./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float21.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/float21.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 941e668ccf070b9a219d3bc8afc49564f51e679a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/float21.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 941e668ccf070b9a219d3bc8afc49564f51e679a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:17:43,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:43,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:43,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:43,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:43,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:43,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:43,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:43,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:43,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:43,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:43,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:43,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:43,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:43,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:43,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:43,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:43,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:43,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:43,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:43,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:43,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:43,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:43,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:43,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:43,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:43,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:43,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:43,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:43,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:43,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:43,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:43,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:43,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:43,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:43,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:43,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:43,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:43,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:43,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:43,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:43,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:17:43,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:43,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:43,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:43,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:43,682 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:43,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:43,683 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:43,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:17:43,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:43,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:43,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:43,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:43,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:43,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:43,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:43,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:43,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:43,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:43,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:43,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:43,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:43,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:43,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:43,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:43,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:43,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:17:43,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:17:43,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:43,698 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 -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2019-11-16 21:17:44,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:44,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:44,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:44,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:44,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:44,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float21.i [2019-11-16 21:17:44,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfde1aedb/1dbf5f024e1447eab4fa88c4bf01b7b4/FLAG05d6dd69d [2019-11-16 21:17:45,687 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:45,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float21.i [2019-11-16 21:17:45,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfde1aedb/1dbf5f024e1447eab4fa88c4bf01b7b4/FLAG05d6dd69d [2019-11-16 21:17:45,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfde1aedb/1dbf5f024e1447eab4fa88c4bf01b7b4 [2019-11-16 21:17:45,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:45,775 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:45,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:45,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:45,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:45,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:45" (1/1) ... [2019-11-16 21:17:45,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340538ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:45, skipping insertion in model container [2019-11-16 21:17:45,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:45" (1/1) ... [2019-11-16 21:17:45,825 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:45,936 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:47,132 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.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: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.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.base.CHandler.visit(CHandler.java:1424) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-16 21:17:47,149 INFO L168 Benchmark]: Toolchain (without parser) took 1371.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 990.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:47,150 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:47,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1362.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 990.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:47,160 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 1362.43 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 990.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 21.6 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: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:17:50,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:50,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:51,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:51,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:51,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:51,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:51,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:51,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:51,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:51,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:51,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:51,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:51,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:51,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:51,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:51,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:51,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:51,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:51,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:51,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:51,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:51,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:51,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:51,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:51,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:51,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:51,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:51,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:51,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:51,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:51,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:51,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:51,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:51,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:51,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:51,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:51,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:51,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:51,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:51,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:51,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 21:17:51,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:51,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:51,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:51,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:51,216 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:51,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:51,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:51,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:51,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:51,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:51,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:51,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:51,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 21:17:51,226 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 21:17:51,226 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:51,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:51,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:51,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:51,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:51,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:51,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:51,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:51,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:51,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:51,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:51,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:51,232 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 21:17:51,233 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 21:17:51,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:51,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 21:17:51,235 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 -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2019-11-16 21:17:51,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:51,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:51,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:51,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:51,796 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:51,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float21.i [2019-11-16 21:17:51,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b1c2f44/9167a861f4ab41fca7cef3b5c6529032/FLAGd042e4842 [2019-11-16 21:17:53,175 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:53,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float21.i [2019-11-16 21:17:53,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b1c2f44/9167a861f4ab41fca7cef3b5c6529032/FLAGd042e4842 [2019-11-16 21:17:53,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b1c2f44/9167a861f4ab41fca7cef3b5c6529032 [2019-11-16 21:17:53,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:53,282 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:53,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:53,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:53,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:53,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292d8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53, skipping insertion in model container [2019-11-16 21:17:53,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:53,429 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:54,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:54,744 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:17:54,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:55,565 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:17:55,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55 WrapperNode [2019-11-16 21:17:55,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:55,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:55,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:17:55,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:17:55,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:55,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:17:55,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:17:55,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:17:55,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:17:55,865 INFO L168 Benchmark]: Toolchain (without parser) took 2581.81 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 881.4 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.4 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:55,870 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 21:17:55,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2285.72 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 21:17:55,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.98 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 21:17:55,879 INFO L168 Benchmark]: Boogie Preprocessor took 104.35 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 21:17:55,890 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 2285.72 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. * Boogie Procedure Inliner took 182.98 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 104.35 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...