./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c --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/float-benchs/cast_union_tight.c -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 3d31f2d0d6b0c3e8ac2e406df583c8b091e17f75 ...................................................................................................................................................................................................................................................... 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/float-benchs/cast_union_tight.c -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 3d31f2d0d6b0c3e8ac2e406df583c8b091e17f75 ............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 14:14:18,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:14:18,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:14:18,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:14:18,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:14:18,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:14:18,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:14:18,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:14:18,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:14:18,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:14:18,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:14:18,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:14:18,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:14:18,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:14:18,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:14:18,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:14:18,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:14:18,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:14:18,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:14:18,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:14:18,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:14:18,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:14:18,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:14:18,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:14:18,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:14:18,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:14:18,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:14:18,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:14:18,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:14:18,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:14:18,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:14:18,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:14:18,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:14:18,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:14:18,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:14:18,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:14:18,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:14:18,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:14:18,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:14:18,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:14:18,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:14:18,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:14:18,772 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:14:18,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:14:18,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:14:18,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:14:18,778 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:14:18,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:14:18,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:14:18,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:14:18,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:14:18,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:14:18,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:14:18,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:14:18,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:14:18,782 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:14:18,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:14:18,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:14:18,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:14:18,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:14:18,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:14:18,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:14:18,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:14:18,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:14:18,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:14:18,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:14:18,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:14:18,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:14:18,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:14:18,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:14:18,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:14:18,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d31f2d0d6b0c3e8ac2e406df583c8b091e17f75 [2020-12-02 14:14:19,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:14:19,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:14:19,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:14:19,288 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:14:19,290 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:14:19,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-12-02 14:14:19,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d44d5a1/17d1aa00a4c34c32ab316da429bdc67d/FLAG75a43b7fa [2020-12-02 14:14:20,005 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:14:20,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-12-02 14:14:20,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d44d5a1/17d1aa00a4c34c32ab316da429bdc67d/FLAG75a43b7fa [2020-12-02 14:14:20,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d44d5a1/17d1aa00a4c34c32ab316da429bdc67d [2020-12-02 14:14:20,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:14:20,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:14:20,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:20,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:14:20,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:14:20,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2219ab1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20, skipping insertion in model container [2020-12-02 14:14:20,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,430 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:14:20,454 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:14:20,653 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c[495,508] [2020-12-02 14:14:20,673 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:14:20,682 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:14:20,700 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c[495,508] [2020-12-02 14:14:20,710 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:14:20,728 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:14:20,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20 WrapperNode [2020-12-02 14:14:20,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:20,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:14:20,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:14:20,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:14:20,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:14:20,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:14:20,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:14:20,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:14:20,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (1/1) ... [2020-12-02 14:14:20,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:14:20,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:14:20,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:14:20,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:14:20,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (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 14:14:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 14:14:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:14:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 14:14:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 14:14:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:14:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:14:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 14:14:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 14:14:21,184 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:14:21,184 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-02 14:14:21,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:21 BoogieIcfgContainer [2020-12-02 14:14:21,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:14:21,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:14:21,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:14:21,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:14:21,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:14:20" (1/3) ... [2020-12-02 14:14:21,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f21ada9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:21, skipping insertion in model container [2020-12-02 14:14:21,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:20" (2/3) ... [2020-12-02 14:14:21,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f21ada9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:21, skipping insertion in model container [2020-12-02 14:14:21,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:21" (3/3) ... [2020-12-02 14:14:21,220 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-12-02 14:14:21,260 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:14:21,268 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 14:14:21,296 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 14:14:21,324 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:14:21,324 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:14:21,324 