./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/floor.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/floor.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e420964589660c135cf4996f7df16620d0b77eb ................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/floor.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e420964589660c135cf4996f7df16620d0b77eb ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:00:11,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:00:11,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:00:11,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:00:11,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:00:11,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:00:11,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:00:11,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:00:11,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:00:11,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:00:11,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:00:11,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:00:11,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:00:11,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:00:11,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:00:11,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:00:11,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:00:11,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:00:11,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:00:11,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:00:11,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:00:11,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:00:11,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:00:11,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:00:11,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:00:11,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:00:11,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:00:11,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:00:11,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:00:11,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:00:11,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:00:11,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:00:11,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:00:11,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:00:11,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:00:11,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:00:11,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:00:11,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:00:11,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:00:11,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:00:11,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:00:11,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:00:11,616 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:00:11,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:00:11,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:00:11,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:00:11,622 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:00:11,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:00:11,623 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:00:11,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:00:11,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:00:11,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:00:11,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:00:11,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:00:11,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:00:11,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:00:11,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:00:11,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:00:11,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:00:11,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:00:11,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:00:11,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:00:11,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:00:11,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:00:11,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:00:11,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:00:11,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:00:11,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:00:11,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:00:11,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:00:11,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:00:11,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e420964589660c135cf4996f7df16620d0b77eb [2020-10-24 15:00:12,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:00:12,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:00:12,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:00:12,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:00:12,097 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:00:12,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/floor.i [2020-10-24 15:00:12,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91baf6601/19ef97ece71d45cab81406be52d5cb18/FLAG17a1af4f2 [2020-10-24 15:00:12,932 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:00:12,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/floor.i [2020-10-24 15:00:12,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91baf6601/19ef97ece71d45cab81406be52d5cb18/FLAG17a1af4f2 [2020-10-24 15:00:13,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91baf6601/19ef97ece71d45cab81406be52d5cb18 [2020-10-24 15:00:13,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:00:13,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:00:13,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:00:13,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:00:13,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:00:13,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:00:13" (1/1) ... [2020-10-24 15:00:13,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceb7f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:13, skipping insertion in model container [2020-10-24 15:00:13,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:00:13" (1/1) ... [2020-10-24 15:00:13,254 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:00:13,325 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:00:14,043 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: floor at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1400) 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:704) 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:174) 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:1407) 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:1351) 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:1044) 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:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) 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:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 15:00:14,054 INFO L168 Benchmark]: Toolchain (without parser) took 837.14 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 24.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:14,056 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 39.8 MB. Free memory was 17.6 MB in the beginning and 17.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:00:14,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.36 ms. Allocated memory is still 50.3 MB. Free memory was 24.9 MB in the beginning and 24.5 MB in the end (delta: 474.3 kB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:14,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 39.8 MB. Free memory was 17.6 MB in the beginning and 17.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 825.36 ms. Allocated memory is still 50.3 MB. Free memory was 24.9 MB in the beginning and 24.5 MB in the end (delta: 474.3 kB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: floor de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: