./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_ptr.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 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 13:32:24,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:32:24,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:32:24,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:32:24,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:32:24,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:32:24,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:32:24,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:32:24,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:32:24,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:32:24,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:32:24,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:32:24,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:32:24,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:32:24,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:32:24,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:32:24,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:32:24,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:32:24,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:32:24,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:32:24,673 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:32:24,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:32:24,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:32:24,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:32:24,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:32:24,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:32:24,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:32:24,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:32:24,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:32:24,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:32:24,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:32:24,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:32:24,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:32:24,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:32:24,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:32:24,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:32:24,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:32:24,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:32:24,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:32:24,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:32:24,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:32:24,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:32:24,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 13:32:24,714 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:32:24,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:32:24,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:32:24,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:32:24,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:32:24,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:32:24,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:32:24,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:32:24,716 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:32:24,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:32:24,717 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:32:24,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 13:32:24,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:32:24,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:32:24,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:32:24,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:32:24,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:32:24,718 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:32:24,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:32:24,718 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:32:24,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:32:24,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:32:24,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:32:24,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:32:24,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:32:24,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:32:24,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:32:24,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:32:24,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 13:32:24,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 13:32:24,720 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:32:24,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:32:24,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:32:24,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2022-07-19 13:32:24,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:32:24,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:32:24,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:32:24,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:32:24,934 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:32:24,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-07-19 13:32:24,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8bd1f7f/b7cc0f4525e747d1b819109d3df8a95b/FLAGa71345929 [2022-07-19 13:32:25,330 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:32:25,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-07-19 13:32:25,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8bd1f7f/b7cc0f4525e747d1b819109d3df8a95b/FLAGa71345929 [2022-07-19 13:32:25,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8bd1f7f/b7cc0f4525e747d1b819109d3df8a95b [2022-07-19 13:32:25,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:32:25,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:32:25,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:32:25,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:32:25,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:32:25,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e83a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25, skipping insertion in model container [2022-07-19 13:32:25,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:32:25,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:32:25,494 WARN L230 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_ptr.c[362,375] [2022-07-19 13:32:25,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:32:25,510 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 13:32:25,517 WARN L230 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_ptr.c[362,375] [2022-07-19 13:32:25,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:32:25,530 INFO L208 MainTranslator]: Completed translation [2022-07-19 13:32:25,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25 WrapperNode [2022-07-19 13:32:25,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 13:32:25,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 13:32:25,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 13:32:25,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 13:32:25,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,553 INFO L137 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2022-07-19 13:32:25,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 13:32:25,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 13:32:25,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 13:32:25,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 13:32:25,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 13:32:25,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 13:32:25,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 13:32:25,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 13:32:25,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (1/1) ... [2022-07-19 13:32:25,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:32:25,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 13:32:25,596 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) [2022-07-19 13:32:25,604 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 [2022-07-19 13:32:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 13:32:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 13:32:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 13:32:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-19 13:32:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 13:32:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-19 13:32:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 13:32:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 13:32:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 13:32:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 13:32:25,681 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 13:32:25,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 13:32:25,778 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 13:32:25,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 13:32:25,782 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 13:32:25,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:32:25 BoogieIcfgContainer [2022-07-19 13:32:25,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 13:32:25,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 13:32:25,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 13:32:25,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 13:32:25,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 01:32:25" (1/3) ... [2022-07-19 13:32:25,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcedf32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:32:25, skipping insertion in model container [2022-07-19 13:32:25,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:25" (2/3) ... [2022-07-19 13:32:25,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcedf32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:32:25, skipping insertion in model container [2022-07-19 13:32:25,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:32:25" (3/3) ... [2022-07-19 13:32:25,790 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2022-07-19 13:32:25,799 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 13:32:25,799 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 13:32:25,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 13:32:25,836 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@118577f4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7f190cf0 [2022-07-19 13:32:25,837 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 13:32:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 13:32:25,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-19 13:32:25,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:32:25,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 13:32:25,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:32:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:32:25,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2022-07-19 13:32:25,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 13:32:25,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272779294] [2022-07-19 13:32:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:32:25,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 13:32:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:32:25,991 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 13:32:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:32:26,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 13:32:26,057 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 13:32:26,058 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 13:32:26,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 13:32:26,063 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-19 13:32:26,066 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 13:32:26,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 01:32:26 BoogieIcfgContainer [2022-07-19 13:32:26,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 13:32:26,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 13:32:26,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 13:32:26,106 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 13:32:26,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:32:25" (3/4) ... [2022-07-19 13:32:26,109 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 13:32:26,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 13:32:26,111 INFO L158 Benchmark]: Toolchain (without parser) took 760.33ms. Allocated memory is still 102.8MB. Free memory was 73.1MB in the beginning and 48.1MB in the end (delta: 25.