./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ............................................................................................................................................................................................................................................................................. 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_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/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 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 0.1.23-5842f4b [2018-11-18 14:32:30,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:32:30,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:32:30,153 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:32:30,153 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:32:30,154 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:32:30,155 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:32:30,156 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:32:30,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:32:30,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:32:30,158 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:32:30,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:32:30,159 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:32:30,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:32:30,161 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:32:30,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:32:30,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:32:30,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:32:30,164 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:32:30,166 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:32:30,166 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:32:30,167 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:32:30,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:32:30,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:32:30,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:32:30,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:32:30,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:32:30,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:32:30,172 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:32:30,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:32:30,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:32:30,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:32:30,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:32:30,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:32:30,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:32:30,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:32:30,175 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:32:30,184 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:32:30,184 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:32:30,185 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:32:30,185 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:32:30,185 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:32:30,186 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:32:30,186 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:32:30,186 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:32:30,186 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:32:30,186 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:32:30,186 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:32:30,186 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:32:30,186 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:32:30,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:32:30,187 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:32:30,187 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:32:30,187 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:32:30,187 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:32:30,188 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:32:30,188 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:32:30,188 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:32:30,188 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:32:30,188 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:32:30,188 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:32:30,188 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:32:30,189 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:32:30,189 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:32:30,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:32:30,189 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:32:30,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:32:30,189 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:32:30,189 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:32:30,189 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:32:30,190 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:32:30,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:32:30,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:32:30,190 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:32:30,190 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_4df34ece-9be7-400d-aea2-34191958fd7a/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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2018-11-18 14:32:30,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:32:30,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:32:30,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:32:30,233 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:32:30,233 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:32:30,234 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 14:32:30,275 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data/b18f6f78f/970564f73fd04caaa673a4de3a5852b6/FLAGc412cd417 [2018-11-18 14:32:30,596 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:32:30,596 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 14:32:30,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data/b18f6f78f/970564f73fd04caaa673a4de3a5852b6/FLAGc412cd417 [2018-11-18 14:32:30,610 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data/b18f6f78f/970564f73fd04caaa673a4de3a5852b6 [2018-11-18 14:32:30,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:32:30,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:32:30,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:30,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:32:30,615 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:32:30,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e791d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30, skipping insertion in model container [2018-11-18 14:32:30,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:32:30,637 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:32:30,750 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:30,753 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:32:30,766 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:30,778 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:32:30,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30 WrapperNode [2018-11-18 14:32:30,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:30,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:30,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:32:30,779 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:32:30,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:30,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:32:30,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:32:30,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:32:30,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... [2018-11-18 14:32:30,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:32:30,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:32:30,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:32:30,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:32:30,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/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 [2018-11-18 14:32:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:32:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:32:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 14:32:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 14:32:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-18 14:32:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-18 14:32:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:32:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:32:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:32:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:32:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:32:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 14:32:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 14:32:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 14:32:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:32:31,001 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:32:31,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:31 BoogieIcfgContainer [2018-11-18 14:32:31,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:32:31,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:32:31,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:32:31,004 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:32:31,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:32:30" (1/3) ... [2018-11-18 14:32:31,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617f4f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:32:31, skipping insertion in model container [2018-11-18 14:32:31,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:30" (2/3) ... [2018-11-18 14:32:31,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617f4f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:32:31, skipping insertion in model container [2018-11-18 14:32:31,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:31" (3/3) ... [2018-11-18 14:32:31,006 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 14:32:31,015 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:32:31,020 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:32:31,030 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:32:31,048 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:32:31,048 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:32:31,048 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:32:31,048 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:32:31,048 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:32:31,049 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:32:31,049 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:32:31,049 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:32:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-18 14:32:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 14:32:31,064 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:32:31,065 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:32:31,066 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:32:31,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:32:31,070 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-11-18 14:32:31,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:32:31,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:32:31,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:32:31,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:32:31,100 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:32:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:32:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:32:31,164 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 14:32:31,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:32:31 BoogieIcfgContainer [2018-11-18 14:32:31,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:32:31,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:32:31,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:32:31,181 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:32:31,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:31" (3/4) ... [2018-11-18 14:32:31,184 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:32:31,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:32:31,185 INFO L168 Benchmark]: Toolchain (without parser) took 572.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:32:31,186 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:32:31,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.72 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:31,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.11 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:31,187 INFO L168 Benchmark]: Boogie Preprocessor took 51.