floor: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:00:16,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:00:16,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:00:16,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:00:16,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:00:16,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:00:16,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:00:16,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:00:16,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:00:16,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:00:16,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:00:16,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:00:16,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:00:16,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:00:16,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:00:16,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:00:16,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:00:16,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:00:16,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:00:16,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:00:16,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:00:16,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:00:16,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:00:16,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:00:16,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:00:16,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:00:16,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:00:16,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:00:16,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:00:16,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:00:16,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:00:16,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:00:16,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:00:16,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:00:16,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:00:16,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:00:16,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:00:16,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:00:16,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:00:16,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:00:16,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:00:16,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:00:16,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:00:16,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:00:16,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:00:16,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:00:16,873 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:00:16,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:00:16,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:00:16,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:00:16,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:00:16,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:00:16,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:00:16,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:00:16,876 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:00:16,876 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:00:16,876 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:00:16,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:00:16,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:00:16,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:00:16,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:00:16,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:00:16,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:00:16,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:00:16,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:00:16,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:00:16,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:00:16,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:00:16,879 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:00:16,879 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:00:16,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:00:16,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:00:16,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:00:16,880 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e420964589660c135cf4996f7df16620d0b77eb [2020-10-24 15:00:17,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:00:17,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:00:17,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:00:17,385 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:00:17,387 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:00:17,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/floor.i [2020-10-24 15:00:17,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dec0d056a/b9be3ab68b364a75b3dc44569c0c18af/FLAG6671a4885 [2020-10-24 15:00:18,192 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:00:18,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/floor.i [2020-10-24 15:00:18,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dec0d056a/b9be3ab68b364a75b3dc44569c0c18af/FLAG6671a4885 [2020-10-24 15:00:18,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dec0d056a/b9be3ab68b364a75b3dc44569c0c18af [2020-10-24 15:00:18,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:00:18,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:00:18,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:00:18,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:00:18,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:00:18,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:00:18" (1/1) ... [2020-10-24 15:00:18,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5312e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:18, skipping insertion in model container [2020-10-24 15:00:18,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:00:18" (1/1) ... [2020-10-24 15:00:18,517 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:00:18,592 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:00:19,129 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:00:19,149 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:00:19,189 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:00:19,538 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:00:19,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19 WrapperNode [2020-10-24 15:00:19,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:00:19,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:00:19,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:00:19,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:00:19,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:00:19,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:00:19,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:00:19,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:00:19,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... [2020-10-24 15:00:19,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:00:19,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:00:19,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:00:19,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:00:19,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:00:19,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 15:00:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:00:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:00:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:00:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:00:20,179 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:00:20,179 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-24 15:00:20,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:00:20 BoogieIcfgContainer [2020-10-24 15:00:20,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:00:20,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:00:20,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:00:20,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:00:20,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:00:18" (1/3) ... [2020-10-24 15:00:20,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c694ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:00:20, skipping insertion in model container [2020-10-24 15:00:20,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:19" (2/3) ... [2020-10-24 15:00:20,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c694ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:00:20, skipping insertion in model container [2020-10-24 15:00:20,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:00:20" (3/3) ... [2020-10-24 15:00:20,191 INFO L111 eAbstractionObserver]: Analyzing ICFG floor.i [2020-10-24 15:00:20,218 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:00:20,231 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-24 15:00:20,264 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-24 15:00:20,333 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:00:20,333 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:00:20,333 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:00:20,333 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:00:20,333 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:00:20,333 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:00:20,334 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:00:20,334 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:00:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-10-24 15:00:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-24 15:00:20,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:00:20,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-24 15:00:20,363 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:00:20,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:00:20,372 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-10-24 15:00:20,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:00:20,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148934020] [2020-10-24 15:00:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 15:00:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:00:20,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-24 