./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float-div1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-div1.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43afe140f1d8923ae3cc82938867c285a58a3757 ............................................................................................................................................................................. 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-div1.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43afe140f1d8923ae3cc82938867c285a58a3757 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 14:09:36,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:09:36,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:09:36,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:09:36,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:09:36,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:09:36,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:09:36,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:09:36,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:09:36,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:09:36,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:09:36,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:09:36,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:09:36,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:09:36,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:09:36,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:09:36,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:09:36,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:09:36,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:09:36,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:09:36,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:09:36,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:09:36,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:09:36,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:09:36,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:09:36,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:09:36,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:09:36,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:09:36,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:09:36,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:09:36,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:09:36,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:09:36,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:09:36,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:09:36,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:09:36,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:09:36,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:09:36,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:09:36,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:09:36,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:09:36,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:09:36,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:09:36,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:09:36,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:09:36,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:09:36,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:09:36,729 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:09:36,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:09:36,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:09:36,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:09:36,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:09:36,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:09:36,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:09:36,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:09:36,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:09:36,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:09:36,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:09:36,732 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:09:36,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:09:36,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:09:36,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:09:36,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:09:36,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:09:36,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:09:36,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:09:36,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:09:36,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:09:36,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:09:36,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:09:36,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:09:36,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:09:36,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43afe140f1d8923ae3cc82938867c285a58a3757 [2020-12-02 14:09:37,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:09:37,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:09:37,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:09:37,243 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:09:37,244 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:09:37,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-div1.i [2020-12-02 14:09:37,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d236889/e7f23a60585a42f48a8a8d6bb65f231a/FLAG08a481b8b [2020-12-02 14:09:38,042 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:09:38,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-div1.i [2020-12-02 14:09:38,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d236889/e7f23a60585a42f48a8a8d6bb65f231a/FLAG08a481b8b [2020-12-02 14:09:38,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d236889/e7f23a60585a42f48a8a8d6bb65f231a [2020-12-02 14:09:38,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:09:38,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:09:38,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:09:38,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:09:38,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:09:38,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:38" (1/1) ... [2020-12-02 14:09:38,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e573ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:38, skipping insertion in model container [2020-12-02 14:09:38,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:38" (1/1) ... [2020-12-02 14:09:38,298 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:09:38,391 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:09:38,943 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1400) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 14:09:38,952 INFO L168 Benchmark]: Toolchain (without parser) took 677.71 ms. Allocated memory is still 48.2 MB. Free memory was 23.5 MB in the beginning and 23.4 MB in the end (delta: 162.4 kB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-12-02 14:09:38,953 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:09:38,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.57 ms. Allocated memory is still 48.2 MB. Free memory was 23.3 MB in the beginning and 23.4 MB in the end (delta: -40.6 kB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-12-02 14:09:38,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 673.57 ms. Allocated memory is still 48.2 MB. Free memory was 23.3 MB in the beginning and 23.4 MB in the end (delta: -40.6 kB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: 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:847) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 