./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cbmc-regression/float-div1_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: 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 /storage/repos/svcomp/c/floats-cbmc-regression/float-div1_true-unreach-call.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 bab8a0d04d8f61bea19634c32fd38a52b6fbece9 .................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 /storage/repos/svcomp/c/floats-cbmc-regression/float-div1_true-unreach-call.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 bab8a0d04d8f61bea19634c32fd38a52b6fbece9 ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:53:02,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:53:02,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:53:02,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:53:02,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:53:02,546 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:53:02,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:53:02,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:53:02,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:53:02,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:53:02,553 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:53:02,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:53:02,555 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:53:02,556 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:53:02,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:53:02,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:53:02,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:53:02,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:53:02,564 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:53:02,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:53:02,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:53:02,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:53:02,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:53:02,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:53:02,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:53:02,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:53:02,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:53:02,574 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:53:02,575 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:53:02,576 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:53:02,576 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:53:02,577 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:53:02,577 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:53:02,577 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:53:02,579 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:53:02,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:53:02,580 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:53:02,601 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:53:02,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:53:02,606 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:53:02,606 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:53:02,606 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:53:02,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:53:02,608 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:53:02,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:53:02,609 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:53:02,609 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:53:02,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:53:02,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:53:02,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:53:02,609 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:53:02,610 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:53:02,611 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:53:02,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:53:02,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:53:02,612 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:53:02,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:53:02,612 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:53:02,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:53:02,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:53:02,613 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:53:02,615 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:53:02,615 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:53:02,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:53:02,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:53:02,616 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> bab8a0d04d8f61bea19634c32fd38a52b6fbece9 [2019-01-12 07:53:02,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:53:02,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:53:02,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:53:02,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:53:02,716 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:53:02,717 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2019-01-12 07:53:02,784 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73c23ca73/1a4bc4ae92ef43ffac1920845d2c9b0f/FLAG608d0d71e [2019-01-12 07:53:03,356 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:53:03,357 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2019-01-12 07:53:03,370 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73c23ca73/1a4bc4ae92ef43ffac1920845d2c9b0f/FLAG608d0d71e [2019-01-12 07:53:03,603 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73c23ca73/1a4bc4ae92ef43ffac1920845d2c9b0f [2019-01-12 07:53:03,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:53:03,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:53:03,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:53:03,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:53:03,615 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:53:03,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:53:03" (1/1) ... [2019-01-12 07:53:03,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b45499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:03, skipping insertion in model container [2019-01-12 07:53:03,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:53:03" (1/1) ... [2019-01-12 07:53:03,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:53:03,680 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:53:04,247 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1321) 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:999) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:667) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1321) 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:1272) 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:964) 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:1343) 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:3447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-12 07:53:04,263 INFO L168 Benchmark]: Toolchain (without parser) took 655.13 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:53:04,266 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:53:04,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.94 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 935.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-12 07:53:04,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 651.94 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 935.