./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/Rump_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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/Rump_float.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 b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:06:04,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:06:04,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:06:04,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:06:04,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:06:04,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:06:04,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:06:04,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:06:04,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:06:04,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:06:04,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:06:04,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:06:04,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:06:04,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:06:04,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:06:04,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:06:04,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:06:04,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:06:04,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:06:04,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:06:04,663 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:06:04,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:06:04,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:06:04,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:06:04,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:06:04,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:06:04,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:06:04,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:06:04,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:06:04,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:06:04,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:06:04,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:06:04,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:06:04,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:06:04,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:06:04,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:06:04,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:06:04,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:06:04,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:06:04,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:06:04,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:06:04,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:06:04,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:06:04,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:06:04,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:06:04,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:06:04,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:06:04,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:06:04,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:06:04,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:06:04,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:06:04,701 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:06:04,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:06:04,701 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:06:04,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:06:04,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:06:04,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:06:04,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:06:04,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:06:04,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:06:04,703 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:06:04,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:06:04,703 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:06:04,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:06:04,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:06:04,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:06:04,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:06:04,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:06:04,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:06:04,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:06:04,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:06:04,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:06:04,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:06:04,706 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:06:04,706 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:06:04,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:06:04,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2022-07-13 14:06:04,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:06:04,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:06:04,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:06:04,948 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:06:04,950 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:06:04,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2022-07-13 14:06:05,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7697e5814/7bcbe6ca04b04281af78542984fa3729/FLAG33a1435a5 [2022-07-13 14:06:05,382 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:06:05,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2022-07-13 14:06:05,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7697e5814/7bcbe6ca04b04281af78542984fa3729/FLAG33a1435a5 [2022-07-13 14:06:05,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7697e5814/7bcbe6ca04b04281af78542984fa3729 [2022-07-13 14:06:05,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:06:05,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:06:05,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:06:05,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:06:05,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:06:05,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a08202a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05, skipping insertion in model container [2022-07-13 14:06:05,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:06:05,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:06:05,631 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/Rump_float.c[338,351] [2022-07-13 14:06:05,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:06:05,660 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:06:05,671 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/Rump_float.c[338,351] [2022-07-13 14:06:05,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:06:05,685 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:06:05,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05 WrapperNode [2022-07-13 14:06:05,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:06:05,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:06:05,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:06:05,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:06:05,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,713 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-07-13 14:06:05,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:06:05,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:06:05,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:06:05,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:06:05,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:06:05,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:06:05,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:06:05,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:06:05,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (1/1) ... [2022-07-13 14:06:05,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:06:05,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:06:05,765 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) [2022-07-13 14:06:05,777 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 [2022-07-13 14:06:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:06:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:06:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:06:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 14:06:05,866 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:06:05,867 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:06:05,941 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:06:05,945 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:06:05,946 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 14:06:05,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:06:05 BoogieIcfgContainer [2022-07-13 14:06:05,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:06:05,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:06:05,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:06:05,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:06:05,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:06:05" (1/3) ... [2022-07-13 14:06:05,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311b2ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:06:05, skipping insertion in model container [2022-07-13 14:06:05,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:05" (2/3) ... [2022-07-13 14:06:05,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311b2ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:06:05, skipping insertion in model container [2022-07-13 14:06:05,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:06:05" (3/3) ... [2022-07-13 14:06:05,957 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2022-07-13 14:06:05,972 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:06:05,973 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:06:06,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:06:06,020 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@27bd80d7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@51ef41bd [2022-07-13 14:06:06,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:06:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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) [2022-07-13 14:06:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-13 14:06:06,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:06:06,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-13 14:06:06,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:06:06,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:06:06,056 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-07-13 14:06:06,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:06:06,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701849629] [2022-07-13 14:06:06,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:06:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:06:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:06:06,150 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 14:06:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:06:06,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 14:06:06,191 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 14:06:06,192 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:06:06,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 14:06:06,200 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-13 14:06:06,204 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:06:06,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:06:06 BoogieIcfgContainer [2022-07-13 14:06:06,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:06:06,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:06:06,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:06:06,227 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:06:06,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:06:05" (3/4) ... [2022-07-13 14:06:06,230 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 14:06:06,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:06:06,232 INFO L158 Benchmark]: Toolchain (without parser) took 831.34ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 64.9MB in the beginning and 74.8MB in the end (delta: -9.9MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-07-13 14:06:06,233 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:06:06,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.84ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 64.7MB in the beginning and 99.2MB in the end (delta: -34.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:06:06,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.98ms. Allocated memory is still 123.7MB. Free memory was 99.2MB in the beginning and 97.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:06:06,239 INFO L158 Benchmark]: Boogie Preprocessor took 15.70ms. Allocated memory is still 123.7MB. Free memory was 97.9MB in the beginning and 97.0MB in the end (delta: 862.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:06:06,240 INFO L158 Benchmark]: RCFGBuilder took 216.33ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 88.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:06:06,241 INFO L158 Benchmark]: TraceAbstraction took 275.04ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 75.2MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-13 14:06:06,242 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 123.7MB. Free memory was 75.2MB in the beginning and 74.8MB in the end (delta: 392.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:06:06,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.84ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 64.7MB in the beginning and 99.2MB in the end (delta: -34.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.98ms. Allocated memory is still 123.7MB. Free memory was 99.2MB in the beginning and 97.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.70ms. Allocated memory is still 123.7MB. Free memory was 97.9MB in the beginning and 97.0MB in the end (delta: 862.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 216.33ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 88.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 275.04ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 75.2MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 123.7MB. Free memory was 75.2MB in the beginning and 74.8MB in the end (delta: 392.0kB). 