./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_union.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/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 0.1.24-6b5699a [2019-11-25 08:57:48,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:48,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:48,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:48,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:48,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:48,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:48,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:48,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:48,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:48,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:48,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:48,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:48,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:48,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:48,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:48,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:48,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:48,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:48,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:48,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:48,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:48,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:48,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:48,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:48,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:48,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:48,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:48,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:48,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:48,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:48,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:48,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:48,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:48,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:48,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:48,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:48,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:48,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:48,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:48,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:48,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:57:48,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:48,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:48,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:48,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:48,288 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:48,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:48,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:48,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:57:48,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:48,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:48,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:57:48,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:57:48,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:57:48,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:48,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:48,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:48,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:57:48,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:48,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:48,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:57:48,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:57:48,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:57:48,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:48,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:57:48,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:57:48,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:57:48,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:57:48,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:57:48,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 [2019-11-25 08:57:48,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:48,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:48,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:48,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:48,472 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:48,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_union.c [2019-11-25 08:57:48,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/data/3baac0587/d28b0cbb9f5743639a4ed8d2f126c2fc/FLAG4f411c068 [2019-11-25 08:57:48,905 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:48,906 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/sv-benchmarks/c/float-benchs/cast_float_union.c [2019-11-25 08:57:48,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/data/3baac0587/d28b0cbb9f5743639a4ed8d2f126c2fc/FLAG4f411c068 [2019-11-25 08:57:49,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/data/3baac0587/d28b0cbb9f5743639a4ed8d2f126c2fc [2019-11-25 08:57:49,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:49,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:49,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:49,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:49,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:49,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4638b7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49, skipping insertion in model container [2019-11-25 08:57:49,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:49,329 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:49,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:49,594 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:49,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:49,644 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:49,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49 WrapperNode [2019-11-25 08:57:49,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:49,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:49,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:49,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:49,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:49,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:49,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:49,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:49,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... [2019-11-25 08:57:49,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:49,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:49,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:49,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:49,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:57:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:57:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:57:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:57:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:57:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:57:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:57:49,950 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:49,950 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:57:49,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:49 BoogieIcfgContainer [2019-11-25 08:57:49,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:49,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:57:49,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:57:49,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:57:49,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:57:49" (1/3) ... [2019-11-25 08:57:49,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38170edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:49, skipping insertion in model container [2019-11-25 08:57:49,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:49" (2/3) ... [2019-11-25 08:57:49,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38170edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:49, skipping insertion in model container [2019-11-25 08:57:49,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:49" (3/3) ... [2019-11-25 08:57:49,958 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2019-11-25 08:57:49,966 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:57:49,972 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-25 08:57:49,982 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-25 08:57:50,001 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:57:50,001 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:57:50,001 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:57:50,001 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:50,001 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:50,002 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:57:50,002 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:50,002 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:57:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-25 08:57:50,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:57:50,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2019-11-25 08:57:50,066 INFO L444 ceAbstractionStarter]: For program point L33(lines 33 43) no Hoare annotation was computed. [2019-11-25 08:57:50,067 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:57:50,067 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:57:50,067 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:57:50,067 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:57:50,067 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-25 08:57:50,068 INFO L447 ceAbstractionStarter]: At program point L54(lines 47 55) the Hoare annotation is: true [2019-11-25 08:57:50,068 INFO L447 ceAbstractionStarter]: At program point L44(lines 21 45) the Hoare annotation is: true [2019-11-25 08:57:50,068 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 43) no Hoare annotation was computed. [2019-11-25 08:57:50,068 INFO L444 ceAbstractionStarter]: For program point L37-2(lines 33 43) no Hoare annotation was computed. [2019-11-25 08:57:50,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:57:50 BoogieIcfgContainer [2019-11-25 08:57:50,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:57:50,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:50,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:50,077 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:50,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:49" (3/4) ... [2019-11-25 08:57:50,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:57:50,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:57:50,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:57:50,092 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:57:50,145 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4504ecd5-1091-4f1a-bc51-42ddee6f5af3/bin/uautomizer/witness.graphml [2019-11-25 08:57:50,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:50,147 INFO L168 Benchmark]: Toolchain (without parser) took 846.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:50,148 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:50,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:50,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:50,149 INFO L168 Benchmark]: Boogie Preprocessor took 19.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:50,150 INFO L168 Benchmark]: RCFGBuilder took 255.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:50,150 INFO L168 Benchmark]: TraceAbstraction took 123.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:50,151 INFO L168 Benchmark]: Witness Printer took 69.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:50,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 255.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 123.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 69.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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. - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 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...