15:00:20,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:00:20,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:00:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:00:20,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:00:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:00:20,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148934020] [2020-10-24 15:00:20,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:00:20,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-24 15:00:20,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144853919] [2020-10-24 15:00:20,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 15:00:20,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:00:20,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 15:00:20,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 15:00:20,805 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 5 states. [2020-10-24 15:00:20,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:00:20,986 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-10-24 15:00:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 15:00:20,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2020-10-24 15:00:20,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:00:20,999 INFO L225 Difference]: With dead ends: 41 [2020-10-24 15:00:20,999 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 15:00:21,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 15:00:21,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 15:00:21,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 15:00:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 15:00:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 15:00:21,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-10-24 15:00:21,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:00:21,036 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 15:00:21,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 15:00:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 15:00:21,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 15:00:21,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:00:21,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 15:00:21,371 INFO L274 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,371 INFO L274 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,372 INFO L274 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,372 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,372 INFO L274 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-10-24 15:00:21,372 INFO L274 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-10-24 15:00:21,373 INFO L270 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= roundNearestTiesToEven ~CRM)) [2020-10-24 15:00:21,373 INFO L274 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-10-24 15:00:21,373 INFO L274 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-10-24 15:00:21,375 INFO L270 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= roundNearestTiesToEven ~CRM)) [2020-10-24 15:00:21,375 INFO L274 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-10-24 15:00:21,375 INFO L274 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-10-24 15:00:21,376 INFO L270 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= roundNearestTiesToEven ~CRM)) [2020-10-24 15:00:21,376 INFO L274 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-10-24 15:00:21,378 INFO L274 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-10-24 15:00:21,379 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 15:00:21,386 INFO L270 CegarLoopResult]: At program point L878-15(lines 1 890) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= roundNearestTiesToEven ~CRM)) [2020-10-24 15:00:21,386 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 15:00:21,386 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 15:00:21,387 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,387 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 15:00:21,389 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,389 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,389 INFO L274 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,389 INFO L274 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,389 INFO L274 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,390 INFO L274 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,390 INFO L274 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,390 INFO L274 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,392 INFO L274 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,392 INFO L274 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,392 INFO L274 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-10-24 15:00:21,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:00:21 BoogieIcfgContainer [2020-10-24 15:00:21,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:00:21,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:00:21,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:00:21,441 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:00:21,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:00:20" (3/4) ... [2020-10-24 15:00:21,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 15:00:21,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-10-24 15:00:21,472 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 15:00:21,472 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 15:00:21,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 15:00:21,581 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 15:00:21,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:00:21,589 INFO L168 Benchmark]: Toolchain (without parser) took 3118.42 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.4 MB in the beginning and 29.2 MB in the end (delta: -8.8 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:21,590 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 44.0 MB. Free memory was 29.3 MB in the beginning and 29.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:00:21,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1065.83 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.8 MB in the beginning and 22.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:21,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.63 ms. Allocated memory is still 54.5 MB. Free memory was 22.0 MB in the beginning and 19.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:21,592 INFO L168 Benchmark]: Boogie Preprocessor took 65.97 ms. Allocated memory is still 54.5 MB. Free memory was 19.0 MB in the beginning and 17.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:21,592 INFO L168 Benchmark]: RCFGBuilder took 489.70 ms. Allocated memory is still 54.5 MB. Free memory was 17.8 MB in the beginning and 23.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:21,593 INFO L168 Benchmark]: TraceAbstraction took 1253.43 ms. Allocated memory is still 54.5 MB. Free memory was 23.4 MB in the beginning and 32.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:21,593 INFO L168 Benchmark]: Witness Printer took 141.72 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 29.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:00:21,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 44.0 MB. Free memory was 29.3 MB in the beginning and 29.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1065.83 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.8 MB in the beginning and 22.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.63 ms. Allocated memory is still 54.5 MB. Free memory was 22.0 MB in the beginning and 19.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.97 ms. Allocated memory is still 54.5 MB. Free memory was 19.0 MB in the beginning and 17.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 489.70 ms. Allocated memory is still 54.5 MB. Free memory was 17.8 MB in the beginning and 23.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1253.43 ms. Allocated memory is still 54.5 MB. Free memory was 23.4 MB in the beginning and 32.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * Witness Printer took 141.72 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 29.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant [2020-10-24 15:00:21,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && ~roundNearestTiesToEven == unknown-~CRM-unknown - InvariantResult [Line: 878]: Loop Invariant [2020-10-24 15:00:21,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && ~roundNearestTiesToEven == unknown-~CRM-unknown - InvariantResult [Line: 878]: Loop Invariant [2020-10-24 15:00:21,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && ~roundNearestTiesToEven == unknown-~CRM-unknown - InvariantResult [Line: 1]: Loop Invariant [2020-10-24 15:00:21,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:00:21,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:00:21,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && ~roundNearestTiesToEven == unknown-~CRM-unknown - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 21 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 36 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 5 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...