./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.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-cbmc-regression/float-no-simp8.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 77fc148bd97513883654e892347ccb0d3fc61231 ........................................................................................................................................................................ 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-cbmc-regression/float-no-simp8.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 77fc148bd97513883654e892347ccb0d3fc61231 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:15:27,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:15:27,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:15:27,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:15:27,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:15:27,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:15:27,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:15:27,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:15:27,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:15:27,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:15:27,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:15:27,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:15:27,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:15:27,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:15:27,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:15:27,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:15:27,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:15:27,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:15:27,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:15:27,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:15:27,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:15:27,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:15:27,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:15:27,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:15:27,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:15:27,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:15:27,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:15:27,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:15:27,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:15:27,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:15:27,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:15:27,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:15:27,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:15:27,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:15:27,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:15:27,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:15:27,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:15:27,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:15:27,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:15:27,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:15:27,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:15:27,522 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 14:15:27,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:15:27,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:15:27,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:15:27,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:15:27,582 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:15:27,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:15:27,583 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:15:27,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 14:15:27,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:15:27,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:15:27,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:15:27,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:15:27,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:15:27,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:15:27,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:15:27,586 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:15:27,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:15:27,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:15:27,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:15:27,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:15:27,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:15:27,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:15:27,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:15:27,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:15:27,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:15:27,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 14:15:27,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 14:15:27,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:15:27,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:15:27,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77fc148bd97513883654e892347ccb0d3fc61231 [2020-10-24 14:15:27,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:15:28,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:15:28,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:15:28,047 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:15:28,049 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:15:28,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2020-10-24 14:15:28,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bac05a09/519e4daa4a3748d391ff419ff3ebe4db/FLAG90b82f2be [2020-10-24 14:15:28,986 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:15:28,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2020-10-24 14:15:29,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bac05a09/519e4daa4a3748d391ff419ff3ebe4db/FLAG90b82f2be [2020-10-24 14:15:29,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bac05a09/519e4daa4a3748d391ff419ff3ebe4db [2020-10-24 14:15:29,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:15:29,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:15:29,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:15:29,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:15:29,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:15:29,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:15:29" (1/1) ... [2020-10-24 14:15:29,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa5b148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:29, skipping insertion in model container [2020-10-24 14:15:29,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:15:29" (1/1) ... [2020-10-24 14:15:29,275 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:15:29,378 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:15:29,967 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: signbit 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:1079) 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:2341) 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: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.base.CHandler.visit(CHandler.java:705) 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:2341) 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:2341) 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:1568) 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: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 14:15:29,977 INFO L168 Benchmark]: Toolchain (without parser) took 767.75 ms. Allocated memory is still 48.2 MB. Free memory was 23.4 MB in the beginning and 21.