./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d056a1f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 606f7c2605a208e0a98efea41e23adfc30d8b8f4 ....................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 606f7c2605a208e0a98efea41e23adfc30d8b8f4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-3d056a1 [2019-11-22 14:14:40,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 14:14:40,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 14:14:40,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 14:14:40,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 14:14:40,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 14:14:40,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 14:14:40,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 14:14:40,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 14:14:40,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 14:14:40,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 14:14:40,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 14:14:40,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 14:14:40,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 14:14:40,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 14:14:40,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 14:14:40,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 14:14:40,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 14:14:40,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 14:14:40,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 14:14:40,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 14:14:40,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 14:14:40,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 14:14:40,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 14:14:40,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 14:14:40,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 14:14:40,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 14:14:40,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 14:14:40,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 14:14:40,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 14:14:40,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 14:14:40,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 14:14:40,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 14:14:40,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 14:14:40,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 14:14:40,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 14:14:40,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 14:14:40,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 14:14:40,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 14:14:40,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 14:14:40,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 14:14:40,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-22 14:14:40,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 14:14:40,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 14:14:40,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 14:14:40,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 14:14:40,723 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 14:14:40,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 14:14:40,724 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 14:14:40,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 14:14:40,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 14:14:40,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 14:14:40,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-22 14:14:40,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 14:14:40,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-22 14:14:40,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 14:14:40,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 14:14:40,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-22 14:14:40,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 14:14:40,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-22 14:14:40,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 14:14:40,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 14:14:40,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 14:14:40,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 14:14:40,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:14:40,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 14:14:40,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 14:14:40,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-22 14:14:40,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-22 14:14:40,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-22 14:14:40,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-22 14:14:40,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 606f7c2605a208e0a98efea41e23adfc30d8b8f4 [2019-11-22 14:14:41,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 14:14:41,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 14:14:41,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 14:14:41,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 14:14:41,058 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 14:14:41,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-22 14:14:41,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733bc6972/b8510be5117942f78dbc178c3d7da353/FLAGe130dfe8d [2019-11-22 14:14:41,701 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 14:14:41,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-22 14:14:41,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733bc6972/b8510be5117942f78dbc178c3d7da353/FLAGe130dfe8d [2019-11-22 14:14:41,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733bc6972/b8510be5117942f78dbc178c3d7da353 [2019-11-22 14:14:41,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 14:14:41,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-22 14:14:41,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 14:14:41,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 14:14:41,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 14:14:41,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:41" (1/1) ... [2019-11-22 14:14:41,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c02fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:41, skipping insertion in model container [2019-11-22 14:14:42,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:41" (1/1) ... [2019-11-22 14:14:42,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 14:14:42,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:14:42,475 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: fesetround not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBuiltinFesetround(StandardFunctionHandler.java:1334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1366) 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:1317) 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:1010) 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:1388) 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:3465) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2280) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 14:14:42,482 INFO L168 Benchmark]: Toolchain (without parser) took 490.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 933.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-22 14:14:42,483 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:14:42,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 933.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-22 14:14:42,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 487.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 933.