./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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-64bit-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 64bit --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-64bit-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 64bit --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 13:43:13,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 13:43:13,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 13:43:13,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 13:43:13,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 13:43:13,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 13:43:13,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 13:43:13,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 13:43:13,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 13:43:13,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 13:43:13,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 13:43:13,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 13:43:13,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 13:43:13,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 13:43:13,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 13:43:13,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 13:43:13,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 13:43:13,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 13:43:13,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 13:43:13,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 13:43:13,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 13:43:13,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 13:43:13,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 13:43:13,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 13:43:13,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 13:43:13,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 13:43:13,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 13:43:13,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 13:43:13,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 13:43:13,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 13:43:13,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 13:43:13,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 13:43:13,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 13:43:13,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 13:43:13,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 13:43:13,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 13:43:13,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 13:43:13,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 13:43:13,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 13:43:13,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 13:43:13,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 13:43:13,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-22 13:43:13,522 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 13:43:13,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 13:43:13,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 13:43:13,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 13:43:13,525 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 13:43:13,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 13:43:13,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 13:43:13,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 13:43:13,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-22 13:43:13,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 13:43:13,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-22 13:43:13,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 13:43:13,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-22 13:43:13,528 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 13:43:13,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-22 13:43:13,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 13:43:13,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 13:43:13,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 13:43:13,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 13:43:13,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:43:13,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 13:43:13,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 13:43:13,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-22 13:43:13,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-22 13:43:13,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-22 13:43:13,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-22 13:43:13,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 13:43:13,532 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 606f7c2605a208e0a98efea41e23adfc30d8b8f4 [2019-11-22 13:43:13,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 13:43:13,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 13:43:13,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 13:43:13,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 13:43:13,845 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 13:43:13,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-22 13:43:13,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810cc5eed/8051b68d11af49cead43a10ab5392736/FLAG56bd35c24 [2019-11-22 13:43:14,519 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 13:43:14,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-22 13:43:14,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810cc5eed/8051b68d11af49cead43a10ab5392736/FLAG56bd35c24 [2019-11-22 13:43:14,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810cc5eed/8051b68d11af49cead43a10ab5392736 [2019-11-22 13:43:14,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 13:43:14,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-22 13:43:14,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 13:43:14,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 13:43:14,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 13:43:14,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:14" (1/1) ... [2019-11-22 13:43:14,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797101d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:14, skipping insertion in model container [2019-11-22 13:43:14,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:14" (1/1) ... [2019-11-22 13:43:14,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 13:43:14,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:43:15,440 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 13:43:15,449 INFO L168 Benchmark]: Toolchain (without parser) took 707.34 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 938.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-22 13:43:15,450 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 13:43:15,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.53 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 938.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-22 13:43:15,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 704.53 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 938.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 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 13:43:17,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 13:43:17,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 13:43:17,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 13:43:17,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 13:43:17,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 13:43:17,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 13:43:17,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 13:43:17,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 13:43:17,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 13:43:17,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 13:43:17,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 13:43:17,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 13:43:17,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 13:43:17,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 13:43:17,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 13:43:17,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 13:43:17,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 13:43:17,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 13:43:17,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 13:43:17,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 13:43:17,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 13:43:17,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 13:43:17,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 13:43:17,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 13:43:17,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 13:43:17,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 13:43:17,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 13:43:17,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 13:43:17,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 13:43:17,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 13:43:17,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 