./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/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 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ....................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/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 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ............................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-08 14:48:26,955 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:48:26,956 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:48:26,962 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:48:26,962 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:48:26,962 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:48:26,963 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:48:26,964 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:48:26,965 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:48:26,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:48:26,966 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:48:26,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:48:26,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:48:26,967 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:48:26,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:48:26,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:48:26,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:48:26,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:48:26,970 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:48:26,971 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:48:26,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:48:26,972 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:48:26,973 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:48:26,973 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:48:26,974 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:48:26,974 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:48:26,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:48:26,975 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:48:26,976 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:48:26,976 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:48:26,976 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:48:26,977 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:48:26,977 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:48:26,977 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:48:26,978 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:48:26,978 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:48:26,978 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 14:48:26,985 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:48:26,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:48:26,986 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:48:26,986 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:48:26,986 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 14:48:26,986 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 14:48:26,987 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 14:48:26,987 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 14:48:26,987 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 14:48:26,987 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 14:48:26,987 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 14:48:26,987 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 14:48:26,987 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 14:48:26,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:48:26,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:48:26,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:48:26,988 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:48:26,988 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:48:26,988 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:48:26,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:48:26,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:48:26,989 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:48:26,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:48:26,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:48:26,989 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:48:26,989 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:48:26,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:48:26,989 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:48:26,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:48:26,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:48:26,990 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:48:26,990 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:48:26,990 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 14:48:26,990 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:48:26,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:48:26,990 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 14:48:26,991 INFO L133 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/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-12-08 14:48:27,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:48:27,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:48:27,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:48:27,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:48:27,021 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:48:27,021 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 14:48:27,065 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data/e61854bc9/2078f7eb924e4a5f95986fb647aea7f2/FLAG3358b886c [2018-12-08 14:48:27,373 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:48:27,374 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 14:48:27,378 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data/e61854bc9/2078f7eb924e4a5f95986fb647aea7f2/FLAG3358b886c [2018-12-08 14:48:27,388 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data/e61854bc9/2078f7eb924e4a5f95986fb647aea7f2 [2018-12-08 14:48:27,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:48:27,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:48:27,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:48:27,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:48:27,394 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:48:27,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27, skipping insertion in model container [2018-12-08 14:48:27,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:48:27,412 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:48:27,507 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:48:27,509 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:48:27,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:48:27,533 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:48:27,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27 WrapperNode [2018-12-08 14:48:27,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:48:27,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:48:27,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:48:27,534 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:48:27,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:48:27,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:48:27,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:48:27,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:48:27,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... [2018-12-08 14:48:27,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:48:27,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:48:27,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:48:27,597 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:48:27,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/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 [2018-12-08 14:48:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:48:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:48:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 14:48:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 14:48:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-12-08 14:48:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-12-08 14:48:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:48:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:48:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:48:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:48:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:48:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 14:48:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 14:48:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 14:48:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 14:48:27,742 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:48:27,742 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 14:48:27,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:48:27 BoogieIcfgContainer [2018-12-08 14:48:27,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:48:27,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:48:27,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:48:27,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:48:27,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:48:27" (1/3) ... [2018-12-08 14:48:27,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b89461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:48:27, skipping insertion in model container [2018-12-08 14:48:27,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:27" (2/3) ... [2018-12-08 14:48:27,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b89461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:48:27, skipping insertion in model container [2018-12-08 14:48:27,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:48:27" (3/3) ... [2018-12-08 14:48:27,747 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 14:48:27,753 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:48:27,758 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:48:27,768 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:48:27,786 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:48:27,786 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:48:27,786 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:48:27,786 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:48:27,786 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:48:27,787 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:48:27,787 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:48:27,787 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:48:27,797 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-08 14:48:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 14:48:27,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:48:27,800 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:48:27,801 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:48:27,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:48:27,805 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-12-08 14:48:27,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:48:27,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:48:27,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:48:27,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:48:27,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:48:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:48:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:48:27,902 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 14:48:27,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:48:27 BoogieIcfgContainer [2018-12-08 14:48:27,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:48:27,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:48:27,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:48:27,917 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:48:27,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:48:27" (3/4) ... [2018-12-08 14:48:27,920 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 14:48:27,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:48:27,920 INFO L168 Benchmark]: Toolchain (without parser) took 529.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:27,921 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:48:27,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.28 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 948.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:27,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 942.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:27,922 INFO L168 Benchmark]: Boogie Preprocessor took 47.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:27,923 INFO L168 Benchmark]: RCFGBuilder took 146.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:27,923 INFO L168 Benchmark]: TraceAbstraction took 174.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:27,924 INFO L168 Benchmark]: Witness Printer took 2.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:48:27,925 INFO L336 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 141.28 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 948.1 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 14.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 942.