/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-benchs/cast_float_union.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:06:16,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:06:16,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:06:16,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:06:16,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:06:16,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:06:16,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:06:16,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:06:16,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:06:16,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:06:16,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:06:16,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:06:16,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:06:16,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:06:16,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:06:16,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:06:16,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:06:16,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:06:16,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:06:16,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:06:16,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:06:16,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:06:16,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:06:16,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:06:16,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 06:06:16,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 06:06:16,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 06:06:16,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 06:06:16,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 06:06:16,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 06:06:16,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:06:16,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:06:16,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:06:16,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:06:16,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:06:16,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:06:16,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:06:16,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:06:16,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:06:16,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:06:16,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:06:16,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 06:06:16,570 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:06:16,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:06:16,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:06:16,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:06:16,574 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:06:16,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:06:16,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:06:16,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:06:16,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:06:16,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:06:16,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:06:16,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:06:16,578 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:06:16,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:06:16,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:06:16,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:06:16,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:06:16,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:06:16,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:06:16,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:06:16,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:06:16,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:06:16,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:06:16,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:06:16,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:06:16,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:06:16,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:06:17,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:06:17,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:06:17,010 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:06:17,011 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:06:17,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_union.c [2020-12-23 06:06:17,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e73b94499/80cdebd9a5f749cf82101c8b3f0d52d4/FLAGa68b4d30f [2020-12-23 06:06:17,817 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:06:17,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c [2020-12-23 06:06:17,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e73b94499/80cdebd9a5f749cf82101c8b3f0d52d4/FLAGa68b4d30f [2020-12-23 06:06:18,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e73b94499/80cdebd9a5f749cf82101c8b3f0d52d4 [2020-12-23 06:06:18,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:06:18,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:06:18,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:06:18,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:06:18,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:06:18,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c5b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18, skipping insertion in model container [2020-12-23 06:06:18,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:06:18,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 06:06:18,382 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~dbl~0,],d] left hand side expression in assignment: lhs: ArrayLHS[StructLHS[VariableLHS[~dbl~0,],i],[IntegerLiteral[0]]] left hand side expression in assignment: lhs: ArrayLHS[StructLHS[VariableLHS[~dbl~0,],i],[IntegerLiteral[1]]] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~fl~0,],i] left hand side expression in assignment: lhs: VariableLHS[~f~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~fl~0,],i] left hand side expression in assignment: lhs: VariableLHS[~f~0,] left hand side expression in assignment: lhs: VariableLHS[~f~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] [2020-12-23 06:06:18,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:06:18,417 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 06:06:18,433 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#dbl~0,],base],StructAccessExpression[IdentifierExpression[~#dbl~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#dbl~0,],base],StructAccessExpression[IdentifierExpression[~#dbl~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#dbl~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#dbl~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#fl~0,],base],StructAccessExpression[IdentifierExpression[~#fl~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~f~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#fl~0,],base],StructAccessExpression[IdentifierExpression[~#fl~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~f~0,] left hand side expression in assignment: lhs: VariableLHS[~f~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] [2020-12-23 06:06:18,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:06:18,465 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:06:18,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18 WrapperNode [2020-12-23 06:06:18,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:06:18,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:06:18,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:06:18,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:06:18,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:06:18,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:06:18,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:06:18,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:06:18,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... [2020-12-23 