./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c0005e6146056cc1de3f3f086fde77a54c02f63 ..................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c0005e6146056cc1de3f3f086fde77a54c02f63 ..................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 20:29:40,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:29:40,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:29:40,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:29:40,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:29:40,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:29:40,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:29:40,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:29:40,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:29:40,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:29:40,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:29:40,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:29:40,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:29:40,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:29:40,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:29:40,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:29:40,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:29:40,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:29:40,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:29:40,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:29:40,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:29:40,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:29:40,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:29:40,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:29:40,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:29:40,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:29:40,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:29:40,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:29:40,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:29:40,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:29:40,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:29:40,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:29:40,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:29:40,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:29:40,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:29:40,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:29:40,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:29:40,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:29:40,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:29:40,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:29:40,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:29:40,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:29:40,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:29:40,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:29:40,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:29:40,899 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:29:40,899 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:29:40,899 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:29:40,899 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:29:40,899 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:29:40,899 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:29:40,900 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:29:40,900 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:29:40,900 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:29:40,900 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:29:40,900 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:29:40,900 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:29:40,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:29:40,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:29:40,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:29:40,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:29:40,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:29:40,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:29:40,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:29:40,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:29:40,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:29:40,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:29:40,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:29:40,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:29:40,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:29:40,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:29:40,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:29:40,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:29:40,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:29:40,903 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2019-12-07 20:29:41,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:29:41,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:29:41,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:29:41,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:29:41,012 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:29:41,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-12-07 20:29:41,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data/c70ab5c2a/07a7732f3f4e46eab6f6837203954f1c/FLAG8a0fa9f44 [2019-12-07 20:29:41,475 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:29:41,476 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-12-07 20:29:41,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data/c70ab5c2a/07a7732f3f4e46eab6f6837203954f1c/FLAG8a0fa9f44 [2019-12-07 20:29:41,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data/c70ab5c2a/07a7732f3f4e46eab6f6837203954f1c [2019-12-07 20:29:41,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:29:41,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:29:41,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:29:41,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:29:41,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:29:41,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5feb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41, skipping insertion in model container [2019-12-07 20:29:41,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:29:41,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:29:41,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:29:41,655 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:29:41,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:29:41,683 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:29:41,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41 WrapperNode [2019-12-07 20:29:41,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:29:41,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:29:41,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:29:41,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:29:41,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:29:41,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:29:41,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:29:41,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:29:41,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... [2019-12-07 20:29:41,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:29:41,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:29:41,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:29:41,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:29:41,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:29:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:29:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:29:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:29:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:29:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:29:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:29:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:29:41,942 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:29:41,943 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 20:29:41,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:29:41 BoogieIcfgContainer [2019-12-07 20:29:41,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:29:41,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:29:41,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:29:41,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:29:41,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:29:41" (1/3) ... [2019-12-07 20:29:41,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a9249ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:29:41, skipping insertion in model container [2019-12-07 20:29:41,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:41" (2/3) ... [2019-12-07 20:29:41,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a9249ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:29:41, skipping insertion in model container [2019-12-07 20:29:41,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:29:41" (3/3) ... [2019-12-07 20:29:41,950 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2019-12-07 20:29:41,956 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:29:41,961 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:29:41,968 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:29:41,984 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:29:41,984 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:29:41,984 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:29:41,984 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:29:41,984 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:29:41,984 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:29:41,985 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:29:41,985 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:29:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-12-07 20:29:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 20:29:41,996 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:29:41,996 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 20:29:41,997 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:29:42,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:29:42,001 INFO L82 PathProgramCache]: Analyzing trace with hash 49237, now seen corresponding path program 1 times [2019-12-07 20:29:42,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:29:42,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313742899] [2019-12-07 20:29:42,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:29:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:29:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:29:42,116 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:29:42,117 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:29:42,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:29:42 BoogieIcfgContainer [2019-12-07 20:29:42,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:29:42,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:29:42,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:29:42,131 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:29:42,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:29:41" (3/4) ... [2019-12-07 20:29:42,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:29:42,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:29:42,136 INFO L168 Benchmark]: Toolchain (without parser) took 644.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 946.2 MB in the beginning and 1.0 GB in the end (delta: -101.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:29:42,136 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:29:42,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:42,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:29:42,138 INFO L168 Benchmark]: Boogie Preprocessor took 15.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:42,139 INFO L168 Benchmark]: RCFGBuilder took 219.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:42,139 INFO L168 Benchmark]: TraceAbstraction took 186.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:42,140 INFO L168 Benchmark]: Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:29:42,143 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 186.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 21, overapproximation of someBinaryDOUBLEComparisonOperation at line 32, overapproximation of bitwiseXor at line 20. Possible FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L16] union u x, y; [L17] x.i[0] = 0x43300000 [L18] EXPR x.i[0] [L18] y.i[0] = x.i[0] [L19] x.i[1] = 0x80000000 [L20] EXPR x.i[1] [L20] y.i[1] = i ^ x.i[1] [L21] EXPR y.d [L21] EXPR x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] return y.d - x.d; [L31] r = cast(a) [L7] COND TRUE !