./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 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_float_union.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfa9b5ae03b552654908bc6467afad9021ca189c ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 06:42:19,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 06:42:19,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 06:42:19,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 06:42:19,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 06:42:19,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 06:42:19,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 06:42:19,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 06:42:19,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 06:42:19,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 06:42:19,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 06:42:19,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 06:42:19,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 06:42:19,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 06:42:19,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 06:42:19,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 06:42:19,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 06:42:19,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 06:42:19,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 06:42:19,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 06:42:19,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 06:42:19,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 06:42:19,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 06:42:19,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 06:42:19,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 06:42:19,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 06:42:19,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 06:42:19,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 06:42:19,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 06:42:19,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 06:42:19,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 06:42:19,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 06:42:19,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 06:42:19,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 06:42:19,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 06:42:19,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 06:42:19,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 06:42:19,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 06:42:19,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 06:42:19,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 06:42:19,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 06:42:19,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 06:42:19,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 06:42:19,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 06:42:19,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 06:42:19,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 06:42:19,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 06:42:19,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 06:42:19,750 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 06:42:19,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 06:42:19,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 06:42:19,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 06:42:19,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 06:42:19,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 06:42:19,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 06:42:19,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 06:42:19,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 06:42:19,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 06:42:19,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 06:42:19,753 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 06:42:19,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 06:42:19,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 06:42:19,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 06:42:19,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 06:42:19,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:42:19,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 06:42:19,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 06:42:19,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 06:42:19,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 06:42:19,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 06:42:19,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 06:42:19,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 06:42:19,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa9b5ae03b552654908bc6467afad9021ca189c [2021-08-29 06:42:20,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 06:42:20,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 06:42:20,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 06:42:20,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 06:42:20,098 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 06:42:20,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_union.c [2021-08-29 06:42:20,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d104151/5c8f10972e924175b4ae941b356e181a/FLAG94443b8c2 [2021-08-29 06:42:20,625 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 06:42:20,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c [2021-08-29 06:42:20,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d104151/5c8f10972e924175b4ae941b356e181a/FLAG94443b8c2 [2021-08-29 06:42:21,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d104151/5c8f10972e924175b4ae941b356e181a [2021-08-29 06:42:21,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 06:42:21,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 06:42:21,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 06:42:21,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 06:42:21,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 06:42:21,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12390070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21, skipping insertion in model container [2021-08-29 06:42:21,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 06:42:21,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 06:42:21,176 WARN L228 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] [2021-08-29 06:42:21,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 06:42:21,206 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 06:42:21,238 WARN L228 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] [2021-08-29 06:42:21,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 06:42:21,271 INFO L208 MainTranslator]: Completed translation [2021-08-29 06:42:21,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21 WrapperNode [2021-08-29 06:42:21,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 06:42:21,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 06:42:21,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 06:42:21,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 06:42:21,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 06:42:21,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 06:42:21,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 06:42:21,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 06:42:21,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 06:42:21,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 06:42:21,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 06:42:21,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 06:42:21,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (1/1) ... [2021-08-29 06:42:21,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:42:21,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 06:42:21,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 06:42:21,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 06:42:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 06:42:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 06:42:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-08-29 06:42:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 06:42:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-08-29 06:42:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 06:42:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 06:42:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 06:42:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 06:42:21,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 06:42:21,616 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-29 06:42:21,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:42:21 BoogieIcfgContainer [2021-08-29 06:42:21,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 06:42:21,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 06:42:21,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 06:42:21,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 06:42:21,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:42:21" (1/3) ... [2021-08-29 06:42:21,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfbb8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:42:21, skipping insertion in model container [2021-08-29 06:42:21,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:42:21" (2/3) ... [2021-08-29 06:42:21,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfbb8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:42:21, skipping insertion in model container [2021-08-29 06:42:21,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:42:21" (3/3) ... [2021-08-29 06:42:21,625 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2021-08-29 06:42:21,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 06:42:21,629 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-29 06:42:21,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfbb8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:42:21, skipping insertion in model container [2021-08-29 06:42:21,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 06:42:21,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 06:42:21,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 06:42:21,633 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 06:42:21,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:42:21" (3/3) ... [2021-08-29 06:42:21,636 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 06:42:21,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-08-29 06:42:21,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 06:42:21,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 06:42:21,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 06:42:21,706 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 06:42:21,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 06:42:21,708 INFO L158 Benchmark]: Toolchain (without parser) took 686.50ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.6MB in the beginning and 44.7MB in the end (delta: -16.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-08-29 06:42:21,708 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:42:21,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.14ms. Allocated memory is still 52.4MB. Free memory was 28.5MB in the beginning and 35.0MB in the end (delta: -6.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 06:42:21,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.13ms. Allocated memory is still 52.4MB. Free memory was 35.0MB in the beginning and 33.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:42:21,709 INFO L158 Benchmark]: Boogie Preprocessor took 42.76ms. Allocated memory is still 52.4MB. Free memory was 33.4MB in the beginning and 32.4MB in the end (delta: 992.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:42:21,710 INFO L158 Benchmark]: RCFGBuilder took 273.57ms. Allocated memory is still 52.4MB. Free memory was 32.4MB in the beginning and 23.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 06:42:21,710 INFO L158 Benchmark]: TraceAbstraction took 11.15ms. Allocated memory is still 52.4MB. Free memory was 22.8MB in the beginning and 21.9MB in the end (delta: 888.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:42:21,710 INFO L158 Benchmark]: Witness Printer took 74.26ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 21.9MB in the beginning and 44.7MB in the end (delta: -22.8MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-08-29 06:42:21,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.14ms. Allocated memory is still 52.4MB. Free memory was 28.5MB in the beginning and 35.0MB in the end (delta: -6.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.13ms. Allocated memory is still 52.4MB. Free memory was 35.0MB in the beginning and 33.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.76ms. Allocated memory is still 52.4MB. Free memory was 33.4MB in the beginning and 32.4MB in the end (delta: 992.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.57ms. Allocated memory is still 52.4MB. Free memory was 32.4MB in the beginning and 23.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11.15ms. Allocated memory is still 52.4MB. Free memory was 22.8MB in the beginning and 21.9MB in the end (delta: 888.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.26ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 21.9MB in the beginning and 44.7MB in the end (delta: -22.8MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * 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. RESULT: Ultimate proved your program to be correct! [2021-08-29 06:42:21,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...