./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_union_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d8a7d8fb8a6f3d9cad882f110dad1cedcf67f0c ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:50:18,212 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:50:18,213 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:50:18,221 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:50:18,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:50:18,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:50:18,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:50:18,224 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:50:18,225 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:50:18,226 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:50:18,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:50:18,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:50:18,227 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:50:18,228 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:50:18,228 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:50:18,229 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:50:18,229 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:50:18,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:50:18,232 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:50:18,233 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:50:18,233 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:50:18,234 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:50:18,236 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:50:18,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:50:18,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:50:18,237 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:50:18,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:50:18,238 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:50:18,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:50:18,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:50:18,239 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:50:18,239 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:50:18,240 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:50:18,240 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:50:18,240 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:50:18,241 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:50:18,241 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 21:50:18,250 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:50:18,251 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:50:18,251 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:50:18,251 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:50:18,252 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:50:18,252 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:50:18,252 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 21:50:18,252 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:50:18,252 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:50:18,252 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:50:18,253 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:50:18,253 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:50:18,253 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:50:18,253 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:50:18,253 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:50:18,253 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:50:18,253 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:50:18,253 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:50:18,254 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:50:18,254 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:50:18,254 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:50:18,254 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:50:18,254 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:50:18,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:50:18,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:50:18,255 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:50:18,255 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:50:18,255 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 21:50:18,255 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:50:18,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:50:18,255 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_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d8a7d8fb8a6f3d9cad882f110dad1cedcf67f0c [2018-11-22 21:50:18,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:50:18,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:50:18,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:50:18,292 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:50:18,292 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:50:18,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_union_true-unreach-call.c [2018-11-22 21:50:18,330 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/data/01aa798f4/0be8e07da68245cfaaa5f14b9d6da515/FLAGafc605e45 [2018-11-22 21:50:18,731 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:50:18,732 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/sv-benchmarks/c/float-benchs/cast_float_union_true-unreach-call.c [2018-11-22 21:50:18,736 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/data/01aa798f4/0be8e07da68245cfaaa5f14b9d6da515/FLAGafc605e45 [2018-11-22 21:50:18,745 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/data/01aa798f4/0be8e07da68245cfaaa5f14b9d6da515 [2018-11-22 21:50:18,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:50:18,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:50:18,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:50:18,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:50:18,751 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:50:18,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3436f9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18, skipping insertion in model container [2018-11-22 21:50:18,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:50:18,773 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:50:18,890 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:50:18,892 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:50:18,907 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:50:18,920 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:50:18,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18 WrapperNode [2018-11-22 21:50:18,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:50:18,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:50:18,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:50:18,921 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:50:18,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:50:18,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:50:18,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:50:18,937 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:50:18,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... [2018-11-22 21:50:18,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:50:18,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:50:18,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:50:18,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:50:18,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:50:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 21:50:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 21:50:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-22 21:50:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 21:50:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-22 21:50:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-22 21:50:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 21:50:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 21:50:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-22 21:50:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:50:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:50:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:50:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 21:50:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 21:50:19,137 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:50:19,138 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-22 21:50:19,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:50:19 BoogieIcfgContainer [2018-11-22 21:50:19,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:50:19,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:50:19,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:50:19,140 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:50:19,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:50:18" (1/3) ... [2018-11-22 21:50:19,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c5568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:50:19, skipping insertion in model container [2018-11-22 21:50:19,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:50:18" (2/3) ... [2018-11-22 21:50:19,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c5568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:50:19, skipping insertion in model container [2018-11-22 21:50:19,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:50:19" (3/3) ... [2018-11-22 21:50:19,143 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_union_true-unreach-call.c [2018-11-22 21:50:19,151 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:50:19,158 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-22 21:50:19,171 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-22 21:50:19,194 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 21:50:19,194 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:50:19,194 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:50:19,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:50:19,195 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:50:19,195 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:50:19,195 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:50:19,195 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:50:19,195 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:50:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-22 21:50:19,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:50:19,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2018-11-22 21:50:19,249 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 43) no Hoare annotation was computed. [2018-11-22 21:50:19,249 INFO L448 ceAbstractionStarter]: For program point castEXIT(lines 21 45) no Hoare annotation was computed. [2018-11-22 21:50:19,249 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-22 21:50:19,249 INFO L448 ceAbstractionStarter]: For program point castFINAL(lines 21 45) no Hoare annotation was computed. [2018-11-22 21:50:19,250 INFO L451 ceAbstractionStarter]: At program point castENTRY(lines 21 45) the Hoare annotation is: true [2018-11-22 21:50:19,250 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 43) no Hoare annotation was computed. [2018-11-22 21:50:19,250 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 33 43) no Hoare annotation was computed. [2018-11-22 21:50:19,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:50:19,250 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 21:50:19,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:50:19,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:50:19,250 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 21:50:19,250 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 21:50:19,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:50:19,250 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 47 55) the Hoare annotation is: true [2018-11-22 21:50:19,251 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 47 55) no Hoare annotation was computed. [2018-11-22 21:50:19,251 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 47 55) no Hoare annotation was computed. [2018-11-22 21:50:19,251 INFO L451 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: true [2018-11-22 21:50:19,251 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-22 21:50:19,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:50:19 BoogieIcfgContainer [2018-11-22 21:50:19,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 21:50:19,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:50:19,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:50:19,255 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:50:19,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:50:19" (3/4) ... [2018-11-22 21:50:19,258 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:50:19,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cast [2018-11-22 21:50:19,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 21:50:19,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 21:50:19,265 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-22 21:50:19,265 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 21:50:19,265 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 21:50:19,296 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a36dcb81-f7a6-4b9d-ada6-375d8c0f006c/bin-2019/uautomizer/witness.graphml [2018-11-22 21:50:19,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:50:19,297 INFO L168 Benchmark]: Toolchain (without parser) took 549.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:50:19,299 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-22 21:50:19,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.78 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:19,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:50:19,299 INFO L168 Benchmark]: Boogie Preprocessor took 51.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:19,299 INFO L168 Benchmark]: RCFGBuilder took 149.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:19,300 INFO L168 Benchmark]: TraceAbstraction took 116.22 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:19,300 INFO L168 Benchmark]: Witness Printer took 41.99 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:19,302 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.78 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 149.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 116.22 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Witness Printer took 41.99 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...