14:09:41,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:09:41,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:09:41,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:09:41,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:09:41,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:09:41,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:09:41,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:09:41,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:09:41,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:09:41,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:09:41,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:09:41,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:09:41,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:09:41,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:09:41,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:09:41,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:09:41,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:09:41,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:09:41,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:09:41,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:09:41,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:09:41,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:09:41,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:09:41,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:09:41,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:09:41,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:09:41,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:09:41,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:09:41,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:09:41,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:09:41,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:09:41,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:09:41,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:09:41,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:09:41,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:09:41,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:09:41,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:09:41,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:09:41,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:09:41,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:09:41,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:09:41,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:09:41,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:09:41,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:09:41,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:09:41,529 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:09:41,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:09:41,530 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:09:41,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:09:41,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:09:41,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:09:41,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:09:41,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:09:41,532 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:09:41,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:09:41,533 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:09:41,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:09:41,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:09:41,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:09:41,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:09:41,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:09:41,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:09:41,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:09:41,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:09:41,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:09:41,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:09:41,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:09:41,536 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:09:41,536 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:09:41,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:09:41,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:09:41,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:09:41,537 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43afe140f1d8923ae3cc82938867c285a58a3757 [2020-12-02 14:09:42,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:09:42,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:09:42,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:09:42,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:09:42,071 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:09:42,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-div1.i [2020-12-02 14:09:42,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d90c4632c/4acb7b08709a4b59809ca87a5628752d/FLAGe7f499d77 [2020-12-02 14:09:42,850 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:09:42,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-div1.i [2020-12-02 14:09:42,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d90c4632c/4acb7b08709a4b59809ca87a5628752d/FLAGe7f499d77 [2020-12-02 14:09:43,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d90c4632c/4acb7b08709a4b59809ca87a5628752d [2020-12-02 14:09:43,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:09:43,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:09:43,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:09:43,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:09:43,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:09:43,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:43" (1/1) ... [2020-12-02 14:09:43,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9f66c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:43, skipping insertion in model container [2020-12-02 14:09:43,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:43" (1/1) ... [2020-12-02 14:09:43,163 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:09:43,227 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:09:43,929 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-div1.i[40610,40623] [2020-12-02 14:09:43,959 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-div1.i[40902,40915] [2020-12-02 14:09:43,963 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-div1.i[40949,40962] [2020-12-02 14:09:43,972 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:09:43,993 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:09:44,060 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-div1.i[40610,40623] [2020-12-02 14:09:44,073 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-div1.i[40902,40915] [2020-12-02 14:09:44,075 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-div1.i[40949,40962] [2020-12-02 14:09:44,079 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:09:44,518 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:09:44,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44 WrapperNode [2020-12-02 14:09:44,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:09:44,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:09:44,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:09:44,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:09:44,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:09:44,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:09:44,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:09:44,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:09:44,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (1/1) ... [2020-12-02 14:09:44,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:09:44,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:09:44,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:09:44,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:09:44,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (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 [2020-12-02 14:09:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 14:09:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:09:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:09:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:09:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:09:49,287 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:09:49,288 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-02 14:09:49,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:09:49 BoogieIcfgContainer [2020-12-02 14:09:49,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:09:49,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:09:49,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:09:49,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:09:49,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:09:43" (1/3) ... [2020-12-02 14:09:49,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1156ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:09:49, skipping insertion in model container [2020-12-02 14:09:49,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:44" (2/3) ... [2020-12-02 14:09:49,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1156ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:09:49, skipping insertion in model container [2020-12-02 14:09:49,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:09:49" (3/3) ... [2020-12-02 14:09:49,301 INFO L111 eAbstractionObserver]: Analyzing ICFG float-div1.i [2020-12-02 14:09:49,317 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:09:49,322 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-02 14:09:49,336 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-02 14:09:49,390 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:09:49,392 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:09:49,392 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:09:49,392 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:09:49,392 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:09:49,393 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:09:49,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:09:49,393 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:09:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-12-02 14:09:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-02 14:09:49,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:09:49,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:09:49,416 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:09:49,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:09:49,423 INFO L82 PathProgramCache]: Analyzing trace with hash 119383820, now seen corresponding path program 1 times [2020-12-02 14:09:49,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:09:49,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808542287] [2020-12-02 14:09:49,439 INFO L95 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 [2020-12-02 14:09:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:09:49,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 14:09:49,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:09:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:09:49,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:09:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:09:49,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808542287] [2020-12-02 14:09:49,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:09:49,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 14:09:49,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665421045] [2020-12-02 14:09:49,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 14:09:49,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:09:49,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 14:09:49,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 14:09:49,962 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-12-02 14:09:49,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:09:49,986 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2020-12-02 14:09:49,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 14:09:49,990 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-02 14:09:49,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:09:50,005 INFO L225 Difference]: With dead ends: 43 [2020-12-02 14:09:50,006 INFO L226 Difference]: Without dead ends: 20 [2020-12-02 14:09:50,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 14:09:50,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-02 14:09:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-02 14:09:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-02 14:09:50,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-12-02 14:09:50,051 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 8 [2020-12-02 14:09:50,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:09:50,052 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-12-02 14:09:50,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 14:09:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-12-02 14:09:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-02 14:09:50,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:09:50,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:09:50,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 14:09:50,269 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:09:50,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:09:50,271 INFO L82 PathProgramCache]: Analyzing trace with hash 119443402, now seen corresponding path program 1 times [2020-12-02 14:09:50,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:09:50,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500877857] [2020-12-02 14:09:50,273 INFO L95 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 [2020-12-02 14:09:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:09:51,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 14:09:51,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:09:51,501 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-12-02 14:09:53,767 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~secondPoint~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~nextState~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~target~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~startState (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~nextState~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~nextState~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~nextState~0))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~startState))) (.cse0 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~secondPoint~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~secondPoint~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~secondPoint~0))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~target~0)))) (and (= .cse0 (fp.div c_~CRM .cse1 .cse2)) (= (fp.div c_~CRM .cse1 .cse3) (fp ((_ extract 31 31) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) ((_ extract 30 23) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0) ((_ extract 22 0) c_ULTIMATE.start_inductiveStepHunt_~oneAfter~0))) (fp.lt ((_ to_fp 8 24) c_~CRM (_ bv0 32)) .cse2) (fp.isNormal .cse2) (= .cse3 (fp.div c_~CRM .cse4 ((_ to_fp 8 24) c_~CRM (_ bv2 32)))) (= (fp.add c_~CRM .cse2 .cse0) .cse4) (= .cse1 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0))))))) is different from false [2020-12-02 14:10:00,028 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~secondPoint~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~nextState~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~target~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~oneAfter~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~startState (_ BitVec 32))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~target~0))) (.cse5 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~nextState~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~nextState~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~nextState~0))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~oneAfter~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~oneAfter~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~oneAfter~0))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~startState))) (.cse0 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~secondPoint~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~secondPoint~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~secondPoint~0))) (.