13:43:17,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 13:43:17,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 13:43:17,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 13:43:17,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 13:43:17,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 13:43:17,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 13:43:17,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 13:43:17,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 13:43:17,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 13:43:17,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-22 13:43:17,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 13:43:17,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 13:43:17,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 13:43:17,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 13:43:17,386 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 13:43:17,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 13:43:17,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 13:43:17,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-22 13:43:17,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 13:43:17,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-22 13:43:17,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 13:43:17,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 13:43:17,389 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 13:43:17,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-22 13:43:17,389 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 13:43:17,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-22 13:43:17,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 13:43:17,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 13:43:17,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 13:43:17,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 13:43:17,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:43:17,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 13:43:17,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 13:43:17,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-22 13:43:17,392 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 13:43:17,393 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 13:43:17,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-22 13:43:17,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 13:43:17,393 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-22 13:43:17,394 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 606f7c2605a208e0a98efea41e23adfc30d8b8f4 [2019-11-22 13:43:17,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 13:43:17,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 13:43:17,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 13:43:17,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 13:43:17,762 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 13:43:17,763 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-22 13:43:17,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beafd4165/7a2989d6161d48f9a8d5b96166f0172a/FLAGe830d4ac7 [2019-11-22 13:43:18,386 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 13:43:18,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-22 13:43:18,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beafd4165/7a2989d6161d48f9a8d5b96166f0172a/FLAGe830d4ac7 [2019-11-22 13:43:18,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beafd4165/7a2989d6161d48f9a8d5b96166f0172a [2019-11-22 13:43:18,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 13:43:18,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-22 13:43:18,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 13:43:18,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 13:43:18,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 13:43:18,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:18" (1/1) ... [2019-11-22 13:43:18,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0837cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:18, skipping insertion in model container [2019-11-22 13:43:18,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:18" (1/1) ... [2019-11-22 13:43:18,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 13:43:18,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:43:19,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:43:19,295 INFO L203 MainTranslator]: Completed pre-run [2019-11-22 13:43:19,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:43:19,651 INFO L208 MainTranslator]: Completed translation [2019-11-22 13:43:19,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19 WrapperNode [2019-11-22 13:43:19,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 13:43:19,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-22 13:43:19,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-22 13:43:19,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-22 13:43:19,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-22 13:43:19,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 13:43:19,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 13:43:19,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 13:43:19,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (1/1) ... [2019-11-22 13:43:19,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 13:43:19,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 13:43:19,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 13:43:19,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 13:43:19,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (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 13:43:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 13:43:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 13:43:20,337 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 13:43:20,337 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-22 13:43:20,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:20 BoogieIcfgContainer [2019-11-22 13:43:20,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 13:43:20,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 13:43:20,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 13:43:20,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 13:43:20,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:43:18" (1/3) ... [2019-11-22 13:43:20,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2cc634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:43:20, skipping insertion in model container [2019-11-22 13:43:20,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:19" (2/3) ... [2019-11-22 13:43:20,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2cc634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:43:20, skipping insertion in model container [2019-11-22 13:43:20,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:20" (3/3) ... [2019-11-22 13:43:20,350 INFO L109 eAbstractionObserver]: Analyzing ICFG float-rounding1.i [2019-11-22 13:43:20,360 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 13:43:20,367 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-22 13:43:20,386 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-22 13:43:20,411 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 13:43:20,411 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-22 13:43:20,411 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 13:43:20,412 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 13:43:20,412 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 13:43:20,412 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 13:43:20,413 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 13:43:20,413 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 13:43:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-22 13:43:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-22 13:43:20,434 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:43:20,435 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-22 13:43:20,436 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-22 13:43:20,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:43:20,441 INFO L82 PathProgramCache]: Analyzing trace with hash 889523607, now seen corresponding path program 1 times [2019-11-22 13:43:20,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:43:20,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122428481] [2019-11-22 13:43:20,452 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 13:43:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:43:20,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-22 13:43:20,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:43:20,630 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 13:43:20,631 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:43:20,652 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 13:43:20,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122428481] [2019-11-22 13:43:20,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:43:20,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-22 13:43:20,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427339275] [2019-11-22 13:43:20,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-22 