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-07-19 13:32:26,112 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 56.7MB in the beginning and 56.6MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:32:26,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.71ms. Allocated memory is still 102.8MB. Free memory was 72.8MB in the beginning and 79.2MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 13:32:26,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.31ms. Allocated memory is still 102.8MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:32:26,114 INFO L158 Benchmark]: Boogie Preprocessor took 14.98ms. Allocated memory is still 102.8MB. Free memory was 77.5MB in the beginning and 76.7MB in the end (delta: 778.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:32:26,117 INFO L158 Benchmark]: RCFGBuilder took 214.45ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 65.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 13:32:26,117 INFO L158 Benchmark]: TraceAbstraction took 315.05ms. Allocated memory is still 102.8MB. Free memory was 64.9MB in the beginning and 48.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 13:32:26,118 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 102.8MB. Free memory was 48.6MB in the beginning and 48.1MB in the end (delta: 430.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:32:26,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 56.7MB in the beginning and 56.6MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.71ms. Allocated memory is still 102.8MB. Free memory was 72.8MB in the beginning and 79.2MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.31ms. Allocated memory is still 102.8MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.98ms. Allocated memory is still 102.8MB. Free memory was 77.5MB in the beginning and 76.7MB in the end (delta: 778.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 214.45ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 65.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 315.05ms. Allocated memory is still 102.8MB. Free memory was 64.9MB in the beginning and 48.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 102.8MB. Free memory was 48.6MB in the beginning and 48.1MB in the end (delta: 430.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\old(d)=3758096386, \read(d)=3758096385, d={5:0}, dmax={7:0}, f={6:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\old(d)=3758096386, \read(d)=3758096386, \read(dmax)=3758096387, d={5:0}, dmax={7:0}, f={6:0}] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\old(d)=3758096386, \read(d)=3758096386, \read(dmax)=3758096387, d={5:0}, dmax={7:0}, f={6:0}] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=3758096386, \read(d)=3758096386, \read(d)=3758096386, d={5:0}, dmax={7:0}, f={6:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-19 13:32:26,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_ptr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 13:32:27,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:32:27,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:32:27,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:32:27,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:32:27,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:32:27,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:32:27,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:32:27,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:32:27,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:32:27,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:32:27,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:32:27,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:32:27,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:32:27,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:32:27,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:32:27,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:32:27,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:32:27,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:32:27,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:32:27,783 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:32:27,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:32:27,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:32:27,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:32:27,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:32:27,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:32:27,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:32:27,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:32:27,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:32:27,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:32:27,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:32:27,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:32:27,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:32:27,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:32:27,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:32:27,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:32:27,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:32:27,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:32:27,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:32:27,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:32:27,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:32:27,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:32:27,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-19 13:32:27,833 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:32:27,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:32:27,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:32:27,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:32:27,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:32:27,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:32:27,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:32:27,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:32:27,836 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:32:27,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:32:27,837 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:32:27,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:32:27,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:32:27,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:32:27,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:32:27,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:32:27,838 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 13:32:27,838 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 13:32:27,838 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 13:32:27,838 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:32:27,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:32:27,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:32:27,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:32:27,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:32:27,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:32:27,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:32:27,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:32:27,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:32:27,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:32:27,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:32:27,840 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 13:32:27,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 13:32:27,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:32:27,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:32:27,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:32:27,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 13:32:27,842 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2022-07-19 13:32:28,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:32:28,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:32:28,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:32:28,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:32:28,138 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:32:28,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-07-19 13:32:28,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a0b38a4/4bba4813c9e14f38ab0603a7c4a09bde/FLAGf458cc17b [2022-07-19 13:32:28,519 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:32:28,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-07-19 13:32:28,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a0b38a4/4bba4813c9e14f38ab0603a7c4a09bde/FLAGf458cc17b [2022-07-19 13:32:28,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a0b38a4/4bba4813c9e14f38ab0603a7c4a09bde [2022-07-19 13:32:28,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:32:28,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:32:28,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:32:28,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:32:28,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:32:28,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:32:28" (1/1) ... [2022-07-19 13:32:28,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34230de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:28, skipping insertion in model container [2022-07-19 13:32:28,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:32:28" (1/1) ... [2022-07-19 13:32:28,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:32:28,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:32:29,051 WARN L230 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_ptr.c[362,375] [2022-07-19 13:32:29,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:32:29,078 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 13:32:29,086 WARN L230 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_ptr.c[362,375] [2022-07-19 13:32:29,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:32:29,110 INFO L208 MainTranslator]: Completed translation [2022-07-19 13:32:29,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29 WrapperNode [2022-07-19 13:32:29,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 13:32:29,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 13:32:29,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 13:32:29,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 13:32:29,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,155 INFO L137 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-07-19 13:32:29,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 13:32:29,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 13:32:29,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 13:32:29,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 13:32:29,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 13:32:29,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 13:32:29,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 13:32:29,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 13:32:29,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (1/1) ... [2022-07-19 