./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_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/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_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/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 [2020-11-28 03:05:25,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:25,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:25,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:25,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:25,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:25,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:25,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:25,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:25,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:25,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:25,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:25,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:25,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:25,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:25,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:25,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:25,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:25,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:25,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:25,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:25,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:25,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:25,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:25,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:25,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:25,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:25,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:25,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:25,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:25,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:25,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:25,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:25,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:25,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:25,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:25,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:25,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:25,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:25,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:25,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:25,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:05:25,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:25,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:25,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:25,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:25,670 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:25,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:25,671 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:25,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:25,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:25,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:25,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:05:25,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:05:25,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:05:25,674 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:25,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:25,675 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:25,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:05:25,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:25,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:25,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:05:25,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:05:25,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:25,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:25,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:05:25,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:05:25,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:25,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:05:25,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:05:25,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:25,679 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_ca64fd6a-9ad6-479f-95b1-00717812b077/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d31f2d0d6b0c3e8ac2e406df583c8b091e17f75 [2020-11-28 03:05:26,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:26,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:26,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:26,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:26,096 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:26,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-11-28 03:05:26,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data/a032eb16f/19f7e61efe88431a88a6820b05041fab/FLAG3157b376b [2020-11-28 03:05:26,790 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:26,791 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-11-28 03:05:26,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data/a032eb16f/19f7e61efe88431a88a6820b05041fab/FLAG3157b376b [2020-11-28 03:05:27,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data/a032eb16f/19f7e61efe88431a88a6820b05041fab [2020-11-28 03:05:27,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:27,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:27,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:27,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:27,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:27,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea35dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27, skipping insertion in model container [2020-11-28 03:05:27,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:27,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:27,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:27,464 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:27,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:27,520 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:27,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27 WrapperNode [2020-11-28 03:05:27,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:27,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:27,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:27,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:27,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:27,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:27,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:27,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:27,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:27,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:27,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:27,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:27,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/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 [2020-11-28 03:05:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:05:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 03:05:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:05:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:05:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:05:28,119 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:28,121 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 03:05:28,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:28 BoogieIcfgContainer [2020-11-28 03:05:28,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:28,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:05:28,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:05:28,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:05:28,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:27" (1/3) ... [2020-11-28 03:05:28,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316da330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:28, skipping insertion in model container [2020-11-28 03:05:28,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (2/3) ... [2020-11-28 03:05:28,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316da330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:28, skipping insertion in model container [2020-11-28 03:05:28,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:28" (3/3) ... [2020-11-28 03:05:28,138 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-11-28 03:05:28,156 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:05:28,161 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:05:28,176 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:05:28,218 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:05:28,219 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:05:28,219 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:05:28,219 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:28,219 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:28,220 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:05:28,220 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:28,220 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:05:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-28 03:05:28,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 03:05:28,246 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:28,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 03:05:28,248 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:28,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:28,255 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2020-11-28 03:05:28,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:28,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276347853] [2020-11-28 03:05:28,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:28,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:28,506 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:28,547 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:28,548 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:05:28,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:05:28,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:28 BoogieIcfgContainer [2020-11-28 03:05:28,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:05:28,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:28,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:28,594 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:28,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:28" (3/4) ... [2020-11-28 03:05:28,598 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:05:28,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:28,603 INFO L168 Benchmark]: Toolchain (without parser) took 1459.28 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 47.0 MB in the end (delta: 27.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:28,605 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 58.3 MB in the end (delta: 41.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:28,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.52 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 77.5 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:28,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.35 ms. Allocated memory is still 100.7 MB. Free memory was 77.5 MB in the beginning and 76.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:28,610 INFO L168 Benchmark]: Boogie Preprocessor took 45.09 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 74.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:28,612 INFO L168 Benchmark]: RCFGBuilder took 509.96 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 61.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:28,613 INFO L168 Benchmark]: TraceAbstraction took 462.88 ms. Allocated memory is still 100.7 MB. Free memory was 61.1 MB in the beginning and 47.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:28,614 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 100.7 MB. Free memory was 47.3 MB in the beginning and 47.0 MB in the end (delta: 296.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:28,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 58.3 MB in the end (delta: 41.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 380.52 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 77.5 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.35 ms. Allocated memory is still 100.7 MB. Free memory was 77.5 MB in the beginning and 76.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.09 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 74.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 509.96 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 61.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 462.88 ms. Allocated memory is still 100.7 MB. Free memory was 61.1 MB in the beginning and 47.