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: fesetround not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: fesetround not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:959) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-3d056a1 [2019-11-22 14:14:44,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 14:14:44,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 14:14:44,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 14:14:44,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 14:14:44,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 14:14:44,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 14:14:44,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 14:14:44,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 14:14:44,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 14:14:44,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 14:14:44,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 14:14:44,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 14:14:44,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 14:14:44,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 14:14:44,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 14:14:44,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 14:14:44,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 14:14:44,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 14:14:44,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 14:14:44,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 14:14:44,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 14:14:44,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 14:14:44,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 14:14:44,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 14:14:44,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 14:14:44,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 14:14:44,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 14:14:44,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 14:14:44,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 14:14:44,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 14:14:44,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 14:14:44,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 14:14:44,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 14:14:44,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 14:14:44,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 14:14:44,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 14:14:44,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 14:14:44,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 14:14:44,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 14:14:44,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 14:14:44,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-22 14:14:44,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 14:14:44,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 14:14:44,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 14:14:44,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 14:14:44,443 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 14:14:44,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 14:14:44,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 14:14:44,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 14:14:44,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 14:14:44,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-22 14:14:44,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 14:14:44,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-22 14:14:44,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 14:14:44,445 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 14:14:44,446 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 14:14:44,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 14:14:44,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-22 14:14:44,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 14:14:44,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-22 14:14:44,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 14:14:44,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 14:14:44,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 14:14:44,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 14:14:44,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:14:44,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 14:14:44,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 14:14:44,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-22 14:14:44,452 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 14:14:44,452 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 14:14:44,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-22 14:14:44,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 14:14:44,453 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 606f7c2605a208e0a98efea41e23adfc30d8b8f4 [2019-11-22 14:14:44,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 14:14:44,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 14:14:44,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 14:14:44,771 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 14:14:44,772 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 14:14:44,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-22 14:14:44,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5097c5d7c/c24f4cc2437e41babd814925830acf9c/FLAGb69cbc3f9 [2019-11-22 14:14:45,447 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 14:14:45,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-22 14:14:45,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5097c5d7c/c24f4cc2437e41babd814925830acf9c/FLAGb69cbc3f9 [2019-11-22 14:14:45,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5097c5d7c/c24f4cc2437e41babd814925830acf9c [2019-11-22 14:14:45,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 14:14:45,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-22 14:14:45,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 14:14:45,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 14:14:45,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 14:14:45,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:45" (1/1) ... [2019-11-22 14:14:45,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143e0c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45, skipping insertion in model container [2019-11-22 14:14:45,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:45" (1/1) ... [2019-11-22 14:14:45,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 14:14:45,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:14:46,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:14:46,293 INFO L203 MainTranslator]: Completed pre-run [2019-11-22 14:14:46,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:14:46,768 INFO L208 MainTranslator]: Completed translation [2019-11-22 14:14:46,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46 WrapperNode [2019-11-22 14:14:46,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 14:14:46,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-22 14:14:46,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-22 14:14:46,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-22 14:14:46,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-22 14:14:46,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 14:14:46,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 14:14:46,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 14:14:46,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... [2019-11-22 14:14:46,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 14:14:46,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 14:14:46,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 14:14:46,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 14:14:46,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-22 14:14:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 14:14:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 14:14:47,389 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 14:14:47,389 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-22 14:14:47,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:14:47 BoogieIcfgContainer [2019-11-22 14:14:47,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 14:14:47,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 