13:32:29,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:32:29,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 13:32:29,199 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) [2022-07-19 13:32:29,204 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 [2022-07-19 13:32:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 13:32:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-19 13:32:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-07-19 13:32:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 13:32:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 13:32:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-19 13:32:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 13:32:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 13:32:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 13:32:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-19 13:32:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 13:32:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 13:32:29,300 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 13:32:29,301 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 13:32:29,571 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 13:32:29,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 13:32:29,575 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 13:32:29,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:32:29 BoogieIcfgContainer [2022-07-19 13:32:29,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 13:32:29,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 13:32:29,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 13:32:29,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 13:32:29,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 01:32:28" (1/3) ... [2022-07-19 13:32:29,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de61d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:32:29, skipping insertion in model container [2022-07-19 13:32:29,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:32:29" (2/3) ... [2022-07-19 13:32:29,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de61d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:32:29, skipping insertion in model container [2022-07-19 13:32:29,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:32:29" (3/3) ... [2022-07-19 13:32:29,585 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2022-07-19 13:32:29,595 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 13:32:29,595 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 13:32:29,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 13:32:29,671 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3731448, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@45fe1608 [2022-07-19 13:32:29,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 13:32:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 13:32:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-19 13:32:29,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:32:29,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 13:32:29,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:32:29,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:32:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2022-07-19 13:32:29,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 13:32:29,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242495792] [2022-07-19 13:32:29,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:32:29,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 13:32:29,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 13:32:29,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 13:32:29,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 13:32:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 13:32:29,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-19 13:32:29,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 13:32:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 13:32:29,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-07-19 13:32:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 13:32:30,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 13:32:30,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 13:32:30,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242495792] [2022-07-19 13:32:30,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242495792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 13:32:30,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 13:32:30,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 13:32:30,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470034240] [2022-07-19 13:32:30,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 13:32:30,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 13:32:30,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 13:32:30,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 13:32:30,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-19 13:32:30,253 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 13:32:30,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 13:32:30,296 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-07-19 13:32:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 13:32:30,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-19 13:32:30,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 13:32:30,308 INFO L225 Difference]: With dead ends: 30 [2022-07-19 13:32:30,308 INFO L226 Difference]: Without dead ends: 10 [2022-07-19 13:32:30,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-19 13:32:30,312 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 13:32:30,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2022-07-19 13:32:30,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-07-19 13:32:30,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-07-19 13:32:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 13:32:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2022-07-19 13:32:30,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2022-07-19 13:32:30,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 13:32:30,331 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2022-07-19 13:32:30,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 13:32:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-07-19 13:32:30,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-19 13:32:30,331 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:32:30,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 13:32:30,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-19 13:32:30,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 13:32:30,540 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:32:30,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:32:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2022-07-19 13:32:30,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 13:32:30,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161384989] [2022-07-19 13:32:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:32:30,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 13:32:30,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 13:32:30,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 13:32:30,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 13:32:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:32:30,616 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 13:32:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:32:30,674 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-19 13:32:30,675 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 13:32:30,676 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 13:32:30,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 13:32:30,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 13:32:30,880 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-19 13:32:30,883 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 13:32:30,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 01:32:30 BoogieIcfgContainer [2022-07-19 13:32:30,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 13:32:30,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 13:32:30,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 13:32:30,901 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 13:32:30,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:32:29" (3/4) ... [2022-07-19 13:32:30,902 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-19 13:32:30,925 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 13:32:30,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 13:32:30,925 INFO L158 Benchmark]: Toolchain (without parser) took 1978.60ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 45.6MB in the beginning and 44.5MB in the end (delta: 1.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-07-19 13:32:30,926 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:32:30,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.81ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 48.6MB in the end (delta: -3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 13:32:30,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.04ms. Allocated memory is still 65.0MB. Free memory was 48.4MB in the beginning and 46.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:32:30,927 INFO L158 Benchmark]: Boogie Preprocessor took 18.36ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 45.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:32:30,927 INFO L158 Benchmark]: RCFGBuilder took 401.22ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 33.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-19 13:32:30,927 INFO L158 Benchmark]: TraceAbstraction took 1322.31ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 33.0MB in the beginning and 46.1MB in the end (delta: -13.1MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-07-19 13:32:30,928 INFO L158 Benchmark]: Witness Printer took 24.62ms. Allocated memory is still 79.7MB. Free memory was 46.1MB in the beginning and 44.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:32:30,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.81ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 48.6MB in the end (delta: -3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.04ms. Allocated memory is still 65.0MB. Free memory was 48.4MB in the beginning and 46.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.36ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 45.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 401.22ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 33.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1322.31ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 33.0MB in the beginning and 46.1MB in the end (delta: -13.1MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 24.62ms. Allocated memory is still 79.7MB. Free memory was 46.1MB in the beginning and 44.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\old(d)=NaN, \read(d)=0, d={7:0}, dmax={5:0}, f={15:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\old(d)=NaN, \read(d)=NaN, \read(dmax)=-26815623046150350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, d={7:0}, dmax={5:0}, f={15:0}] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\old(d)=NaN, \read(d)=NaN, \read(dmax)=-26815623046150350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, d={7:0}, dmax={5:0}, f={15:0}] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=NaN, \read(d)=NaN, d={7:0}, d >= -3.41e38 && d <= 3.41e38=0, dmax={5:0}, f={15:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 12 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 3 QuantifiedInterpolants, 324 SizeOfPredicates, 3 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-07-19 13:32:30,959 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE