParser took 2.41 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 21:17:57,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2278.08 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 892.8 MB in the end (delta: 68.9 MB). Peak memory consumption was 68.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:57,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.14 ms. Allocated memory is still 1.0 GB. Free memory was 892.8 MB in the beginning and 887.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:57,112 INFO L168 Benchmark]: Boogie Preprocessor took 62.97 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 21:17:57,122 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.41 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 2278.08 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 892.8 MB in the end (delta: 68.9 MB). Peak memory consumption was 68.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.14 ms. Allocated memory is still 1.0 GB. Free memory was 892.8 MB in the beginning and 887.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.97 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...