(cond) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 3 NumberOfCodeBlocks, 3 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, 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 0.1.25-f470102 [2019-12-07 20:29:43,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:29:43,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:29:43,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:29:43,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:29:43,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:29:43,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:29:43,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:29:43,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:29:43,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:29:43,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:29:43,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:29:43,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:29:43,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:29:43,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:29:43,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:29:43,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:29:43,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:29:43,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:29:43,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:29:43,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:29:43,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:29:43,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:29:43,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:29:43,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:29:43,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:29:43,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:29:43,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:29:43,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:29:43,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:29:43,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:29:43,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:29:43,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:29:43,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:29:43,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:29:43,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:29:43,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:29:43,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:29:43,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:29:43,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:29:43,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:29:43,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:29:43,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:29:43,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:29:43,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:29:43,541 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:29:43,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:29:43,541 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:29:43,541 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:29:43,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:29:43,541 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:29:43,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:29:43,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:29:43,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:29:43,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:29:43,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:29:43,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:29:43,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:29:43,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:29:43,543 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:29:43,543 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:29:43,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:29:43,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:29:43,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:29:43,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:29:43,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:29:43,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:29:43,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:29:43,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:29:43,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:29:43,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:29:43,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:29:43,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:29:43,545 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:29:43,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:29:43,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:29:43,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:29:43,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:29:43,545 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2019-12-07 20:29:43,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:29:43,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:29:43,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:29:43,719 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:29:43,719 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:29:43,720 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-12-07 20:29:43,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data/72cc120e6/0a6ffb48795841d8bfa99f20cfb605a4/FLAGaef311640 [2019-12-07 20:29:44,155 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:29:44,155 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/sv-benchmarks/c/float-benchs/cast_union_tight.c [2019-12-07 20:29:44,159 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data/72cc120e6/0a6ffb48795841d8bfa99f20cfb605a4/FLAGaef311640 [2019-12-07 20:29:44,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/data/72cc120e6/0a6ffb48795841d8bfa99f20cfb605a4 [2019-12-07 20:29:44,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:29:44,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:29:44,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:29:44,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:29:44,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:29:44,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197b78eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44, skipping insertion in model container [2019-12-07 20:29:44,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:29:44,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:29:44,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:29:44,697 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:29:44,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:29:44,729 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:29:44,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44 WrapperNode [2019-12-07 20:29:44,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:29:44,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:29:44,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:29:44,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:29:44,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:29:44,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:29:44,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:29:44,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:29:44,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... [2019-12-07 20:29:44,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:29:44,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:29:44,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:29:44,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:29:44,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:29:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 20:29:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:29:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:29:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:29:44,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:29:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:29:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:29:45,160 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:29:45,160 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 20:29:45,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:29:45 BoogieIcfgContainer [2019-12-07 20:29:45,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:29:45,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:29:45,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:29:45,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:29:45,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:29:44" (1/3) ... [2019-12-07 20:29:45,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1974b826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:29:45, skipping insertion in model container [2019-12-07 20:29:45,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:29:44" (2/3) ... [2019-12-07 20:29:45,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1974b826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:29:45, skipping insertion in model container [2019-12-07 20:29:45,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:29:45" (3/3) ... [2019-12-07 20:29:45,166 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2019-12-07 20:29:45,172 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:29:45,176 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:29:45,183 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:29:45,196 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:29:45,197 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:29:45,197 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:29:45,197 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:29:45,197 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:29:45,197 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:29:45,197 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:29:45,197 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:29:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-12-07 20:29:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 20:29:45,209 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:29:45,210 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 20:29:45,210 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:29:45,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:29:45,213 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2019-12-07 20:29:45,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:29:45,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422172980] [2019-12-07 20:29:45,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:29:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:29:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:29:45,513 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:29:45,514 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:29:45,715 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:29:45,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:29:45 BoogieIcfgContainer [2019-12-07 20:29:45,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:29:45,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:29:45,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:29:45,762 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:29:45,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:29:45" (3/4) ... [2019-12-07 20:29:45,765 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 20:29:45,793 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_89ee090c-b97c-4834-b6ee-e12f0cbd9841/bin/utaipan/witness.graphml [2019-12-07 20:29:45,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:29:45,795 INFO L168 Benchmark]: Toolchain (without parser) took 1233.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -90.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:45,795 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:29:45,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:45,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:45,796 INFO L168 Benchmark]: Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:29:45,797 INFO L168 Benchmark]: RCFGBuilder took 358.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:45,797 INFO L168 Benchmark]: TraceAbstraction took 599.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:29:45,797 INFO L168 Benchmark]: Witness Printer took 32.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:29:45,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 358.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 599.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Witness Printer took 32.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L16] union u x, y; [L17] x.i[0] = 0x43300000 [L18] EXPR x.i[0] [L18] y.i[0] = x.i[0] [L19] x.i[1] = 0x80000000 [L20] EXPR x.i[1] [L20] y.i[1] = i ^ x.i[1] [L21] EXPR y.d [L21] EXPR x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] return y.d - x.d; [L31] r = cast(a) [L7] COND TRUE !(cond) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...