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:31,188 INFO L168 Benchmark]: RCFGBuilder took 155.47 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:31,188 INFO L168 Benchmark]: TraceAbstraction took 178.83 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:31,189 INFO L168 Benchmark]: Witness Printer took 3.12 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. [2018-11-18 14:32:31,192 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.72 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 15.11 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 155.47 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 178.83 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 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: 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 bitwiseXor at line 20. Possible FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) VAL [\old(i)=0] [L16] FCALL union u x, y; [L17] FCALL x.i[0] = 0x43300000 [L18] EXPR, FCALL x.i[0] [L18] FCALL y.i[0] = x.i[0] [L19] FCALL x.i[1] = 0x80000000 [L20] EXPR, FCALL x.i[1] [L20] FCALL y.i[1] = i ^ x.i[1] [L21] EXPR, FCALL y.d [L21] EXPR, FCALL x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] RET return y.d - x.d; VAL [\old(i)=0, i=0] [L31] EXPR cast(a) VAL [a=0, cast(a)=1127219205] [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] __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 0.1.23-5842f4b [2018-11-18 14:32:32,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:32:32,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:32:32,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:32:32,678 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:32:32,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:32:32,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:32:32,680 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:32:32,682 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:32:32,682 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:32:32,683 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:32:32,683 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:32:32,684 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:32:32,685 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:32:32,685 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:32:32,686 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:32:32,687 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:32:32,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:32:32,690 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:32:32,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:32:32,692 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:32:32,693 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:32:32,694 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:32:32,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:32:32,695 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:32:32,695 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:32:32,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:32:32,697 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:32:32,697 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:32:32,698 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:32:32,698 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:32:32,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:32:32,699 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:32:32,699 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:32:32,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:32:32,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:32:32,701 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 14:32:32,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:32:32,712 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:32:32,712 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:32:32,713 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:32:32,713 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:32:32,713 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:32:32,713 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:32:32,713 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:32:32,713 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:32:32,714 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:32:32,714 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:32:32,714 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:32:32,714 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:32:32,715 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:32:32,715 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:32:32,715 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:32:32,715 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:32:32,715 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 14:32:32,715 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 14:32:32,715 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:32:32,716 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:32:32,716 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:32:32,716 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:32:32,716 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:32:32,716 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:32:32,716 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:32:32,716 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:32:32,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:32:32,717 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:32:32,717 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:32:32,717 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:32:32,717 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 14:32:32,717 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:32:32,718 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 14:32:32,718 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 14:32:32,718 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_4df34ece-9be7-400d-aea2-34191958fd7a/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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2018-11-18 14:32:32,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:32:32,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:32:32,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:32:32,764 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:32:32,764 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:32:32,765 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 14:32:32,812 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data/3efdf54de/8e2ad8f9b076455c9d141d5206094cc9/FLAG6a7903416 [2018-11-18 14:32:33,211 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:32:33,212 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 14:32:33,215 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data/3efdf54de/8e2ad8f9b076455c9d141d5206094cc9/FLAG6a7903416 [2018-11-18 14:32:33,224 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/data/3efdf54de/8e2ad8f9b076455c9d141d5206094cc9 [2018-11-18 14:32:33,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:32:33,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:32:33,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:33,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:32:33,230 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:32:33,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5aaada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33, skipping insertion in model container [2018-11-18 14:32:33,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:32:33,251 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:32:33,369 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:33,372 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:32:33,388 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:33,406 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:32:33,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33 WrapperNode [2018-11-18 14:32:33,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:33,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:33,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:32:33,407 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:32:33,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:33,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:32:33,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:32:33,426 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:32:33,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... [2018-11-18 14:32:33,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:32:33,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:32:33,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:32:33,447 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:32:33,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/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 [2018-11-18 14:32:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 14:32:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:32:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:32:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-18 14:32:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-18 14:32:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:32:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:32:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:32:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 14:32:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:32:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:32:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 14:32:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 14:32:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:32:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 14:32:33,817 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:32:33,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:33 BoogieIcfgContainer [2018-11-18 14:32:33,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:32:33,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:32:33,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:32:33,820 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:32:33,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:32:33" (1/3) ... [2018-11-18 14:32:33,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3454b597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:32:33, skipping insertion in model container [2018-11-18 14:32:33,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:33" (2/3) ... [2018-11-18 14:32:33,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3454b597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:32:33, skipping insertion in model container [2018-11-18 14:32:33,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:33" (3/3) ... [2018-11-18 14:32:33,823 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 14:32:33,831 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:32:33,837 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:32:33,848 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:32:33,866 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:32:33,867 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:32:33,867 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:32:33,867 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:32:33,867 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:32:33,867 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:32:33,867 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:32:33,867 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:32:33,868 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:32:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-18 14:32:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 14:32:33,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:32:33,881 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:32:33,883 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:32:33,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:32:33,886 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-11-18 14:32:33,889 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 14:32:33,889 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/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 [2018-11-18 14:32:33,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:32:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:32:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:32:34,180 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 14:32:34,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:32:34 BoogieIcfgContainer [2018-11-18 14:32:34,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:32:34,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:32:34,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:32:34,201 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:32:34,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:33" (3/4) ... [2018-11-18 14:32:34,203 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 14:32:34,234 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4df34ece-9be7-400d-aea2-34191958fd7a/bin-2019/utaipan/witness.graphml [2018-11-18 14:32:34,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:32:34,235 INFO L168 Benchmark]: Toolchain (without parser) took 1008.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:34,236 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 14:32:34,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.22 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:34,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.32 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:32:34,237 INFO L168 Benchmark]: Boogie Preprocessor took 21.24 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:32:34,237 INFO L168 Benchmark]: RCFGBuilder took 370.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:34,238 INFO L168 Benchmark]: TraceAbstraction took 382.44 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:34,239 INFO L168 Benchmark]: Witness Printer took 33.54 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:34,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 179.22 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.32 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.24 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 370.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 382.44 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 33.54 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: 6.9 MB). Peak memory consumption was 6.9 MB. 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() [L31] CALL, EXPR cast(a) VAL [\old(i)=283652] [L16] FCALL union u x, y; [L17] FCALL x.i[0] = 0x43300000 [L18] EXPR, FCALL x.i[0] [L18] FCALL y.i[0] = x.i[0] [L19] FCALL x.i[1] = 0x80000000 [L20] EXPR, FCALL x.i[1] [L20] FCALL y.i[1] = i ^ x.i[1] [L21] EXPR, FCALL y.d [L21] EXPR, FCALL x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] RET return y.d - x.d; VAL [\old(i)=283652, \result=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006019083500988814, i=283652] [L31] EXPR cast(a) VAL [a=283652, cast(a)=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006019083500988814] [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] __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...