14:14:47,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 14:14:47,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 14:14:47,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:14:45" (1/3) ... [2019-11-22 14:14:47,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b26955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:14:47, skipping insertion in model container [2019-11-22 14:14:47,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:46" (2/3) ... [2019-11-22 14:14:47,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b26955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:14:47, skipping insertion in model container [2019-11-22 14:14:47,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:14:47" (3/3) ... [2019-11-22 14:14:47,398 INFO L109 eAbstractionObserver]: Analyzing ICFG float-rounding1.i [2019-11-22 14:14:47,406 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 14:14:47,416 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-22 14:14:47,428 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-22 14:14:47,451 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 14:14:47,451 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-22 14:14:47,451 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 14:14:47,451 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 14:14:47,451 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 14:14:47,452 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 14:14:47,452 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 14:14:47,452 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 14:14:47,465 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-22 14:14:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-22 14:14:47,470 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:14:47,471 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-22 14:14:47,471 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-22 14:14:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:14:47,476 INFO L82 PathProgramCache]: Analyzing trace with hash 889523607, now seen corresponding path program 1 times [2019-11-22 14:14:47,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:14:47,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588654366] [2019-11-22 14:14:47,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2019-11-22 14:14:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:14:47,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-22 14:14:47,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:14:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:14:47,628 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:14:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:14:47,655 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588654366] [2019-11-22 14:14:47,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:14:47,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-22 14:14:47,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432398234] [2019-11-22 14:14:47,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-22 14:14:47,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:14:47,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-22 14:14:47,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-22 14:14:47,679 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 4 states. [2019-11-22 14:14:47,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:14:47,804 INFO L93 Difference]: Finished difference Result 87 states and 120 transitions. [2019-11-22 14:14:47,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-22 14:14:47,806 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-22 14:14:47,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:14:47,816 INFO L225 Difference]: With dead ends: 87 [2019-11-22 14:14:47,816 INFO L226 Difference]: Without dead ends: 42 [2019-11-22 14:14:47,820 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-22 14:14:47,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-22 14:14:47,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2019-11-22 14:14:47,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-22 14:14:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-11-22 14:14:47,860 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 6 [2019-11-22 14:14:47,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:14:47,861 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2019-11-22 14:14:47,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-22 14:14:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2019-11-22 14:14:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-22 14:14:47,862 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:14:47,863 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:14:48,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-22 14:14:48,078 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-22 14:14:48,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:14:48,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1806855123, now seen corresponding path program 1 times [2019-11-22 14:14:48,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:14:48,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282020756] [2019-11-22 14:14:48,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-22 14:14:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:14:48,145 WARN L253 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 14:14:48,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:14:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:14:48,304 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:14:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:14:49,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282020756] [2019-11-22 14:14:49,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:14:49,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-22 14:14:49,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642794519] [2019-11-22 14:14:49,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 14:14:49,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:14:49,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 14:14:49,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-22 14:14:49,370 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 8 states. [2019-11-22 14:14:50,018 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-11-22 14:14:50,945 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-11-22 14:14:51,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:14:51,513 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-11-22 14:14:51,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 14:14:51,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2019-11-22 14:14:51,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:14:51,519 INFO L225 Difference]: With dead ends: 55 [2019-11-22 14:14:51,519 INFO L226 Difference]: Without dead ends: 51 [2019-11-22 14:14:51,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2019-11-22 14:14:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-22 14:14:51,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 29. [2019-11-22 14:14:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-22 14:14:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-11-22 14:14:51,527 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 7 [2019-11-22 14:14:51,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:14:51,527 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2019-11-22 14:14:51,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 14:14:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2019-11-22 14:14:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-22 14:14:51,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:14:51,529 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:14:51,741 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-22 14:14:51,742 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-22 14:14:51,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:14:51,743 INFO L82 PathProgramCache]: Analyzing trace with hash -260891071, now seen corresponding path program 1 times [2019-11-22 14:14:51,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:14:51,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134429930] [2019-11-22 14:14:51,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-22 14:14:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:14:51,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-22 14:14:51,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:14:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:14:51,837 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:14:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:14:51,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134429930] [2019-11-22 14:14:51,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:14:51,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-22 14:14:51,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826968791] [2019-11-22 14:14:51,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-22 14:14:51,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:14:51,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-22 14:14:51,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-22 14:14:51,849 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand 4 states. [2019-11-22 14:14:51,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:14:51,914 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2019-11-22 14:14:51,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 14:14:51,915 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-22 14:14:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:14:51,916 INFO L225 Difference]: With dead ends: 47 [2019-11-22 14:14:51,917 INFO L226 Difference]: Without dead ends: 29 [2019-11-22 14:14:51,917 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-22 14:14:51,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-22 14:14:51,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-22 14:14:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-22 14:14:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2019-11-22 14:14:51,925 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 12 [2019-11-22 14:14:51,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:14:51,926 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2019-11-22 14:14:51,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-22 14:14:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2019-11-22 14:14:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-22 14:14:51,927 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:14:51,927 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:14:52,141 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-22 14:14:52,141 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-22 14:14:52,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:14:52,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1557632932, now seen corresponding path program 1 times [2019-11-22 14:14:52,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:14:52,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570766929] [2019-11-22 14:14:52,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-22 14:14:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:14:52,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 14:14:52,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:14:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:14:52,371 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:14:53,076 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-22 14:14:53,795 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-22 14:14:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:14:53,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570766929] [2019-11-22 14:14:53,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:14:53,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-22 14:14:53,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884104333] [2019-11-22 14:14:53,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 14:14:53,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:14:53,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 14:14:53,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-22 14:14:53,805 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 8 states. [2019-11-22 14:14:54,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:14:54,392 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2019-11-22 14:14:54,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:14:54,393 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-22 14:14:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:14:54,393 INFO L225 Difference]: With dead ends: 29 [2019-11-22 14:14:54,393 INFO L226 Difference]: Without dead ends: 0 [2019-11-22 14:14:54,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-11-22 14:14:54,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-22 14:14:54,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-22 14:14:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-22 14:14:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-22 14:14:54,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-22 14:14:54,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:14:54,395 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-22 14:14:54,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 14:14:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-22 14:14:54,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-22 14:14:54,596 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-22 14:14:54,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-22 14:14:54,861 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2019-11-22 14:14:54,864 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1096) no Hoare annotation was computed. [2019-11-22 14:14:54,865 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,865 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,865 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1096) no Hoare annotation was computed. [2019-11-22 14:14:54,865 INFO L444 ceAbstractionStarter]: For program point L1096(line 1096) no Hoare annotation was computed. [2019-11-22 14:14:54,866 INFO L444 ceAbstractionStarter]: For program point L1096-1(line 1096) no Hoare annotation was computed. [2019-11-22 14:14:54,866 INFO L440 ceAbstractionStarter]: At program point L1096-3(lines 1083 1099) the Hoare annotation is: (and (= (_ bv1024 32) ULTIMATE.start_ULTIMATE.setCurrentRoundingMode_i) (fp.eq ULTIMATE.start_roundingTest_~roundToNearestSum~0 ((_ to_fp 8 24) currentRoundingMode (/ 8388609.0 8388608.0))) (exists ((v_prenex_2 RoundingMode)) (= ULTIMATE.start_roundingTest_~roundDownSum~0 (fp.add currentRoundingMode ((_ to_fp 8 24) v_prenex_2 ((_ to_fp 11 53) v_prenex_2 1.0)) ((_ to_fp 8 24) v_prenex_2 ((_ to_fp 11 53) v_prenex_2 (/ 3.0 33554432.0)))))) (exists ((v_prenex_2 RoundingMode)) (and (= ((_ to_fp 8 24) v_prenex_2 ((_ to_fp 11 53) v_prenex_2 1.0)) ULTIMATE.start_roundingTest_~f1) (= ((_ to_fp 8 24) v_prenex_2 ((_ to_fp 11 53) v_prenex_2 (/ 3.0 33554432.0))) ULTIMATE.start_roundingTest_~f2))) (= currentRoundingMode roundTowardNegative)) [2019-11-22 14:14:54,866 INFO L444 ceAbstractionStarter]: For program point L1096-4(line 1096) no Hoare annotation was computed. [2019-11-22 14:14:54,866 INFO L444 ceAbstractionStarter]: For program point L1096-5(line 1096) no Hoare annotation was computed. [2019-11-22 14:14:54,866 INFO L440 ceAbstractionStarter]: At program point L1096-7(lines 1083 1099) the Hoare annotation is: (not (= (_ bv3072 32) ULTIMATE.start_ULTIMATE.setCurrentRoundingMode_i)) [2019-11-22 14:14:54,866 INFO L440 ceAbstractionStarter]: At program point L1121(lines 1102 1122) the Hoare annotation is: (not (= (_ bv3072 32) ULTIMATE.start_ULTIMATE.setCurrentRoundingMode_i)) [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L1089(line 1089) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L1089-1(line 1089) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L1089-3(line 