06:06:18,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:06:18,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:06:18,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:06:18,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:06:18,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/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 [2020-12-23 06:06:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:06:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:06:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-23 06:06:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 06:06:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-23 06:06:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:06:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:06:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 06:06:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 06:06:18,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:06:18,985 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-23 06:06:18,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:06:18 BoogieIcfgContainer [2020-12-23 06:06:18,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:06:19,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:06:19,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:06:19,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:06:19,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:06:18" (1/3) ... [2020-12-23 06:06:19,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3407644a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:06:19, skipping insertion in model container [2020-12-23 06:06:19,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:18" (2/3) ... [2020-12-23 06:06:19,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3407644a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:06:19, skipping insertion in model container [2020-12-23 06:06:19,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:06:18" (3/3) ... [2020-12-23 06:06:19,054 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-12-23 06:06:19,072 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:06:19,101 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-12-23 06:06:19,128 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-12-23 06:06:19,162 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:06:19,162 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:06:19,162 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:06:19,163 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:06:19,163 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:06:19,163 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:06:19,164 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:06:19,164 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:06:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-23 06:06:19,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 06:06:19,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-12-23 06:06:19,255 INFO L189 CegarLoopUtils]: For program point L33(line 33) no Hoare annotation was computed. [2020-12-23 06:06:19,256 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 06:06:19,256 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 06:06:19,256 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 06:06:19,256 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 06:06:19,257 INFO L192 CegarLoopUtils]: At program point L59(lines 52 60) the Hoare annotation is: true [2020-12-23 06:06:19,258 INFO L192 CegarLoopUtils]: At program point L49(lines 26 50) the Hoare annotation is: true [2020-12-23 06:06:19,258 INFO L189 CegarLoopUtils]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-12-23 06:06:19,258 INFO L189 CegarLoopUtils]: For program point L42-2(lines 38 48) no Hoare annotation was computed. [2020-12-23 06:06:19,258 INFO L189 CegarLoopUtils]: For program point L38(lines 38 48) no Hoare annotation was computed. [2020-12-23 06:06:19,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:06:19 BoogieIcfgContainer [2020-12-23 06:06:19,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:06:19,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:06:19,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:06:19,273 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:06:19,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:06:18" (3/4) ... [2020-12-23 06:06:19,278 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 06:06:19,297 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-23 06:06:19,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 06:06:19,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 06:06:19,299 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 06:06:19,383 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/float-benchs/cast_float_union.c-witness.graphml [2020-12-23 06:06:19,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:06:19,386 INFO L168 Benchmark]: Toolchain (without parser) took 1207.28 ms. Allocated memory is still 153.1 MB. Free memory was 128.0 MB in the beginning and 124.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:19,387 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 153.1 MB. Free memory is still 128.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:06:19,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.19 ms. Allocated memory is still 153.1 MB. Free memory was 127.8 MB in the beginning and 117.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:19,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.49 ms. Allocated memory is still 153.1 MB. Free memory was 117.7 MB in the beginning and 116.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:19,389 INFO L168 Benchmark]: Boogie Preprocessor took 27.55 ms. Allocated memory is still 153.1 MB. Free memory was 115.9 MB in the beginning and 114.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:19,389 INFO L168 Benchmark]: RCFGBuilder took 447.10 ms. Allocated memory is still 153.1 MB. Free memory was 114.9 MB in the beginning and 100.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:19,390 INFO L168 Benchmark]: TraceAbstraction took 239.11 ms. Allocated memory is still 153.1 MB. Free memory was 135.0 MB in the beginning and 127.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:19,391 INFO L168 Benchmark]: Witness Printer took 110.85 ms. Allocated memory is still 153.1 MB. Free memory was 127.5 MB in the beginning and 124.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:06:19,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 153.1 MB. Free memory is still 128.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 286.19 ms. Allocated memory is still 153.1 MB. Free memory was 127.8 MB in the beginning and 117.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.49 ms. Allocated memory is still 153.1 MB. Free memory was 117.7 MB in the beginning and 116.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.55 ms. Allocated memory is still 153.1 MB. Free memory was 115.9 MB in the beginning and 114.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 447.10 ms. Allocated memory is still 153.1 MB. Free memory was 114.9 MB in the beginning and 100.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 239.11 ms. Allocated memory is still 153.1 MB. Free memory was 135.0 MB in the beginning and 127.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Witness Printer took 110.85 ms. Allocated memory is still 153.1 MB. Free memory was 127.5 MB in the beginning and 124.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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...