./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_tight.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer --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=/tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer --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-a4ecdab [2020-11-30 00:11:36,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:36,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:36,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:36,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:36,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:36,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:36,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:36,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:36,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:36,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:36,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:36,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:36,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:36,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:36,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:36,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:36,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:36,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:36,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:36,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:36,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:36,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:36,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:36,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:36,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:36,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:36,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:36,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:36,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:36,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:36,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:36,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:36,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:36,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:36,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:36,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:36,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:36,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:36,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:36,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:36,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:11:36,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:36,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:36,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:36,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:36,319 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:36,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:36,320 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:36,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:11:36,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:36,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:36,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:36,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:36,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:36,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:36,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:36,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:36,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:36,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:36,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:36,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:36,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:11:36,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:36,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:36,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:36,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:36,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:11:36,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:11:36,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:36,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:36,328 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:/tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d31f2d0d6b0c3e8ac2e406df583c8b091e17f75 [2020-11-30 00:11:36,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:36,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:36,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:36,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:36,638 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:36,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-11-30 00:11:36,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data/1446bbe75/8c36052d752e4170aed6e5ce6985f334/FLAG51cb0266f [2020-11-30 00:11:37,162 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:37,163 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-11-30 00:11:37,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data/1446bbe75/8c36052d752e4170aed6e5ce6985f334/FLAG51cb0266f [2020-11-30 00:11:37,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data/1446bbe75/8c36052d752e4170aed6e5ce6985f334 [2020-11-30 00:11:37,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:37,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:37,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:37,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:37,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:37,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c13cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37, skipping insertion in model container [2020-11-30 00:11:37,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:37,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:37,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:37,778 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:37,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:37,815 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:37,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37 WrapperNode [2020-11-30 00:11:37,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:37,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:37,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:37,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:37,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:37,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:37,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:37,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:37,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... [2020-11-30 00:11:37,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:37,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:37,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:37,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:37,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/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 [2020-11-30 00:11:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:11:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:11:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:11:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:11:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:11:38,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:11:38,289 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-30 00:11:38,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:38 BoogieIcfgContainer [2020-11-30 00:11:38,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:11:38,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:11:38,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:11:38,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:11:38,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:11:37" (1/3) ... [2020-11-30 00:11:38,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b88e4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:38, skipping insertion in model container [2020-11-30 00:11:38,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:37" (2/3) ... [2020-11-30 00:11:38,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b88e4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:38, skipping insertion in model container [2020-11-30 00:11:38,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:38" (3/3) ... [2020-11-30 00:11:38,300 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-11-30 00:11:38,311 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:11:38,315 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:11:38,327 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:11:38,352 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:11:38,353 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:11:38,353 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:11:38,353 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:11:38,353 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:11:38,353 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:11:38,353 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:11:38,353 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:11:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-30 00:11:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 00:11:38,372 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:38,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 00:11:38,373 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:38,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:38,379 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2020-11-30 00:11:38,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:38,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254250349] [2020-11-30 00:11:38,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:38,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:38,601 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:38,637 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:11:38,638 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:11:38,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:11:38,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:11:38 BoogieIcfgContainer [2020-11-30 00:11:38,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:11:38,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:11:38,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:11:38,670 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:11:38,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:38" (3/4) ... [2020-11-30 00:11:38,674 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:11:38,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:11:38,678 INFO L168 Benchmark]: Toolchain (without parser) took 1101.72 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 47.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:38,679 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 52.0 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:38,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.23 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 78.2 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:38,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.29 ms. Allocated memory is still 100.7 MB. Free memory was 78.2 MB in the beginning and 76.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:38,684 INFO L168 Benchmark]: Boogie Preprocessor took 36.30 ms. Allocated memory is still 100.7 MB. Free memory was 76.5 MB in the beginning and 75.7 MB in the end (delta: 786.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:38,685 INFO L168 Benchmark]: RCFGBuilder took 401.19 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 62.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:38,686 INFO L168 Benchmark]: TraceAbstraction took 374.04 ms. Allocated memory is still 100.7 MB. Free memory was 61.9 MB in the beginning and 48.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:38,687 INFO L168 Benchmark]: Witness Printer took 5.15 ms. Allocated memory is still 100.7 MB. Free memory was 48.0 MB in the beginning and 47.6 MB in the end (delta: 384.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:38,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 52.0 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 241.23 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 78.2 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.29 ms. Allocated memory is still 100.7 MB. Free memory was 78.2 MB in the beginning and 76.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.30 ms. Allocated memory is still 100.7 MB. Free memory was 76.5 MB in the beginning and 75.7 MB in the end (delta: 786.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 401.19 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 62.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 374.04 ms. Allocated memory is still 100.7 MB. Free memory was 61.9 MB in the beginning and 48.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.15 ms. Allocated memory is still 100.7 MB. Free memory was 48.0 MB in the beginning and 47.6 MB in the end (delta: 384.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 34, overapproximation of someBinaryArithmeticDOUBLEoperation at line 23, 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) [L3] __assert_fail("0", "cast_union_tight.