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:53:06,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:53:06,465 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:53:06,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:53:06,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:53:06,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:53:06,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:53:06,483 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:53:06,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:53:06,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:53:06,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:53:06,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:53:06,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:53:06,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:53:06,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:53:06,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:53:06,493 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:53:06,496 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:53:06,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:53:06,500 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:53:06,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:53:06,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:53:06,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:53:06,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:53:06,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:53:06,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:53:06,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:53:06,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:53:06,511 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:53:06,512 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:53:06,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:53:06,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:53:06,514 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:53:06,514 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:53:06,515 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:53:06,516 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:53:06,516 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:53:06,532 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:53:06,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:53:06,534 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:53:06,534 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:53:06,534 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:53:06,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:53:06,534 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:53:06,535 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:53:06,536 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:53:06,536 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:53:06,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:53:06,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:53:06,536 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:53:06,536 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:53:06,537 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:53:06,537 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:53:06,538 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:53:06,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:53:06,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:53:06,538 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:53:06,538 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:53:06,539 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:53:06,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:53:06,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:53:06,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:53:06,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:53:06,540 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:53:06,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:53:06,541 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:53:06,541 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:53:06,541 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> bab8a0d04d8f61bea19634c32fd38a52b6fbece9 [2019-01-12 07:53:06,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:53:06,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:53:06,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:53:06,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:53:06,614 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:53:06,615 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2019-01-12 07:53:06,690 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d68a5e4/1d351222e74f42b6b8fdfe98aea84562/FLAG05daf9c25 [2019-01-12 07:53:07,296 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:53:07,296 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2019-01-12 07:53:07,317 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d68a5e4/1d351222e74f42b6b8fdfe98aea84562/FLAG05daf9c25 [2019-01-12 07:53:07,515 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d68a5e4/1d351222e74f42b6b8fdfe98aea84562 [2019-01-12 07:53:07,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:53:07,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:53:07,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:53:07,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:53:07,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:53:07,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:53:07" (1/1) ... [2019-01-12 07:53:07,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8e012a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:07, skipping insertion in model container [2019-01-12 07:53:07,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:53:07" (1/1) ... [2019-01-12 07:53:07,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:53:07,609 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:53:08,178 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:53:08,189 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:53:08,351 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:53:08,712 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:53:08,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08 WrapperNode [2019-01-12 07:53:08,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:53:08,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:53:08,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:53:08,715 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:53:08,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:53:08,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:53:08,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:53:08,828 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:53:08,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (1/1) ... [2019-01-12 07:53:08,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:53:08,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:53:08,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:53:08,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:53:08,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (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 [2019-01-12 07:53:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:53:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:53:11,979 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:53:11,979 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 07:53:11,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:53:11 BoogieIcfgContainer [2019-01-12 07:53:11,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:53:11,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:53:11,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:53:11,986 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:53:11,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:53:07" (1/3) ... [2019-01-12 07:53:11,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3490ff2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:53:11, skipping insertion in model container [2019-01-12 07:53:11,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:53:08" (2/3) ... [2019-01-12 07:53:11,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3490ff2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:53:11, skipping insertion in model container [2019-01-12 07:53:11,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:53:11" (3/3) ... [2019-01-12 07:53:11,990 INFO L112 eAbstractionObserver]: Analyzing ICFG float-div1_true-unreach-call.i [2019-01-12 07:53:12,001 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:53:12,011 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 07:53:12,029 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 07:53:12,061 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:53:12,062 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:53:12,062 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:53:12,062 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:53:12,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:53:12,063 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:53:12,063 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:53:12,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:53:12,063 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:53:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-01-12 07:53:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-12 07:53:12,084 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:53:12,085 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-12 07:53:12,088 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:53:12,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:53:12,094 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-01-12 07:53:12,098 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:53:12,099 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 07:53:12,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:53:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:53:12,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:53:12,958 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-01-12 07:53:12,978 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-01-12 07:53:15,223 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_6 (_ FloatingPoint 8 24))) (and (not (fp.isNaN v_prenex_6)) (fp.isNormal v_prenex_6) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_6) (not (fp.isInfinite v_prenex_6)) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_6) (= (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse0 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_6 (fp.div roundNearestTiesToEven .cse0 v_prenex_6)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isSubnormal v_prenex_6)))) (exists ((v_prenex_4 (_ FloatingPoint 8 24))) (and (not (fp.isSubnormal v_prenex_4)) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_4) (not (fp.isNaN v_prenex_4)) (fp.isNormal v_prenex_4) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_4) (= (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_4 (fp.div roundNearestTiesToEven .cse1 v_prenex_4)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isInfinite v_prenex_4)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (and (= (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse2 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse2 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_3) (not (fp.isSubnormal v_prenex_3)) (fp.isNormal v_prenex_3))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (and (fp.isSubnormal v_prenex_3) (= (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse3 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse3 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_3) (fp.isNormal v_prenex_3))) (exists ((v_prenex_9 (_ FloatingPoint 8 24))) (and (not (fp.isInfinite v_prenex_9)) (fp.isNormal v_prenex_9) (not (fp.isNaN v_prenex_9)) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_9) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_9) (= (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse4 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_9 (fp.div roundNearestTiesToEven .cse4 v_prenex_9)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isSubnormal v_prenex_9)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (and (= (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse5 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse5 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_3) (fp.isNormal v_prenex_3))) (exists ((ULTIMATE.start_inductiveStepHunt_~startState (_ FloatingPoint 8 24))) (and (not (fp.isInfinite ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.isNaN ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.isSubnormal ULTIMATE.start_inductiveStepHunt_~startState)) (= (let ((.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse6 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_inductiveStepHunt_~startState (fp.div roundNearestTiesToEven .cse6 ULTIMATE.start_inductiveStepHunt_~startState)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) ULTIMATE.start_inductiveStepHunt_~startState) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) ULTIMATE.start_inductiveStepHunt_~startState) (fp.isNormal ULTIMATE.start_inductiveStepHunt_~startState)))) is different from false [2019-01-12 07:53:17,339 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_6 (_ FloatingPoint 8 24))) (and (not (fp.isNaN v_prenex_6)) (fp.isNormal v_prenex_6) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_6) (not (fp.isInfinite v_prenex_6)) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_6) (= (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse0 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_6 (fp.div roundNearestTiesToEven .cse0 v_prenex_6)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isSubnormal v_prenex_6)))) (exists ((v_prenex_4 (_ FloatingPoint 8 24))) (and (not (fp.isSubnormal v_prenex_4)) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_4) (not (fp.isNaN v_prenex_4)) (fp.isNormal v_prenex_4) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_4) (= (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_4 (fp.div roundNearestTiesToEven .cse1 v_prenex_4)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isInfinite v_prenex_4)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (and (= (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse2 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse2 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_3) (not (fp.isSubnormal v_prenex_3)) (fp.isNormal v_prenex_3))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (and (fp.isSubnormal v_prenex_3) (= (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse3 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse3 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_3) (fp.isNormal v_prenex_3))) (exists ((v_prenex_9 (_ FloatingPoint 8 24))) (and (not (fp.isInfinite v_prenex_9)) (fp.isNormal v_prenex_9) (not (fp.isNaN v_prenex_9)) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_9) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_9) (= (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse4 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_9 (fp.div roundNearestTiesToEven .cse4 v_prenex_9)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isSubnormal v_prenex_9)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (and (= (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse5 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse5 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_3) (fp.isNormal v_prenex_3))) (exists ((ULTIMATE.start_inductiveStepHunt_~startState (_ FloatingPoint 8 24))) (and (not (fp.isInfinite ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.isNaN ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.isSubnormal ULTIMATE.start_inductiveStepHunt_~startState)) (= (let ((.