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|)))) (and (= .cse0 (fp.div roundNearestTiesToEven .cse1 .cse2)) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0))) (not (fp.gt .cse3 .cse4)) (fp.isNormal .cse2) (fp.lt .cse4 .cse2) (= .cse5 (fp.div roundNearestTiesToEven .cse6 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32)))) (= (fp.div roundNearestTiesToEven .cse1 .cse5) .cse3) (= (fp.add roundNearestTiesToEven .cse2 .cse0) .cse6)))) is different from false [2020-12-02 14:10:02,084 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~secondPoint~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~nextState~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~target~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~oneAfter~0 (_ BitVec 32)) (ULTIMATE.start_inductiveStepHunt_~startState (_ BitVec 32))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~target~0))) (.cse5 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~nextState~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~nextState~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~nextState~0))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~oneAfter~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~oneAfter~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~oneAfter~0))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~startState))) (.cse0 (fp ((_ extract 31 31) ULTIMATE.start_inductiveStepHunt_~secondPoint~0) ((_ extract 30 23) ULTIMATE.start_inductiveStepHunt_~secondPoint~0) ((_ extract 22 0) ULTIMATE.start_inductiveStepHunt_~secondPoint~0))) (.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|)))) (and (= .cse0 (fp.div roundNearestTiesToEven .cse1 .cse2)) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0))) (not (fp.gt .cse3 .cse4)) (fp.isNormal .cse2) (fp.lt .cse4 .cse2) (= .cse5 (fp.div roundNearestTiesToEven .cse6 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32)))) (= (fp.div roundNearestTiesToEven .cse1 .cse5) .cse3) (= (fp.add roundNearestTiesToEven .cse2 .cse0) .cse6)))) is different from true [2020-12-02 14:10:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:02,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:10:04,235 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse0 (fp ((_ extract 31 31) c_ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 30 23) c_ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 22 0) c_ULTIMATE.start_inductiveStepHunt_~startState))) (.cse3 (fp ((_ extract 31 31) c_ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 30 23) c_ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 22 0) c_ULTIMATE.start_inductiveStepHunt_~target~0))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6)))) (or (not (= (fp.add c_~CRM .cse0 .cse1) .cse2)) (not (= .cse1 (fp.div c_~CRM .cse3 .cse0))) (not (= .cse4 (fp.div c_~CRM .cse3 .cse5))) (not (= .cse5 (fp.div c_~CRM .cse2 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.gt .cse4 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-12-02 14:10:06,362 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse0 (fp ((_ extract 31 31) c_ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 30 23) c_ULTIMATE.start_inductiveStepHunt_~startState) ((_ extract 22 0) c_ULTIMATE.start_inductiveStepHunt_~startState))) (.cse3 (fp ((_ extract 31 31) c_ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 30 23) c_ULTIMATE.start_inductiveStepHunt_~target~0) ((_ extract 22 0) c_ULTIMATE.start_inductiveStepHunt_~target~0))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6)))) (or (not (= (fp.add c_~CRM .cse0 .cse1) .cse2)) (not (= .cse1 (fp.div c_~CRM .cse3 .cse0))) (not (= .cse4 (fp.div c_~CRM .cse3 .cse5))) (not (= .cse5 (fp.div c_~CRM .cse2 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.gt .cse4 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) (not |c_ULTIMATE.start_inductiveStepHunt_#t~short89|)) is different from true [2020-12-02 14:10:06,390 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 14:10:06,401 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 8 conjuncts [2020-12-02 14:10:08,508 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_inductiveStepHunt_~target~0_4 (_ BitVec 32)) (|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~startState_5 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~startState_5))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6))) (.cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~target~0_4)))) (or (not (= .cse0 (fp.div c_~CRM .cse1 .cse2))) (not (= (fp.div c_~CRM .cse1 .cse3) .cse4)) (fp.isNaN .cse3) (not (fp.isSubnormal .cse3)) (not (fp.lt .cse5 .cse3)) (not (fp.isNormal .cse3)) (not (= .cse2 (fp.div c_~CRM .cse6 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.isInfinite .cse3) (not (= .cse6 (fp.add c_~CRM .cse3 .cse4))) (fp.gt .cse0 .cse5) (not (= .cse1 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0))))))) (forall ((v_ULTIMATE.start_inductiveStepHunt_~target~0_4 (_ BitVec 32)) (|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~startState_5 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse13 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~startState_5))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6))) (.cse12 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~target~0_4)))) (or (not (= .cse7 (fp.div c_~CRM .cse8 .cse9))) (not (= (fp.div c_~CRM .cse8 .cse10) .cse11)) (fp.isNaN .cse10) (not (fp.lt .cse12 .cse10)) (not (fp.isNormal .cse10)) (not (= .cse9 (fp.div c_~CRM .cse13 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.isInfinite .cse10) (not (= .cse13 (fp.add c_~CRM .cse10 .cse11))) (fp.isSubnormal .cse10) (fp.gt .cse7 .cse12) (not (= .cse8 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0)))))))) is different from false [2020-12-02 14:10:10,594 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_inductiveStepHunt_~target~0_4 (_ BitVec 32)) (|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~startState_5 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~startState_5))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6))) (.cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~target~0_4)))) (or (not (= .cse0 (fp.div c_~CRM .cse1 .cse2))) (not (= (fp.div c_~CRM .cse1 .cse3) .cse4)) (fp.isNaN .cse3) (not (fp.isSubnormal .cse3)) (not (fp.lt .cse5 .cse3)) (not (fp.isNormal .cse3)) (not (= .cse2 (fp.div c_~CRM .cse6 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.isInfinite .cse3) (not (= .cse6 (fp.add c_~CRM .cse3 .cse4))) (fp.gt .cse0 .cse5) (not (= .cse1 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0))))))) (forall ((v_ULTIMATE.start_inductiveStepHunt_~target~0_4 (_ BitVec 32)) (|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~startState_5 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse13 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~startState_5))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6))) (.cse12 