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=11occurred 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-a4ecdab [2020-11-30 00:11:41,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:41,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:41,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:41,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:41,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:41,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:41,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:41,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:41,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:41,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:41,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:41,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:41,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:41,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:41,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:41,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:41,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:41,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:41,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:41,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:41,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:41,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:41,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:41,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:41,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:41,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:41,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:41,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:41,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:41,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:41,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:41,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:41,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:41,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:41,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:41,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:41,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:41,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:41,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:41,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:41,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:11:41,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:41,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:41,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:41,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:41,424 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:41,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:41,424 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:41,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:41,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:41,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:41,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:41,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:41,426 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:11:41,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:11:41,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:41,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:41,427 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:41,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:41,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:41,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:41,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:41,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:11:41,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:41,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:41,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:41,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:41,429 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:11:41,429 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:11:41,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:41,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:41,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:11:41,430 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:/tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d31f2d0d6b0c3e8ac2e406df583c8b091e17f75 [2020-11-30 00:11:41,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:41,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:41,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:41,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:41,881 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:41,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-11-30 00:11:41,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data/d72a2bce8/42c230f764c14c3295239b512f79ac1e/FLAG9d29cd786 [2020-11-30 00:11:42,511 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:42,512 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-11-30 00:11:42,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data/d72a2bce8/42c230f764c14c3295239b512f79ac1e/FLAG9d29cd786 [2020-11-30 00:11:42,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/data/d72a2bce8/42c230f764c14c3295239b512f79ac1e [2020-11-30 00:11:42,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:42,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:42,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:42,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:42,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:42,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:42" (1/1) ... [2020-11-30 00:11:42,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4588f3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:42, skipping insertion in model container [2020-11-30 00:11:42,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:42" (1/1) ... [2020-11-30 00:11:42,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:42,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:43,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:43,069 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:43,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:43,111 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:43,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43 WrapperNode [2020-11-30 00:11:43,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:43,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:43,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:43,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:43,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:43,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:43,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:43,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:43,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... [2020-11-30 00:11:43,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:43,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:43,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:43,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:43,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/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 [2020-11-30 00:11:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 00:11:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:11:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:11:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:11:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:11:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:11:43,918 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:11:43,919 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-30 00:11:43,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:43 BoogieIcfgContainer [2020-11-30 00:11:43,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:11:43,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:11:43,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:11:43,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:11:43,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:11:42" (1/3) ... [2020-11-30 00:11:43,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4096fd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:43, skipping insertion in model container [2020-11-30 00:11:43,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:43" (2/3) ... [2020-11-30 00:11:43,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4096fd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:43, skipping insertion in model container [2020-11-30 00:11:43,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:43" (3/3) ... [2020-11-30 00:11:43,931 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-11-30 00:11:43,942 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:11:43,946 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:11:43,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:11:43,994 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:11:43,995 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:11:43,995 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:11:43,995 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:11:44,003 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:11:44,003 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:11:44,004 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:11:44,004 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:11:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-30 00:11:44,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 00:11:44,022 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:44,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 00:11:44,023 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:44,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:44,030 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2020-11-30 00:11:44,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:11:44,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523221026] [2020-11-30 00:11:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/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 [2020-11-30 00:11:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:44,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:44,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:44,615 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:11:44,615 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:11:44,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:11:44,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:11:44 BoogieIcfgContainer [2020-11-30 00:11:44,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:11:44,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:11:44,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:11:44,842 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:11:44,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:43" (3/4) ... [2020-11-30 00:11:44,845 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:11:44,897 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aa97f5f9-1c92-4e2a-9bc1-d07c20c13eba/bin/uautomizer/witness.graphml [2020-11-30 00:11:44,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:11:44,901 INFO L168 Benchmark]: Toolchain (without parser) took 2031.61 ms. Allocated memory is still 62.9 MB. Free memory was 43.7 MB in the beginning and 30.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,902 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 44.2 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:44,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.50 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 33.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.28 ms. Allocated memory is still 62.9 MB. Free memory was 33.1 MB in the beginning and 46.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,908 INFO L168 Benchmark]: Boogie Preprocessor took 53.18 ms. Allocated memory is still 62.9 MB. Free memory was 46.4 MB in the beginning and 45.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:44,909 INFO L168 Benchmark]: RCFGBuilder took 671.00 ms. Allocated memory is still 62.9 MB. Free memory was 45.0 MB in the beginning and 31.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,910 INFO L168 Benchmark]: TraceAbstraction took 916.73 ms. Allocated memory is still 62.9 MB. Free memory was 31.5 MB in the beginning and 32.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,911 INFO L168 Benchmark]: Witness Printer took 57.07 ms. Allocated memory is still 62.9 MB. Free memory was 32.7 MB in the beginning and 30.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 44.2 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 240.50 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 33.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.28 ms. Allocated memory is still 62.9 MB. Free memory was 33.1 MB in the beginning and 46.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.18 ms. Allocated memory is still 62.9 MB. Free memory was 46.4 MB in the beginning and 45.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 671.00 ms. Allocated memory is still 62.9 MB. Free memory was 45.0 MB in the beginning and 31.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 916.73 ms. Allocated memory is still 62.9 MB. Free memory was 31.5 MB in the beginning and 32.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. * Witness Printer took 57.07 ms. Allocated memory is still 62.9 MB. Free memory was 32.7 MB in the beginning and 30.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_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] 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) [L3] __assert_fail("0", "cast_union_tight.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, 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=11occurred 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, 0.1s 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...