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse6 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_inductiveStepHunt_~startState (fp.div roundNearestTiesToEven .cse6 ULTIMATE.start_inductiveStepHunt_~startState)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) ULTIMATE.start_inductiveStepHunt_~startState) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) ULTIMATE.start_inductiveStepHunt_~startState) (fp.isNormal ULTIMATE.start_inductiveStepHunt_~startState)))) is different from true [2019-01-12 07:53:47,623 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isSubnormal v_prenex_4)) (fp.lt .cse0 v_prenex_4) (not (fp.isNaN v_prenex_4)) (fp.isNormal v_prenex_4) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_4) (not (fp.isInfinite v_prenex_4)) (not (fp.gt (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_4 (fp.div roundNearestTiesToEven .cse1 v_prenex_4)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse0))))) (exists ((ULTIMATE.start_inductiveStepHunt_~startState (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.isNaN ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.isSubnormal ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.gt (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse2 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_inductiveStepHunt_~startState (fp.div roundNearestTiesToEven .cse2 ULTIMATE.start_inductiveStepHunt_~startState)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse3)) (fp.lt .cse3 ULTIMATE.start_inductiveStepHunt_~startState) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) ULTIMATE.start_inductiveStepHunt_~startState) (fp.isNormal ULTIMATE.start_inductiveStepHunt_~startState)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt .cse4 v_prenex_3) (fp.isNormal v_prenex_3) (not (fp.gt (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse5 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse5 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse4))))) (exists ((v_prenex_9 (_ FloatingPoint 8 24))) (let ((.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_9)) (fp.isNormal v_prenex_9) (not (fp.isNaN v_prenex_9)) (fp.lt .cse6 v_prenex_9) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_9) (not (fp.gt (let ((.cse7 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse7 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_9 (fp.div roundNearestTiesToEven .cse7 v_prenex_9)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse6)) (not (fp.isSubnormal v_prenex_9))))) (exists ((v_prenex_13 (_ FloatingPoint 8 24))) (let ((.cse9 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_13)) (not (fp.gt (let ((.cse8 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse8 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_13 (fp.div roundNearestTiesToEven .cse8 v_prenex_13)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse9)) (fp.lt .cse9 v_prenex_13) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_13) (not (fp.isNaN v_prenex_13)) (not (fp.isSubnormal v_prenex_13)) (fp.isNormal v_prenex_13)))) (exists ((v_prenex_6 (_ FloatingPoint 8 24))) (let ((.cse10 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isNaN v_prenex_6)) (fp.isNormal v_prenex_6) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_6) (not (fp.isInfinite v_prenex_6)) (fp.lt .cse10 v_prenex_6) (not (fp.gt (let ((.cse11 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse11 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_6 (fp.div roundNearestTiesToEven .cse11 v_prenex_6)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse10)) (not (fp.isSubnormal v_prenex_6)))))) is different from false [2019-01-12 07:53:49,753 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isSubnormal v_prenex_4)) (fp.lt .cse0 v_prenex_4) (not (fp.isNaN v_prenex_4)) (fp.isNormal v_prenex_4) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_4) (not (fp.isInfinite v_prenex_4)) (not (fp.gt (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_4 (fp.div roundNearestTiesToEven .cse1 v_prenex_4)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse0))))) (exists ((ULTIMATE.start_inductiveStepHunt_~startState (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.isNaN ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.isSubnormal ULTIMATE.start_inductiveStepHunt_~startState)) (not (fp.gt (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse2 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_inductiveStepHunt_~startState (fp.div roundNearestTiesToEven .cse2 ULTIMATE.start_inductiveStepHunt_~startState)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse3)) (fp.lt .cse3 ULTIMATE.start_inductiveStepHunt_~startState) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) ULTIMATE.start_inductiveStepHunt_~startState) (fp.isNormal ULTIMATE.start_inductiveStepHunt_~startState)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt .cse4 v_prenex_3) (fp.isNormal v_prenex_3) (not (fp.gt (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse5 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse5 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse4))))) (exists ((v_prenex_9 (_ FloatingPoint 8 24))) (let ((.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_9)) (fp.isNormal v_prenex_9) (not (fp.isNaN v_prenex_9)) (fp.lt .cse6 v_prenex_9) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_9) (not (fp.gt (let ((.cse7 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse7 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_9 (fp.div roundNearestTiesToEven .cse7 v_prenex_9)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse6)) (not (fp.isSubnormal v_prenex_9))))) (exists ((v_prenex_13 (_ FloatingPoint 8 24))) (let ((.cse9 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_13)) (not (fp.gt (let ((.cse8 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse8 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_13 (fp.div roundNearestTiesToEven .cse8 v_prenex_13)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse9)) (fp.lt .cse9 v_prenex_13) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_13) (not (fp.isNaN v_prenex_13)) (not (fp.isSubnormal v_prenex_13)) (fp.isNormal v_prenex_13)))) (exists ((v_prenex_6 (_ FloatingPoint 8 24))) (let ((.cse10 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isNaN v_prenex_6)) (fp.isNormal v_prenex_6) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_6) (not (fp.isInfinite v_prenex_6)) (fp.lt .cse10 v_prenex_6) (not (fp.gt (let ((.cse11 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse11 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_6 (fp.div roundNearestTiesToEven .cse11 v_prenex_6)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse10)) (not (fp.isSubnormal v_prenex_6)))))) is different from true [2019-01-12 07:53:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:53:49,763 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:53:49,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:53:49,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:53:49,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 07:53:49,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 07:53:49,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=1, Unknown=4, NotChecked=2, Total=12 [2019-01-12 07:53:49,812 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-01-12 07:53:49,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:53:49,832 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2019-01-12 07:53:49,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 07:53:49,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-12 07:53:49,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:53:49,846 INFO L225 Difference]: With