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.28 ms. Allocated memory is still 100.7 MB. Free memory was 47.3 MB in the beginning and 47.0 MB in the end (delta: 296.0 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: 0.3s, 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 [2020-11-28 03:05:31,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:31,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:31,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:31,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:31,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:31,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:31,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:31,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:31,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:31,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:31,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:31,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:31,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:31,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:31,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:31,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:31,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:31,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:31,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:31,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:31,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:31,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:31,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:31,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:31,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:31,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:31,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:31,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:31,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:31,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:31,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:31,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:31,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:31,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:31,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:31,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:31,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:31,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:31,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:31,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:31,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:05:31,915 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:31,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:31,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:31,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:31,921 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:31,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:31,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:31,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:31,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:31,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:05:31,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:05:31,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:05:31,924 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:05:31,925 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:05:31,925 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:31,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:31,926 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:31,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:05:31,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:31,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:31,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:05:31,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:05:31,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:31,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:31,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:05:31,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:05:31,949 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:05:31,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:05:31,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:05:31,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:31,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:05:31,950 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_ca64fd6a-9ad6-479f-95b1-00717812b077/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d31f2d0d6b0c3e8ac2e406df583c8b091e17f75 [2020-11-28 03:05:32,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:32,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:32,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:32,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:32,512 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:32,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-11-28 03:05:32,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data/42c5edbe2/7681312892e74df685d28994b3edfa43/FLAGae9ace211 [2020-11-28 03:05:33,203 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:33,204 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-11-28 03:05:33,214 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data/42c5edbe2/7681312892e74df685d28994b3edfa43/FLAGae9ace211 [2020-11-28 03:05:33,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/data/42c5edbe2/7681312892e74df685d28994b3edfa43 [2020-11-28 03:05:33,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:33,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:33,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:33,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:33,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:33,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:33,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21650e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33, skipping insertion in model container [2020-11-28 03:05:33,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:33,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:33,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:33,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:33,805 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:33,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:33,870 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:33,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33 WrapperNode [2020-11-28 03:05:33,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:33,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:33,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:33,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:33,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:33,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:33,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:34,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:34,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:34,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:34,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:34,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:34,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:34,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:34,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:34,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:34,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:34,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:34,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:34,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:34,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:34,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/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 [2020-11-28 03:05:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-28 03:05:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:05:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:05:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:05:34,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:05:34,875 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:34,876 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 03:05:34,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:34 BoogieIcfgContainer [2020-11-28 03:05:34,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:34,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:05:34,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:05:34,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:05:34,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:33" (1/3) ... [2020-11-28 03:05:34,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46536be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:34, skipping insertion in model container [2020-11-28 03:05:34,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33" (2/3) ... [2020-11-28 03:05:34,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46536be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:34, skipping insertion in model container [2020-11-28 03:05:34,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:34" (3/3) ... [2020-11-28 03:05:34,888 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-11-28 03:05:34,906 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:05:34,911 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:05:34,926 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:05:34,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:05:34,971 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:05:34,971 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:05:34,971 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:34,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:34,972 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:05:34,972 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:34,972 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:05:34,987 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-28 03:05:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 03:05:34,993 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:34,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 03:05:34,994 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:35,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:35,002 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2020-11-28 03:05:35,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:05:35,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502691718] [2020-11-28 03:05:35,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/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 [2020-11-28 03:05:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:35,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:35,604 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:35,656 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 03:05:35,657 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:05:35,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:05:35,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:35 BoogieIcfgContainer [2020-11-28 03:05:35,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:05:35,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:35,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:35,887 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:35,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:34" (3/4) ... [2020-11-28 03:05:35,906 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:05:35,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ca64fd6a-9ad6-479f-95b1-00717812b077/bin/uautomizer/witness.graphml [2020-11-28 03:05:35,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:35,970 INFO L168 Benchmark]: Toolchain (without parser) took 2427.13 ms. Allocated memory is still 88.1 MB. Free memory was 54.4 MB in the beginning and 70.4 MB in the end (delta: -16.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:35,971 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 70.8 MB in the beginning and 70.7 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:35,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.17 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 66.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:35,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.94 ms. Allocated memory is still 88.1 MB. Free memory was 66.9 MB in the beginning and 71.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:35,974 INFO L168 Benchmark]: Boogie Preprocessor took 77.37 ms. Allocated memory is still 88.1 MB. Free memory was 71.9 MB in the beginning and 70.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:35,975 INFO L168 Benchmark]: RCFGBuilder took 798.53 ms. Allocated memory is still 88.1 MB. Free memory was 70.6 MB in the beginning and 57.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:35,976 INFO L168 Benchmark]: TraceAbstraction took 1004.71 ms. Allocated memory is still 88.1 MB. Free memory was 57.0 MB in the beginning and 40.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:35,977 INFO L168 Benchmark]: Witness Printer took 81.95 ms. Allocated memory is still 88.1 MB. Free memory was 40.1 MB in the beginning and 70.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:35,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 70.8 MB in the beginning and 70.7 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.17 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 66.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.94 ms. Allocated memory is still 88.1 MB. Free memory was 66.9 MB in the beginning and 71.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.37 ms. Allocated memory is still 88.1 MB. Free memory was 71.9 MB in the beginning and 70.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 798.53 ms. Allocated memory is still 88.1 MB. Free memory was 70.6 MB in the beginning and 57.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1004.71 ms. Allocated memory is still 88.1 MB. Free memory was 57.0 MB in the beginning and 40.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 81.95 ms. Allocated memory is still 88.1 MB. Free memory was 40.1 MB in the beginning and 70.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 5.7 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, 0.2s 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...