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 146.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 174.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: 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 22, overapproximation of bitwiseXor at line 21. Possible FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) VAL [\old(i)=0] [L17] union u x, y; [L18] x.i[0] = 0x43300000 [L19] EXPR x.i[0] [L19] y.i[0] = x.i[0] [L20] x.i[1] = 0x80000000 [L21] EXPR x.i[1] [L21] y.i[1] = i ^ x.i[1] [L22] EXPR y.d [L22] EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] return y.d - x.d; VAL [\old(i)=0, i=0] [L33] RET, EXPR cast(a) VAL [a=0, cast(a)=1127219208] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-635dfa2 [2018-12-08 14:48:29,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:48:29,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:48:29,360 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:48:29,360 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:48:29,361 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:48:29,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:48:29,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:48:29,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:48:29,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:48:29,364 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:48:29,364 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:48:29,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:48:29,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:48:29,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:48:29,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:48:29,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:48:29,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:48:29,368 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:48:29,369 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:48:29,369 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:48:29,370 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:48:29,371 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:48:29,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:48:29,371 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:48:29,372 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:48:29,372 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:48:29,373 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:48:29,373 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:48:29,374 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:48:29,374 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:48:29,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:48:29,374 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:48:29,374 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:48:29,375 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:48:29,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:48:29,375 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 14:48:29,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:48:29,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:48:29,383 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:48:29,383 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:48:29,383 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 14:48:29,383 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 14:48:29,384 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 14:48:29,384 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 14:48:29,384 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 14:48:29,384 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 14:48:29,384 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:48:29,384 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:48:29,384 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:48:29,384 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:48:29,385 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:48:29,385 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:48:29,386 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 14:48:29,386 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-12-08 14:48:29,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:48:29,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:48:29,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:48:29,418 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:48:29,419 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:48:29,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 14:48:29,462 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data/037a357a2/fb63021cd66c48898777b514a1eff2e8/FLAGd4a67eebe [2018-12-08 14:48:29,852 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:48:29,852 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 14:48:29,856 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data/037a357a2/fb63021cd66c48898777b514a1eff2e8/FLAGd4a67eebe [2018-12-08 14:48:29,867 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/data/037a357a2/fb63021cd66c48898777b514a1eff2e8 [2018-12-08 14:48:29,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:48:29,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:48:29,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:48:29,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:48:29,873 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:48:29,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:48:29" (1/1) ... [2018-12-08 14:48:29,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:29, skipping insertion in model container [2018-12-08 14:48:29,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:48:29" (1/1) ... [2018-12-08 14:48:29,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:48:29,894 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:48:29,991 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:48:29,994 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:48:30,008 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:48:30,023 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:48:30,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30 WrapperNode [2018-12-08 14:48:30,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:48:30,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:48:30,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:48:30,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:48:30,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:48:30,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:48:30,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:48:30,040 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:48:30,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... [2018-12-08 14:48:30,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:48:30,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:48:30,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:48:30,057 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:48:30,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/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 [2018-12-08 14:48:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 14:48:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:48:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:48:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-12-08 14:48:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-12-08 14:48:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:48:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:48:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:48:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 14:48:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:48:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:48:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 14:48:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 14:48:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 14:48:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 14:48:30,442 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:48:30,442 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 14:48:30,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:48:30 BoogieIcfgContainer [2018-12-08 14:48:30,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:48:30,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:48:30,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:48:30,445 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:48:30,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:48:29" (1/3) ... [2018-12-08 14:48:30,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310f0ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:48:30, skipping insertion in model container [2018-12-08 14:48:30,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:30" (2/3) ... [2018-12-08 14:48:30,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310f0ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:48:30, skipping insertion in model container [2018-12-08 14:48:30,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:48:30" (3/3) ... [2018-12-08 14:48:30,448 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_loose_false-unreach-call_true-termination.c [2018-12-08 14:48:30,455 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:48:30,460 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:48:30,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:48:30,485 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 14:48:30,485 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:48:30,485 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:48:30,485 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:48:30,486 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:48:30,486 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:48:30,486 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:48:30,486 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:48:30,486 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:48:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-08 14:48:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 14:48:30,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:48:30,498 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:48:30,499 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:48:30,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:48:30,502 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-12-08 14:48:30,505 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 14:48:30,505 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/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 [2018-12-08 14:48:30,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:48:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:48:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:48:30,802 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 14:48:30,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:48:30 BoogieIcfgContainer [2018-12-08 14:48:30,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:48:30,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:48:30,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:48:30,819 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:48:30,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:48:30" (3/4) ... [2018-12-08 14:48:30,820 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 14:48:30,844 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0a623a5b-ddfb-48bb-b42b-f00d828de31f/bin-2019/utaipan/witness.graphml [2018-12-08 14:48:30,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:48:30,844 INFO L168 Benchmark]: Toolchain (without parser) took 975.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:30,845 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:48:30,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.57 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:30,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.14 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:30,846 INFO L168 Benchmark]: Boogie Preprocessor took 17.41 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:48:30,846 INFO L168 Benchmark]: RCFGBuilder took 385.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:30,847 INFO L168 Benchmark]: TraceAbstraction took 375.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:30,847 INFO L168 Benchmark]: Witness Printer took 25.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:48:30,848 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.57 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 15.14 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.41 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 385.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 375.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Witness Printer took 25.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) VAL [\old(i)=4294959104] [L17] union u x, y; [L18] x.i[0] = 0x43300000 [L19] EXPR x.i[0] [L19] y.i[0] = x.i[0] [L20] x.i[1] = 0x80000000 [L21] EXPR x.i[1] [L21] y.i[1] = i ^ x.i[1] [L22] EXPR y.d [L22] EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] return y.d - x.d; VAL [\old(i)=4294959104, \result=NaN, i=4294959104] [L33] RET, EXPR cast(a) VAL [a=4294959104, cast(a)=NaN] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...