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:29,978 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:15:29,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.15 ms. Allocated memory is still 48.2 MB. Free memory was 22.8 MB in the beginning and 21.8 MB in the end (delta: 973.8 kB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:29,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.15 ms. Allocated memory is still 48.2 MB. Free memory was 22.8 MB in the beginning and 21.8 MB in the end (delta: 973.8 kB). Peak memory consumption was 3.7 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: signbit de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: signbit: 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 14:15:32,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:15:32,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:15:32,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:15:32,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:15:32,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:15:32,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:15:32,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:15:32,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:15:32,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:15:32,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:15:32,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:15:32,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:15:32,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:15:32,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:15:32,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:15:32,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:15:32,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:15:32,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:15:32,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:15:32,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:15:32,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:15:32,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:15:32,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:15:32,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:15:32,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:15:32,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:15:32,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:15:32,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:15:32,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:15:32,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:15:32,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:15:32,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:15:32,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:15:32,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:15:32,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:15:32,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:15:32,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:15:32,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:15:32,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:15:32,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:15:32,637 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 14:15:32,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:15:32,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:15:32,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:15:32,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:15:32,697 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:15:32,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:15:32,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:15:32,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:15:32,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:15:32,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:15:32,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:15:32,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:15:32,700 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 14:15:32,700 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 14:15:32,701 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:15:32,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:15:32,701 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:15:32,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:15:32,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:15:32,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:15:32,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:15:32,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:15:32,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:15:32,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:15:32,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:15:32,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:15:32,704 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 14:15:32,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 14:15:32,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:15:32,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:15:32,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 14:15:32,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77fc148bd97513883654e892347ccb0d3fc61231 [2020-10-24 14:15:33,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:15:33,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:15:33,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:15:33,146 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:15:33,147 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:15:33,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2020-10-24 14:15:33,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6faa75e1/f5c2bb7b02004102865122c1c1388b62/FLAGbf0f73acb [2020-10-24 14:15:34,140 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:15:34,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2020-10-24 14:15:34,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6faa75e1/f5c2bb7b02004102865122c1c1388b62/FLAGbf0f73acb [2020-10-24 14:15:34,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6faa75e1/f5c2bb7b02004102865122c1c1388b62 [2020-10-24 14:15:34,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:15:34,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:15:34,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:15:34,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:15:34,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:15:34,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:15:34" (1/1) ... [2020-10-24 14:15:34,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7485b83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:34, skipping insertion in model container [2020-10-24 14:15:34,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:15:34" (1/1) ... [2020-10-24 14:15:34,404 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:15:34,453 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:15:35,112 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:15:35,132 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:15:35,199 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:15:35,573 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:15:35,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35 WrapperNode [2020-10-24 14:15:35,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:15:35,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:15:35,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:15:35,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:15:35,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 14:15:35,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 14:15:35,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 14:15:35,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 14:15:35,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (1/1) ... [2020-10-24 14:15:35,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 14:15:35,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 14:15:35,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 14:15:35,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 14:15:35,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (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 14:15:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-10-24 