1089) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L1089-4(line 1089) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L-1-3(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L1089-5(line 1089) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L-1-5(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L1089-7(line 1089) no Hoare annotation was computed. [2019-11-22 14:14:54,867 INFO L444 ceAbstractionStarter]: For program point L-1-7(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1089) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point L-1-9(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point L-1-10(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point L-1-12(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point L-1-14(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point L-1-16(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point L-1-18(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point L-1-19(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,868 INFO L444 ceAbstractionStarter]: For program point L-1-21(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point L-1-23(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point L-1-25(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point L-1-27(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point L-1-28(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point L-1-30(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point L-1-32(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point L-1-34(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,869 INFO L444 ceAbstractionStarter]: For program point L-1-36(line -1) no Hoare annotation was computed. [2019-11-22 14:14:54,870 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1089) no Hoare annotation was computed. [2019-11-22 14:14:54,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2019-11-22 14:14:54,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2019-11-22 14:14:54,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:14:54 BoogieIcfgContainer [2019-11-22 14:14:54,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-22 14:14:54,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-22 14:14:54,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-22 14:14:54,895 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-22 14:14:54,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:14:47" (3/4) ... [2019-11-22 14:14:54,899 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-22 14:14:54,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2019-11-22 14:14:54,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-11-22 14:14:54,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-22 14:14:54,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-22 14:14:54,941 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1024bv32 == unknown-i-unknown && ~fp.eq~FLOAT(roundToNearestSum, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 8388609/8388608))) && (\exists v_prenex_2 : FloatRoundingMode :: roundDownSum == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 1.0)), ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 3/33554432))))) && (\exists v_prenex_2 : FloatRoundingMode :: ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 1.0)) == f1 && ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 3/33554432)) == f2)) && unknown-currentRoundingMode-unknown == ~roundTowardNegative [2019-11-22 14:14:54,966 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-22 14:14:54,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-22 14:14:54,969 INFO L168 Benchmark]: Toolchain (without parser) took 9298.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 862.8 MB in the end (delta: 93.5 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. [2019-11-22 14:14:54,969 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:14:54,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1097.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -67.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2019-11-22 14:14:54,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:14:54,971 INFO L168 Benchmark]: Boogie Preprocessor took 29.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-22 14:14:54,972 INFO L168 Benchmark]: RCFGBuilder took 525.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-22 14:14:54,972 INFO L168 Benchmark]: TraceAbstraction took 7502.24 ms. Allocated memory is still 1.2 GB. Free memory was 993.9 MB in the beginning and 862.8 MB in the end (delta: 131.1 MB). Peak memory consumption was 131.1 MB. Max. memory is 11.5 GB. [2019-11-22 14:14:54,973 INFO L168 Benchmark]: Witness Printer took 72.48 ms. Allocated memory is still 1.2 GB. Free memory is still 862.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:14:54,977 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1097.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -67.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 525.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7502.24 ms. Allocated memory is still 1.2 GB. Free memory was 993.9 MB in the beginning and 862.8 MB in the end (delta: 131.1 MB). Peak memory consumption was 131.1 MB. Max. memory is 11.5 GB. * Witness Printer took 72.48 ms. Allocated memory is still 1.2 GB. Free memory is still 862.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable i - GenericResult: Unfinished Backtranslation unknown boogie variable i - GenericResult: Unfinished Backtranslation unknown boogie variable i - GenericResult: Unfinished Backtranslation unknown boogie variable i - GenericResult: Unfinished Backtranslation unknown boogie variable i - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable i - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1096]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1096]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1089]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1089]: 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: 1083]: Loop Invariant [2019-11-22 14:14:54,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable i Derived loop invariant: !(3072bv32 == unknown-i-unknown) - InvariantResult [Line: 1102]: Loop Invariant [2019-11-22 14:14:54,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable i Derived loop invariant: !(3072bv32 == unknown-i-unknown) - InvariantResult [Line: 1083]: Loop Invariant [2019-11-22 14:14:54,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2019-11-22 14:14:54,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 14:14:54,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2019-11-22 14:14:54,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 14:14:54,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 14:14:54,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((1024bv32 == unknown-i-unknown && ~fp.eq~FLOAT(roundToNearestSum, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 8388609/8388608))) && (\exists v_prenex_2 : FloatRoundingMode :: roundDownSum == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 1.0)), ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 3/33554432))))) && (\exists v_prenex_2 : FloatRoundingMode :: ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 1.0)) == f1 && ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 3/33554432)) == f2)) && unknown-currentRoundingMode-unknown == ~roundTowardNegative - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 4 error locations. Result: SAFE, OverallTime: 7.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 86 SDtfs, 255 SDslu, 67 SDs, 0 SdLazy, 132 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 4 MinimizatonAttempts, 31 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 51 HoareAnnotationTreeSize, 3 FomulaSimplifications, 38 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 77 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 70 ConstructedInterpolants, 15 QuantifiedInterpolants, 4587 SizeOfPredicates, 22 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...