/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-dev-4f750a8 [2020-12-22 03:41:18,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:41:18,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:41:18,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:41:18,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:41:18,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:41:18,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:41:18,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:41:18,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:41:18,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:41:18,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:41:18,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:41:18,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:41:18,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:41:18,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:41:18,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:41:18,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:41:18,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:41:18,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:41:18,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:41:18,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:41:18,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:41:18,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:41:18,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:41:18,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 03:41:18,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 03:41:18,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 03:41:18,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 03:41:18,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 03:41:18,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 03:41:18,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 03:41:18,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 03:41:18,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 03:41:18,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 03:41:18,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 03:41:18,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 03:41:18,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 03:41:18,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 03:41:18,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:41:18,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:41:18,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:41:18,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:41:18,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:41:18,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:41:18,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:41:18,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:41:18,500 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:41:18,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:41:18,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:41:18,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:41:18,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:41:18,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:41:18,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:41:18,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:41:18,503 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:41:18,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:41:18,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:41:18,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:41:18,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:41:18,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:41:18,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:41:18,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:41:18,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:41:18,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:41:18,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:41:18,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:41:18,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:41:18,506 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:41:18,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:41:18,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:41:19,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:41:19,001 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:41:19,002 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:41:19,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_union.c [2020-12-22 03:41:19,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6cead66a/ed4352faa7c7426ab871a99d6bacb8c0/FLAGdc5c53cfd [2020-12-22 03:41:19,769 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:41:19,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c [2020-12-22 03:41:19,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6cead66a/ed4352faa7c7426ab871a99d6bacb8c0/FLAGdc5c53cfd [2020-12-22 03:41:20,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6cead66a/ed4352faa7c7426ab871a99d6bacb8c0 [2020-12-22 03:41:20,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:41:20,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:41:20,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:41:20,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:41:20,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:41:20,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432e5841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20, skipping insertion in model container [2020-12-22 03:41:20,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:41:20,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:41:20,345 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2020-12-22 03:41:20,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:41:20,378 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:41:20,393 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2020-12-22 03:41:20,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:41:20,423 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:41:20,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20 WrapperNode [2020-12-22 03:41:20,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:41:20,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:41:20,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:41:20,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:41:20,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:41:20,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:41:20,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:41:20,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:41:20,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... [2020-12-22 03:41:20,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:41:20,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:41:20,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:41:20,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:41:20,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 03:41:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 03:41:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:41:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-22 03:41:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 03:41:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-22 03:41:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:41:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:41:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 03:41:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 03:41:21,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 03:41:21,109 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-22 03:41:21,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:41:21 BoogieIcfgContainer [2020-12-22 03:41:21,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 03:41:21,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 03:41:21,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 03:41:21,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 03:41:21,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:41:20" (1/3) ... [2020-12-22 03:41:21,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c839b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:41:21, skipping insertion in model container [2020-12-22 03:41:21,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:41:20" (2/3) ... [2020-12-22 03:41:21,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c839b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:41:21, skipping insertion in model container [2020-12-22 03:41:21,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:41:21" (3/3) ... [2020-12-22 03:41:21,123 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-12-22 03:41:21,132 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 03:41:21,138 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-12-22 03:41:21,161 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-12-22 03:41:21,190 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 03:41:21,190 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 03:41:21,190 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 03:41:21,190 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 03:41:21,190 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 03:41:21,191 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 03:41:21,191 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 03:41:21,191 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 03:41:21,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-22 03:41:21,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 03:41:21,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-12-22 03:41:21,283 INFO L189 CegarLoopUtils]: For program point L33(line 33) no Hoare annotation was computed. [2020-12-22 03:41:21,284 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 03:41:21,284 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 03:41:21,284 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 03:41:21,284 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 03:41:21,285 INFO L192 CegarLoopUtils]: At program point L59(lines 52 60) the Hoare annotation is: true [2020-12-22 03:41:21,285 INFO L192 CegarLoopUtils]: At program point L49(lines 26 50) the Hoare annotation is: true [2020-12-22 03:41:21,285 INFO L189 CegarLoopUtils]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-12-22 03:41:21,285 INFO L189 CegarLoopUtils]: For program point L42-2(lines 38 48) no Hoare annotation was computed. [2020-12-22 03:41:21,285 INFO L189 CegarLoopUtils]: For program point L38(lines 38 48) no Hoare annotation was computed. [2020-12-22 03:41:21,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:41:21 BoogieIcfgContainer [2020-12-22 03:41:21,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 03:41:21,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 03:41:21,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 03:41:21,297 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 03:41:21,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:41:21" (3/4) ... [2020-12-22 03:41:21,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 03:41:21,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-22 03:41:21,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 03:41:21,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 03:41:21,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 03:41:21,377 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/float-benchs/cast_float_union.c-witness.graphml [2020-12-22 03:41:21,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 03:41:21,380 INFO L168 Benchmark]: Toolchain (without parser) took 1227.02 ms. Allocated memory is still 153.1 MB. Free memory was 128.8 MB in the beginning and 123.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 03:41:21,381 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 125.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:41:21,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.75 ms. Allocated memory is still 153.1 MB. Free memory was 128.6 MB in the beginning and 118.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 03:41:21,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.64 ms. Allocated memory is still 153.1 MB. Free memory was 118.3 MB in the beginning and 116.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:41:21,383 INFO L168 Benchmark]: Boogie Preprocessor took 28.94 ms. Allocated memory is still 153.1 MB. Free memory was 116.8 MB in the beginning and 115.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:41:21,384 INFO L168 Benchmark]: RCFGBuilder took 612.21 ms. Allocated memory is still 153.1 MB. Free memory was 115.7 MB in the beginning and 134.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 03:41:21,385 INFO L168 Benchmark]: TraceAbstraction took 181.60 ms. Allocated memory is still 153.1 MB. Free memory was 133.5 MB in the beginning and 126.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 03:41:21,386 INFO L168 Benchmark]: Witness Printer took 81.13 ms. Allocated memory is still 153.1 MB. Free memory was 126.2 MB in the beginning and 123.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:41:21,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 125.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 267.75 ms. Allocated memory is still 153.1 MB. Free memory was 128.6 MB in the beginning and 118.5 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 43.64 ms. Allocated memory is still 153.1 MB. Free memory was 118.3 MB in the beginning and 116.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.94 ms. Allocated memory is still 153.1 MB. Free memory was 116.8 MB in the beginning and 115.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 612.21 ms. Allocated memory is still 153.1 MB. Free memory was 115.7 MB in the beginning and 134.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 181.60 ms. Allocated memory is still 153.1 MB. Free memory was 133.5 MB in the beginning and 126.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Witness Printer took 81.13 ms. Allocated memory is still 153.1 MB. Free memory was 126.2 MB in the beginning and 123.5 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...