13:43:20,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:43:20,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-22 13:43:20,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-22 13:43:20,676 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 4 states. [2019-11-22 13:43:20,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:43:20,789 INFO L93 Difference]: Finished difference Result 87 states and 120 transitions. [2019-11-22 13:43:20,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-22 13:43:20,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-22 13:43:20,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:43:20,801 INFO L225 Difference]: With dead ends: 87 [2019-11-22 13:43:20,802 INFO L226 Difference]: Without dead ends: 42 [2019-11-22 13:43:20,805 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 13:43:20,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-22 13:43:20,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2019-11-22 13:43:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-22 13:43:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-11-22 13:43:20,840 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 6 [2019-11-22 13:43:20,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:43:20,840 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2019-11-22 13:43:20,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-22 13:43:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2019-11-22 13:43:20,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-22 13:43:20,841 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:43:20,841 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:43:21,042 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-22 13:43:21,043 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-22 13:43:21,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:43:21,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1806855123, now seen corresponding path program 1 times [2019-11-22 13:43:21,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:43:21,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613033618] [2019-11-22 13:43:21,046 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 13:43:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:43:21,116 WARN L253 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 13:43:21,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:43:21,310 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 13:43:21,311 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:43:22,305 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 13:43:22,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613033618] [2019-11-22 13:43:22,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:43:22,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-22 13:43:22,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486485294] [2019-11-22 13:43:22,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 13:43:22,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:43:22,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 13:43:22,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-22 13:43:22,310 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 8 states. [2019-11-22 13:43:22,935 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-11-22 13:43:23,945 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-11-22 13:43:24,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:43:24,522 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-11-22 13:43:24,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 13:43:24,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2019-11-22 13:43:24,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:43:24,527 INFO L225 Difference]: With dead ends: 55 [2019-11-22 13:43:24,527 INFO L226 Difference]: Without dead ends: 51 [2019-11-22 13:43:24,528 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 13:43:24,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-22 13:43:24,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 29. [2019-11-22 13:43:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-22 13:43:24,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-11-22 13:43:24,535 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 7 [2019-11-22 13:43:24,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:43:24,536 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2019-11-22 13:43:24,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 13:43:24,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2019-11-22 13:43:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-22 13:43:24,537 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:43:24,537 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:43:24,758 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-22 13:43:24,759 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-22 13:43:24,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:43:24,760 INFO L82 PathProgramCache]: Analyzing trace with hash -260891071, now seen corresponding path program 1 times [2019-11-22 13:43:24,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:43:24,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061667452] [2019-11-22 13:43:24,763 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 13:43:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:43:24,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-22 13:43:24,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:43:24,856 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 13:43:24,856 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:43:24,865 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 13:43:24,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061667452] [2019-11-22 13:43:24,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:43:24,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-22 13:43:24,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131421512] [2019-11-22 13:43:24,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-22 13:43:24,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:43:24,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-22 13:43:24,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-22 13:43:24,868 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand 4 states. [2019-11-22 13:43:24,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:43:24,924 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2019-11-22 13:43:24,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 13:43:24,925 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-22 13:43:24,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:43:24,926 INFO L225 Difference]: With dead ends: 47 [2019-11-22 13:43:24,926 INFO L226 Difference]: Without dead ends: 29 [2019-11-22 13:43:24,927 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 13:43:24,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-22 13:43:24,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-22 13:43:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-22 13:43:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2019-11-22 13:43:24,933 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 12 [2019-11-22 13:43:24,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:43:24,933 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2019-11-22 13:43:24,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-22 13:43:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2019-11-22 13:43:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-22 13:43:24,934 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:43:24,935 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:43:25,146 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-22 13:43:25,147 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-22 13:43:25,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:43:25,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1557632932, now seen corresponding path program 1 times [2019-11-22 13:43:25,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:43:25,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729398400] [2019-11-22 13:43:25,150 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 13:43:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:43:25,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 13:43:25,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:43:25,356 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 13:43:25,357 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:43:26,765 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-22 13:43:26,776 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 13:43:26,776 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729398400] [2019-11-22 13:43:26,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:43:26,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-22 13:43:26,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798939062] [2019-11-22 13:43:26,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 13:43:26,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:43:26,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 13:43:26,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-22 13:43:26,778 