14:15:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 14:15:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 14:15:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 14:15:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 14:15:36,280 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 14:15:36,280 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-24 14:15:36,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:15:36 BoogieIcfgContainer [2020-10-24 14:15:36,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 14:15:36,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 14:15:36,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 14:15:36,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 14:15:36,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:15:34" (1/3) ... [2020-10-24 14:15:36,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e96f7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:15:36, skipping insertion in model container [2020-10-24 14:15:36,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:35" (2/3) ... [2020-10-24 14:15:36,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e96f7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:15:36, skipping insertion in model container [2020-10-24 14:15:36,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:15:36" (3/3) ... [2020-10-24 14:15:36,311 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp8.i [2020-10-24 14:15:36,329 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 14:15:36,334 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 14:15:36,354 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 14:15:36,407 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 14:15:36,407 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 14:15:36,407 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 14:15:36,408 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 14:15:36,408 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 14:15:36,408 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 14:15:36,408 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 14:15:36,408 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 14:15:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-10-24 14:15:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-24 14:15:36,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:15:36,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-24 14:15:36,438 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:15:36,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:15:36,447 INFO L82 PathProgramCache]: Analyzing trace with hash 28693859, now seen corresponding path program 1 times [2020-10-24 14:15:36,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 14:15:36,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358070557] [2020-10-24 14:15:36,464 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 14:15:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 14:15:36,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-24 14:15:36,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 14:15:36,988 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 14:15:36,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 14:15:37,087 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 14:15:37,097 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-24 14:15:37,102 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-24 14:15:37,107 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 14:15:42,193 WARN L193 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-10-24 14:15:42,197 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 14:15:42,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358070557] [2020-10-24 14:15:42,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 14:15:42,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-24 14:15:42,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816122583] [2020-10-24 14:15:42,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 14:15:42,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 14:15:42,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 14:15:42,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 14:15:42,225 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 6 states. [2020-10-24 14:15:42,448 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-10-24 14:15:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 14:15:42,476 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2020-10-24 14:15:42,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 14:15:42,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-10-24 14:15:42,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 14:15:42,500 INFO L225 Difference]: With dead ends: 15 [2020-10-24 14:15:42,501 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 14:15:42,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-24 14:15:42,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 14:15:42,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 14:15:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 14:15:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 14:15:42,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-10-24 14:15:42,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 14:15:42,530 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 14:15:42,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 14:15:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 14:15:42,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 14:15:42,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 14:15:42,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 14:15:42,904 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-10-24 14:15:42,908 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 14:15:42,908 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 14:15:42,908 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 14:15:42,909 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 14:15:42,909 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-24 14:15:42,909 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-10-24 14:15:42,910 INFO L270 CegarLoopResult]: At program point L971(lines 962 972) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start_main_~target~0) ((_ extract 30 23) ULTIMATE.start_main_~target~0) ((_ extract 22 0) ULTIMATE.start_main_~target~0)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32))) (exists ((|v_ULTIMATE.start_main_#t~nondet87_5| (_ BitVec 32)) (ULTIMATE.start_main_~g~0 (_ BitVec 32)) (ULTIMATE.start_main_~f~0 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet87_5|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet87_5|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet87_5|))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 680564733841876926926749214863536422912.0))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~f~0) ((_ extract 30 23) ULTIMATE.start_main_~f~0) ((_ extract 22 0) ULTIMATE.start_main_~f~0))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~g~0) ((_ extract 30 23) ULTIMATE.start_main_~g~0) ((_ extract 22 0) ULTIMATE.start_main_~g~0)))) (and (= .cse0 .cse1) (= .cse2 (fp.neg .cse1)) (= .cse0 .cse3) (= (fp.add roundNearestTiesToEven .cse2 .cse3) (fp ((_ extract 31 31) ULTIMATE.start_main_~result~0) ((_ extract 30 23) ULTIMATE.start_main_~result~0) ((_ extract 22 0) ULTIMATE.start_main_~result~0)))))) (= roundNearestTiesToEven ~CRM)) [2020-10-24 14:15:42,910 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-24 14:15:42,910 INFO L274 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2020-10-24 14:15:42,910 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-10-24 14:15:42,910 INFO L274 CegarLoopResult]: For program point L969-2(line 969) no Hoare annotation was computed. [2020-10-24 