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:14:21,324 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:14:21,324 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:14:21,324 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:14:21,325 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:14:21,325 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:14:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-02 14:14:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-02 14:14:21,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:14:21,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-02 14:14:21,343 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:14:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:14:21,350 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2020-12-02 14:14:21,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 14:14:21,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744155641] [2020-12-02 14:14:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 14:14:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:14:21,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:14:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:14:21,567 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:14:21,599 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 14:14:21,600 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 14:14:21,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 14:14:21,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:14:21 BoogieIcfgContainer [2020-12-02 14:14:21,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:14:21,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:14:21,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:14:21,630 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:14:21,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:21" (3/4) ... [2020-12-02 14:14:21,633 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 14:14:21,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:14:21,636 INFO L168 Benchmark]: Toolchain (without parser) took 1239.70 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 17.0 MB in the beginning and 29.3 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:21,637 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory was 24.6 MB in the beginning and 24.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:21,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.89 ms. Allocated memory is still 39.8 MB. Free memory was 16.8 MB in the beginning and 16.1 MB in the end (delta: 710.4 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:21,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.01 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 16.1 MB in the beginning and 33.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:21,641 INFO L168 Benchmark]: Boogie Preprocessor took 27.48 ms. Allocated memory is still 48.2 MB. Free memory was 33.0 MB in the beginning and 31.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:21,642 INFO L168 Benchmark]: RCFGBuilder took 383.98 ms. Allocated memory is still 48.2 MB. Free memory was 31.8 MB in the beginning and 29.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:21,643 INFO L168 Benchmark]: TraceAbstraction took 437.54 ms. Allocated memory is still 48.2 MB. Free memory was 29.6 MB in the beginning and 29.5 MB in the end (delta: 155.5 kB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:21,644 INFO L168 Benchmark]: Witness Printer took 4.43 ms. Allocated memory is still 48.2 MB. Free memory was 29.5 MB in the beginning and 29.3 MB in the end (delta: 222.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:21,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory was 24.6 MB in the beginning and 24.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.89 ms. Allocated memory is still 39.8 MB. Free memory was 16.8 MB in the beginning and 16.1 MB in the end (delta: 710.4 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.01 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 16.1 MB in the beginning and 33.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.48 ms. Allocated memory is still 48.2 MB. Free memory was 33.0 MB in the beginning and 31.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 383.98 ms. Allocated memory is still 48.2 MB. Free memory was 31.8 MB in the beginning and 29.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 437.54 ms. Allocated memory is still 48.2 MB. Free memory was 29.6 MB in the beginning and 29.5 MB in the end (delta: 155.5 kB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.43 ms. Allocated memory is still 48.2 MB. Free memory was 29.5 MB in the beginning and 29.3 MB in the end (delta: 222.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 23, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 34, overapproximation of bitwiseXor at line 22. Possible FailurePath: [L28] int a; [L29] double r; [L31] a = __VERIFIER_nondet_int() [L18] union u x, y; [L19] x.i[0] = 0x43300000 [L20] EXPR x.i[0] [L20] y.i[0] = x.i[0] [L21] x.i[1] = 0x80000000 [L22] EXPR x.i[1] [L22] y.i[1] = i ^ x.i[1] [L23] EXPR y.d [L23] EXPR x.d [L23] return y.d - x.d; [L23] return y.d - x.d; [L23] return y.d - x.d; [L33] r = cast(a) [L9] COND TRUE !(cond) [L9] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 14:14:24,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:14:24,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:14:24,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:14:24,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:14:24,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:14:24,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:14:24,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:14:24,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:14:24,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:14:24,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:14:24,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:14:24,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:14:24,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:14:24,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:14:24,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:14:24,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:14:24,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:14:24,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:14:24,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:14:24,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:14:24,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:14:24,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:14:24,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:14:24,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:14:24,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:14:24,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:14:24,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:14:24,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:14:24,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:14:24,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:14:24,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:14:24,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:14:24,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:14:24,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:14:24,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:14:24,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:14:24,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:14:24,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:14:24,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:14:24,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:14:24,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:14:24,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:14:24,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:14:24,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:14:24,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:14:24,335 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:14:24,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:14:24,336 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:14:24,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:14:24,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:14:24,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:14:24,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:14:24,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:14:24,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:14:24,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:14:24,338 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:14:24,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:14:24,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:14:24,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:14:24,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:14:24,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:14:24,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:14:24,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:14:24,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:14:24,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:14:24,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:14:24,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:14:24,342 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:14:24,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:14:24,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:14:24,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:14:24,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:14:24,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d31f2d0d6b0c3e8ac2e406df583c8b091e17f75 [2020-12-02 14:14:24,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:14:24,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:14:24,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:14:24,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:14:24,839 