dead ends: 25 [2019-01-12 07:53:49,846 INFO L226 Difference]: Without dead ends: 8 [2019-01-12 07:53:49,850 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=5, Invalid=1, Unknown=4, NotChecked=2, Total=12 [2019-01-12 07:53:49,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-12 07:53:49,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-12 07:53:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-12 07:53:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2019-01-12 07:53:49,883 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2019-01-12 07:53:49,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:53:49,883 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2019-01-12 07:53:49,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 07:53:49,884 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2019-01-12 07:53:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-12 07:53:49,884 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:53:49,885 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:53:49,885 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:53:49,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:53:49,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1808726030, now seen corresponding path program 1 times [2019-01-12 07:53:49,886 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:53:49,886 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 07:53:49,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:53:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:53:50,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:53:52,563 WARN L181 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-12 07:53:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:53:53,313 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:53:53,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:53:53,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:53:53,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:53:53,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:53:53,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:53:53,332 INFO L87 Difference]: Start difference. First operand 8 states and 7 transitions. Second operand 3 states. [2019-01-12 07:53:53,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:53:53,333 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-01-12 07:53:53,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:53:53,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-12 07:53:53,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:53:53,335 INFO L225 Difference]: With dead ends: 8 [2019-01-12 07:53:53,335 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 07:53:53,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:53:53,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 07:53:53,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 07:53:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 07:53:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 07:53:53,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-01-12 07:53:53,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:53:53,338 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 07:53:53,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:53:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 07:53:53,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 07:53:53,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 07:53:53,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2019-01-12 07:53:53,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 07:53:53,407 INFO L448 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2019-01-12 07:53:53,407 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 379) no Hoare annotation was computed. [2019-01-12 07:53:53,407 INFO L448 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-01-12 07:53:53,407 INFO L448 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2019-01-12 07:53:53,407 INFO L451 ceAbstractionStarter]: At program point L385(lines 380 386) the Hoare annotation is: true [2019-01-12 07:53:53,407 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 07:53:53,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 07:53:53,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2019-01-12 07:53:53,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 07:53:53,408 INFO L448 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-01-12 07:53:53,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2019-01-12 07:53:53,409 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2019-01-12 07:53:53,409 INFO L448 ceAbstractionStarter]: For program point L377-3(lines 373 379) no Hoare annotation was computed. [2019-01-12 07:53:53,409 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 371) no Hoare annotation was computed. [2019-01-12 07:53:53,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:53:53 BoogieIcfgContainer [2019-01-12 07:53:53,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:53:53,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:53:53,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:53:53,419 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:53:53,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:53:11" (3/4) ... [2019-01-12 07:53:53,423 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 07:53:53,435 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-12 07:53:53,436 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 07:53:53,436 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 07:53:53,482 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:53:53,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:53:53,483 INFO L168 Benchmark]: Toolchain (without parser) took 45963.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.3 MB in the beginning and 942.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 130.6 MB. Max. memory is 11.5 GB. [2019-01-12 07:53:53,484 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:53:53,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1190.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-01-12 07:53:53,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.24 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. [2019-01-12 07:53:53,486 INFO L168 Benchmark]: Boogie Preprocessor took 61.13 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. [2019-01-12 07:53:53,487 INFO L168 Benchmark]: RCFGBuilder took 3091.52 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:53:53,488 INFO L168 Benchmark]: TraceAbstraction took 41433.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 942.4 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2019-01-12 07:53:53,488 INFO L168 Benchmark]: Witness Printer took 63.97 ms. Allocated memory is still 1.2 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:53:53,492 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1190.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.24 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 61.13 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 3091.52 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41433.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 942.4 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * Witness Printer took 63.97 ms. Allocated memory is still 1.2 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 377]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 378]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 3 error locations. SAFE Result, 41.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 0 SDslu, 3 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 39.8s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 4 QuantifiedInterpolants, 2022 SizeOfPredicates, 8 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...