14:15:42,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 14:15:42,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:42,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:42,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:42,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:42,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 14:15:42,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:15:42 BoogieIcfgContainer [2020-10-24 14:15:42,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 14:15:42,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 14:15:42,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 14:15:42,947 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 14:15:42,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:15:36" (3/4) ... [2020-10-24 14:15:42,952 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 14:15:42,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-24 14:15:42,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-24 14:15:42,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-24 14:15:42,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 14:15:42,995 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp~LONGDOUBLE(target[31:31], target[30:23], target[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32) && (\exists v_ULTIMATE.start_main_#t~nondet87_5 : bv32, ULTIMATE.start_main_~g~0 : bv32, ULTIMATE.start_main_~f~0 : bv32 :: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/680564733841876926926749214863536422912) == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet87_5[31:31], v_ULTIMATE.start_main_#t~nondet87_5[30:23], v_ULTIMATE.start_main_#t~nondet87_5[22:0]) && ~fp~LONGDOUBLE(ULTIMATE.start_main_~f~0[31:31], ULTIMATE.start_main_~f~0[30:23], ULTIMATE.start_main_~f~0[22:0]) == ~fp.neg~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet87_5[31:31], v_ULTIMATE.start_main_#t~nondet87_5[30:23], v_ULTIMATE.start_main_#t~nondet87_5[22:0]))) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/680564733841876926926749214863536422912) == ~fp~LONGDOUBLE(ULTIMATE.start_main_~g~0[31:31], ULTIMATE.start_main_~g~0[30:23], ULTIMATE.start_main_~g~0[22:0])) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(ULTIMATE.start_main_~f~0[31:31], ULTIMATE.start_main_~f~0[30:23], ULTIMATE.start_main_~f~0[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start_main_~g~0[31:31], ULTIMATE.start_main_~g~0[30:23], ULTIMATE.start_main_~g~0[22:0])) == ~fp~LONGDOUBLE(result[31:31], result[30:23], result[22:0]))) && ~roundNearestTiesToEven == unknown-~CRM-unknown [2020-10-24 14:15:43,010 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 14:15:43,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 14:15:43,013 INFO L168 Benchmark]: Toolchain (without parser) took 8643.11 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 18.4 MB in the beginning and 30.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:43,013 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 41.9 MB. Free memory was 22.4 MB in the beginning and 22.3 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:15:43,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1199.19 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.7 MB in the beginning and 25.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:43,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.26 ms. Allocated memory is still 50.3 MB. Free memory was 25.2 MB in the beginning and 22.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:43,016 INFO L168 Benchmark]: Boogie Preprocessor took 30.38 ms. Allocated memory is still 50.3 MB. Free memory was 22.8 MB in the beginning and 21.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:43,017 INFO L168 Benchmark]: RCFGBuilder took 598.91 ms. Allocated memory is still 50.3 MB. Free memory was 21.4 MB in the beginning and 25.6 MB in the end (delta: -4.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:43,018 INFO L168 Benchmark]: TraceAbstraction took 6657.68 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 25.2 MB in the beginning and 32.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:43,018 INFO L168 Benchmark]: Witness Printer took 63.75 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 30.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:15:43,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 41.9 MB. Free memory was 22.4 MB in the beginning and 22.3 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1199.19 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.7 MB in the beginning and 25.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.26 ms. Allocated memory is still 50.3 MB. Free memory was 25.2 MB in the beginning and 22.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.38 ms. Allocated memory is still 50.3 MB. Free memory was 22.8 MB in the beginning and 21.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 598.91 ms. Allocated memory is still 50.3 MB. Free memory was 21.4 MB in the beginning and 25.6 MB in the end (delta: -4.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6657.68 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 25.2 MB in the beginning and 32.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Witness Printer took 63.75 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 30.0 MB in the end (delta: 2.6 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] - 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 962]: Loop Invariant [2020-10-24 14:15:43,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,036 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,036 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,036 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,036 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,039 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 14:15:43,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet87_5,QUANTIFIED] [2020-10-24 14:15:43,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-10-24 14:15:43,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~g~0,QUANTIFIED] [2020-10-24 14:15:43,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 14:15:43,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM Derived loop invariant: (~fp~LONGDOUBLE(target[31:31], target[30:23], target[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32) && (\exists v_ULTIMATE.start_main_#t~nondet87_5 : bv32, ULTIMATE.start_main_~g~0 : bv32, ULTIMATE.start_main_~f~0 : bv32 :: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/680564733841876926926749214863536422912) == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet87_5[31:31], v_ULTIMATE.start_main_#t~nondet87_5[30:23], v_ULTIMATE.start_main_#t~nondet87_5[22:0]) && ~fp~LONGDOUBLE(ULTIMATE.start_main_~f~0[31:31], ULTIMATE.start_main_~f~0[30:23], ULTIMATE.start_main_~f~0[22:0]) == ~fp.neg~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet87_5[31:31], v_ULTIMATE.start_main_#t~nondet87_5[30:23], v_ULTIMATE.start_main_#t~nondet87_5[22:0]))) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/680564733841876926926749214863536422912) == ~fp~LONGDOUBLE(ULTIMATE.start_main_~g~0[31:31], ULTIMATE.start_main_~g~0[30:23], ULTIMATE.start_main_~g~0[22:0])) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(ULTIMATE.start_main_~f~0[31:31], ULTIMATE.start_main_~f~0[30:23], ULTIMATE.start_main_~f~0[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start_main_~g~0[31:31], ULTIMATE.start_main_~g~0[30:23], ULTIMATE.start_main_~g~0[22:0])) == ~fp~LONGDOUBLE(result[31:31], result[30:23], result[22:0]))) && ~roundNearestTiesToEven == unknown-~CRM-unknown - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 79 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 1196 SizeOfPredicates, 5 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 7 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...