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:14:24,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-12-02 14:14:24,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403350cc4/5b42f2ca89e14a1da2ae4f29a0e7c003/FLAG1ff7ce4c3 [2020-12-02 14:14:25,559 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:14:25,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-12-02 14:14:25,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403350cc4/5b42f2ca89e14a1da2ae4f29a0e7c003/FLAG1ff7ce4c3 [2020-12-02 14:14:25,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403350cc4/5b42f2ca89e14a1da2ae4f29a0e7c003 [2020-12-02 14:14:25,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:14:25,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:14:25,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:25,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:14:25,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:14:25,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:25" (1/1) ... [2020-12-02 14:14:25,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d172cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:25, skipping insertion in model container [2020-12-02 14:14:25,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:25" (1/1) ... [2020-12-02 14:14:25,908 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:14:25,931 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:14:26,086 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c[495,508] [2020-12-02 14:14:26,105 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:14:26,124 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:14:26,139 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c[495,508] [2020-12-02 14:14:26,152 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:14:26,178 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:14:26,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26 WrapperNode [2020-12-02 14:14:26,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:26,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:14:26,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:14:26,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:14:26,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:14:26,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:14:26,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:14:26,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:14:26,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (1/1) ... [2020-12-02 14:14:26,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:14:26,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:14:26,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:14:26,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:14:26,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (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 14:14:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 14:14:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 14:14:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:14:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:14:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 14:14:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:14:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:14:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 14:14:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 14:14:27,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:14:27,597 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-02 14:14:27,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:27 BoogieIcfgContainer [2020-12-02 14:14:27,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:14:27,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:14:27,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:14:27,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:14:27,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:14:25" (1/3) ... [2020-12-02 14:14:27,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c78c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:27, skipping insertion in model container [2020-12-02 14:14:27,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:26" (2/3) ... [2020-12-02 14:14:27,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c78c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:27, skipping insertion in model container [2020-12-02 14:14:27,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:27" (3/3) ... [2020-12-02 14:14:27,608 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-12-02 14:14:27,623 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:14:27,627 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 14:14:27,641 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 14:14:27,667 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:14:27,668 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:14:27,668 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:14:27,668 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:14:27,668 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:14:27,668 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:14:27,668 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:14:27,669 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:14:27,683 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-02 14:14:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-02 14:14:27,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:14:27,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-02 14:14:27,690 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:14:27,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:14:27,697 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2020-12-02 14:14:27,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:14:27,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642368006] [2020-12-02 14:14:27,714 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 14:14:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:14:28,018 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:14:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:14:28,211 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:14:28,257 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-02 14:14:28,257 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 14:14:28,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 14:14:28,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:14:28 BoogieIcfgContainer [2020-12-02 14:14:28,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:14:28,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:14:28,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:14:28,507 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:14:28,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:27" (3/4) ... [2020-12-02 14:14:28,511 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-02 14:14:28,557 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 14:14:28,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:14:28,560 INFO L168 Benchmark]: Toolchain (without parser) took 2677.17 ms. Allocated memory is still 56.6 MB. Free memory was 40.7 MB in the beginning and 19.3 MB in the end (delta: 21.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:28,561 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 41.9 MB. Free memory was 20.0 MB in the beginning and 19.9 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:28,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.39 ms. Allocated memory is still 56.6 MB. Free memory was 40.5 MB in the beginning and 29.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:28,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.15 ms. Allocated memory is still 56.6 MB. Free memory was 41.4 MB in the beginning and 39.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:28,576 INFO L168 Benchmark]: Boogie Preprocessor took 36.57 ms. Allocated memory is still 56.6 MB. Free memory was 39.8 MB in the beginning and 38.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:28,581 INFO L168 Benchmark]: RCFGBuilder took 1269.97 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 112.4 kB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:28,582 INFO L168 Benchmark]: TraceAbstraction took 905.71 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 21.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:28,583 INFO L168 Benchmark]: Witness Printer took 50.40 ms. Allocated memory is still 56.6 MB. Free memory was 21.1 MB in the beginning and 19.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:28,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 41.9 MB. Free memory was 20.0 MB in the beginning and 19.9 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.39 ms. Allocated memory is still 56.6 MB. Free memory was 40.5 MB in the beginning and 29.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.15 ms. Allocated memory is still 56.6 MB. Free memory was 41.4 MB in the beginning and 39.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.57 ms. Allocated memory is still 56.6 MB. Free memory was 39.8 MB in the beginning and 38.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1269.97 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 112.4 kB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 905.71 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 21.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 50.40 ms. Allocated memory is still 56.6 MB. Free memory was 21.1 MB in the beginning and 19.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L28] int a; [L29] double r; [L31] a = __VERIFIER_nondet_int() [L18] union u x, y; [L19] x.i[0] = 0x43300000 [L20] EXPR x.i[0] [L20] y.i[0] = x.i[0] [L21] x.i[1] = 0x80000000 [L22] EXPR x.i[1] [L22] y.i[1] = i ^ x.i[1] [L23] EXPR y.d [L23] EXPR x.d [L23] EXPR y.d - x.d [L23] return y.d - x.d; [L23] return y.d - x.d; [L23] return y.d - x.d; [L33] r = cast(a) [L9] COND TRUE !(cond) [L9] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...