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~target~0_4)))) (or (not (= .cse7 (fp.div c_~CRM .cse8 .cse9))) (not (= (fp.div c_~CRM .cse8 .cse10) .cse11)) (fp.isNaN .cse10) (not (fp.lt .cse12 .cse10)) (not (fp.isNormal .cse10)) (not (= .cse9 (fp.div c_~CRM .cse13 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.isInfinite .cse10) (not (= .cse13 (fp.add c_~CRM .cse10 .cse11))) (fp.isSubnormal .cse10) (fp.gt .cse7 .cse12) (not (= .cse8 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0)))))))) is different from true [2020-12-02 14:10:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:10,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500877857] [2020-12-02 14:10:10,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:10:10,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2020-12-02 14:10:10,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364248640] [2020-12-02 14:10:10,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 14:10:10,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:10:10,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 14:10:10,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=22, Unknown=7, NotChecked=60, Total=110 [2020-12-02 14:10:10,603 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 11 states. [2020-12-02 14:10:12,700 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_inductiveStepHunt_~target~0_4 (_ BitVec 32)) (|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~startState_5 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~startState_5))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6))) (.cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~target~0_4)))) (or (not (= .cse0 (fp.div c_~CRM .cse1 .cse2))) (not (= (fp.div c_~CRM .cse1 .cse3) .cse4)) (fp.isNaN .cse3) (not (fp.isSubnormal .cse3)) (not (fp.lt .cse5 .cse3)) (not (fp.isNormal .cse3)) (not (= .cse2 (fp.div c_~CRM .cse6 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.isInfinite .cse3) (not (= .cse6 (fp.add c_~CRM .cse3 .cse4))) (fp.gt .cse0 .cse5) (not (= .cse1 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0))))))) (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_inductiveStepHunt_~target~0_4 (_ BitVec 32)) (|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~startState_5 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse13 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~startState_5))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6))) (.cse12 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~target~0_4)))) (or (not (= .cse7 (fp.div c_~CRM .cse8 .cse9))) (not (= (fp.div c_~CRM .cse8 .cse10) .cse11)) (fp.isNaN .cse10) (not (fp.lt .cse12 .cse10)) (not (fp.isNormal .cse10)) (not (= .cse9 (fp.div c_~CRM .cse13 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.isInfinite .cse10) (not (= .cse13 (fp.add c_~CRM .cse10 .cse11))) (fp.isSubnormal .cse10) (fp.gt .cse7 .cse12) (not (= .cse8 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0)))))))) is different from false [2020-12-02 14:10:14,784 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_inductiveStepHunt_~target~0_4 (_ BitVec 32)) (|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~startState_5 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~startState_5))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6))) (.cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~target~0_4)))) (or (not (= .cse0 (fp.div c_~CRM .cse1 .cse2))) (not (= (fp.div c_~CRM .cse1 .cse3) .cse4)) (fp.isNaN .cse3) (not (fp.isSubnormal .cse3)) (not (fp.lt .cse5 .cse3)) (not (fp.isNormal .cse3)) (not (= .cse2 (fp.div c_~CRM .cse6 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.isInfinite .cse3) (not (= .cse6 (fp.add c_~CRM .cse3 .cse4))) (fp.gt .cse0 .cse5) (not (= .cse1 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0))))))) (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_inductiveStepHunt_~target~0_4 (_ BitVec 32)) (|v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6| (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~startState_5 (_ BitVec 32)) (v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~nextState~0_4))) (.cse13 (fp ((_ extract 31 31) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 30 23) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|) ((_ extract 22 0) |v_ULTIMATE.start_inductiveStepHunt_#t~nondet91_6|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~secondPoint~0_4))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~startState_5) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~startState_5))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~oneAfter~0_6))) (.cse12 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 30 23) v_ULTIMATE.start_inductiveStepHunt_~target~0_4) ((_ extract 22 0) v_ULTIMATE.start_inductiveStepHunt_~target~0_4)))) (or (not (= .cse7 (fp.div c_~CRM .cse8 .cse9))) (not (= (fp.div c_~CRM .cse8 .cse10) .cse11)) (fp.isNaN .cse10) (not (fp.lt .cse12 .cse10)) (not (fp.isNormal .cse10)) (not (= .cse9 (fp.div c_~CRM .cse13 ((_ to_fp 8 24) c_~CRM (_ bv2 32))))) (fp.isInfinite .cse10) (not (= .cse13 (fp.add c_~CRM .cse10 .cse11))) (fp.isSubnormal .cse10) (fp.gt .cse7 .cse12) (not (= .cse8 ((_ to_fp 8 24) c_~CRM (/ 16777215.0 67108864.0)))))))) is different from true [2020-12-02 14:11:05,146 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 14:11:05,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 14:11:05,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 14:11:05,350 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:131) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:53) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1064) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 54 more [2020-12-02 14:11:05,372 INFO L168 Benchmark]: Toolchain (without parser) took 82247.52 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.7 MB in the beginning and 35.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:05,375 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:11:05,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1397.34 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 39.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:05,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.31 ms. Allocated memory is still 58.7 MB. Free memory was 39.0 MB in the beginning and 36.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:05,384 INFO L168 Benchmark]: Boogie Preprocessor took 69.49 ms. Allocated memory is still 58.7 MB. Free memory was 35.8 MB in the beginning and 34.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:11:05,385 INFO L168 Benchmark]: RCFGBuilder took 4582.00 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 16.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:05,394 INFO L168 Benchmark]: TraceAbstraction took 76072.40 ms. Allocated memory is still 58.7 MB. Free memory was 16.9 MB in the beginning and 35.3 MB in the end (delta: -18.3 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:05,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1397.34 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 39.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.31 ms. Allocated memory is still 58.7 MB. Free memory was 39.0 MB in the beginning and 36.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.49 ms. Allocated memory is still 58.7 MB. Free memory was 35.8 MB in the beginning and 34.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 4582.00 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 16.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 76072.40 ms. Allocated memory is still 58.7 MB. Free memory was 16.9 MB in the beginning and 35.3 MB in the end (delta: -18.3 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...