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 8 states. [2019-11-22 13:43:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:43:27,374 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2019-11-22 13:43:27,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:43:27,374 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-22 13:43:27,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:43:27,375 INFO L225 Difference]: With dead ends: 29 [2019-11-22 13:43:27,375 INFO L226 Difference]: Without dead ends: 0 [2019-11-22 13:43:27,375 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 13:43:27,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-22 13:43:27,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-22 13:43:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-22 13:43:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-22 13:43:27,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-22 13:43:27,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:43:27,376 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-22 13:43:27,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 13:43:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-22 13:43:27,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-22 13:43:27,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-22 13:43:27,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-22 13:43:27,834 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2019-11-22 13:43:27,837 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1096) no Hoare annotation was computed. [2019-11-22 13:43:27,837 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,838 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,838 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1096) no Hoare annotation was computed. [2019-11-22 13:43:27,838 INFO L444 ceAbstractionStarter]: For program point L1096(line 1096) no Hoare annotation was computed. [2019-11-22 13:43:27,838 INFO L444 ceAbstractionStarter]: For program point L1096-1(line 1096) no Hoare annotation was computed. [2019-11-22 13:43:27,838 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 13:43:27,838 INFO L444 ceAbstractionStarter]: For program point L1096-4(line 1096) no Hoare annotation was computed. [2019-11-22 13:43:27,838 INFO L444 ceAbstractionStarter]: For program point L1096-5(line 1096) no Hoare annotation was computed. [2019-11-22 13:43:27,839 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 13:43:27,839 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 13:43:27,839 INFO L444 ceAbstractionStarter]: For program point L1089(line 1089) no Hoare annotation was computed. [2019-11-22 13:43:27,839 INFO L444 ceAbstractionStarter]: For program point L1089-1(line 1089) no Hoare annotation was computed. [2019-11-22 13:43:27,839 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,839 INFO L444 ceAbstractionStarter]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,839 INFO L444 ceAbstractionStarter]: For program point L1089-3(line 1089) no Hoare annotation was computed. [2019-11-22 13:43:27,839 INFO L444 ceAbstractionStarter]: For program point L1089-4(line 1089) no Hoare annotation was computed. [2019-11-22 13:43:27,839 INFO L444 ceAbstractionStarter]: For program point L-1-3(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,839 INFO L444 ceAbstractionStarter]: For program point L1089-5(line 1089) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point L-1-5(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point L1089-7(line 1089) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point L-1-7(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1089) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point L-1-9(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point L-1-10(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point L-1-12(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point L-1-14(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,840 INFO L444 ceAbstractionStarter]: For program point L-1-16(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-18(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-19(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-21(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-23(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-25(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-27(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-28(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-30(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,841 INFO L444 ceAbstractionStarter]: For program point L-1-32(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,842 INFO L444 ceAbstractionStarter]: For program point L-1-34(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,842 INFO L444 ceAbstractionStarter]: For program point L-1-36(line -1) no Hoare annotation was computed. [2019-11-22 13:43:27,842 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1089) no Hoare annotation was computed. [2019-11-22 13:43:27,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2019-11-22 13:43:27,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2019-11-22 13:43:27,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:43:27 BoogieIcfgContainer [2019-11-22 13:43:27,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-22 13:43:27,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-22 13:43:27,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-22 13:43:27,872 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-22 13:43:27,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:20" (3/4) ... [2019-11-22 13:43:27,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-22 13:43:27,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2019-11-22 13:43:27,904 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-11-22 13:43:27,904 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-22 13:43:27,904 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-22 13:43:27,940 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 13:43:27,968 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-22 13:43:27,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-22 13:43:27,970 INFO L168 Benchmark]: Toolchain (without parser) took 9314.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 961.7 MB in the beginning and 845.2 MB in the end (delta: 116.5 MB). Peak memory consumption was 248.6 MB. Max. memory is 11.5 GB. [2019-11-22 13:43:27,971 INFO L168 Benchmark]: CDTParser took 0.79 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 13:43:27,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -51.5 MB). Peak memory consumption was 91.4 MB. Max. memory is 11.5 GB. [2019-11-22 13:43:27,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.26 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 13:43:27,972 INFO L168 Benchmark]: Boogie Preprocessor took 32.21 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 13:43:27,973 INFO L168 Benchmark]: RCFGBuilder took 595.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 982.6 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-22 13:43:27,974 INFO L168 Benchmark]: TraceAbstraction took 7526.25 ms. Allocated memory is still 1.2 GB. Free memory was 982.6 MB in the beginning and 845.2 MB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. [2019-11-22 13:43:27,974 INFO L168 Benchmark]: Witness Printer took 96.54 ms. Allocated memory is still 1.2 GB. Free memory is still 845.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 13:43:27,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 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 994.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -51.5 MB). Peak memory consumption was 91.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.26 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 32.21 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. * RCFGBuilder took 595.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 982.6 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7526.25 ms. Allocated memory is still 1.2 GB. Free memory was 982.6 MB in the beginning and 845.2 MB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. * Witness Printer took 96.54 ms. Allocated memory is still 1.2 GB. Free memory is still 845.2 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 13:43:27,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable i Derived loop invariant: !(3072bv32 == unknown-i-unknown) - InvariantResult [Line: 1102]: Loop Invariant [2019-11-22 13:43:27,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable i Derived loop invariant: !(3072bv32 == unknown-i-unknown) - InvariantResult [Line: 1083]: Loop Invariant [2019-11-22 13:43:27,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2019-11-22 13:43:27,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-22 13:43:27,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2019-11-22 13:43:27,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable i [2019-11-22 13:43:27,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-22 13:43:27,996 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: 3.0s, 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...