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: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L15] CALL __VERIFIER_assert((r >= 0)) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 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=9occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 [2022-07-13 14:06:06,292 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 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/Rump_float.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 b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:06:08,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:06:08,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:06:08,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:06:08,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:06:08,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:06:08,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:06:08,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:06:08,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:06:08,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:06:08,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:06:08,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:06:08,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:06:08,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:06:08,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:06:08,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:06:08,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:06:08,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:06:08,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:06:08,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:06:08,286 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:06:08,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:06:08,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:06:08,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:06:08,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:06:08,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:06:08,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:06:08,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:06:08,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:06:08,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:06:08,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:06:08,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:06:08,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:06:08,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:06:08,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:06:08,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:06:08,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:06:08,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:06:08,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:06:08,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:06:08,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:06:08,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:06:08,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:06:08,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:06:08,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:06:08,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:06:08,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:06:08,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:06:08,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:06:08,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:06:08,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:06:08,323 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:06:08,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:06:08,324 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:06:08,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:06:08,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:06:08,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:06:08,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:06:08,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:06:08,325 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:06:08,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:06:08,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:06:08,325 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:06:08,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:06:08,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:06:08,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:06:08,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:06:08,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:06:08,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:06:08,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:06:08,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:06:08,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:06:08,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:06:08,328 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:06:08,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:06:08,328 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:06:08,328 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:06:08,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:06:08,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:06:08,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2022-07-13 14:06:08,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:06:08,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:06:08,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:06:08,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:06:08,648 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:06:08,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2022-07-13 14:06:08,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2ded252/2ea1d5fddc0d4a88b081371c2bd70653/FLAGd61096274 [2022-07-13 14:06:09,163 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:06:09,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2022-07-13 14:06:09,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2ded252/2ea1d5fddc0d4a88b081371c2bd70653/FLAGd61096274 [2022-07-13 14:06:09,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2ded252/2ea1d5fddc0d4a88b081371c2bd70653 [2022-07-13 14:06:09,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:06:09,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:06:09,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:06:09,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:06:09,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:06:09,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c83352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09, skipping insertion in model container [2022-07-13 14:06:09,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:06:09,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:06:09,724 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/Rump_float.c[338,351] [2022-07-13 14:06:09,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:06:09,763 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:06:09,781 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/Rump_float.c[338,351] [2022-07-13 14:06:09,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:06:09,841 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:06:09,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09 WrapperNode [2022-07-13 14:06:09,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:06:09,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:06:09,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:06:09,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:06:09,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,893 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-07-13 14:06:09,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:06:09,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:06:09,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:06:09,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:06:09,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:06:09,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:06:09,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:06:09,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:06:09,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (1/1) ... [2022-07-13 14:06:09,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:06:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:06:09,968 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) [2022-07-13 14:06:09,983 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 [2022-07-13 14:06:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:06:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:06:10,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:06:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 14:06:10,081 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:06:10,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:06:12,520 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:06:12,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:06:12,525 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 14:06:12,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:06:12 BoogieIcfgContainer [2022-07-13 14:06:12,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:06:12,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:06:12,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:06:12,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:06:12,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:06:09" (1/3) ... [2022-07-13 14:06:12,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362cae57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:06:12, skipping insertion in model container [2022-07-13 14:06:12,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:06:09" (2/3) ... [2022-07-13 14:06:12,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362cae57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:06:12, skipping insertion in model container [2022-07-13 14:06:12,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:06:12" (3/3) ... [2022-07-13 14:06:12,534 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2022-07-13 14:06:12,546 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:06:12,546 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:06:12,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:06:12,589 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@421d9d1a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@50c1f092 [2022-07-13 14:06:12,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:06:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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) [2022-07-13 14:06:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-13 14:06:12,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:06:12,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-13 14:06:12,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:06:12,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:06:12,603 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-07-13 14:06:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:06:12,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278685171] [2022-07-13 14:06:12,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:06:12,615 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:06:12,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:06:12,623 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) [2022-07-13 14:06:12,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 14:06:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:06:14,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 14:06:14,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:06:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:06:14,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:06:14,351 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:06:14,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278685171] [2022-07-13 14:06:14,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278685171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:06:14,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:06:14,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 14:06:14,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145626072] [2022-07-13 14:06:14,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:06:14,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 14:06:14,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:06:14,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 14:06:14,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 14:06:14,381 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-07-13 14:06:17,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:06:17,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:06:17,406 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-07-13 14:06:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 14:06:17,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-07-13 14:06:17,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:06:17,414 INFO L225 Difference]: With dead ends: 13 [2022-07-13 14:06:17,415 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 14:06:17,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 14:06:17,424 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:06:17,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-13 14:06:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 14:06:17,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 14:06:17,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-07-13 14:06:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 14:06:17,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-07-13 14:06:17,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:06:17,444 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 14:06:17,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-07-13 14:06:17,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 14:06:17,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 14:06:17,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:06:17,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-13 14:06:17,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:06:17,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 14:06:17,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 14:06:17,719 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 14:06:17,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 14:06:17,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 14:06:17,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2022-07-13 14:06:17,719 INFO L895 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-07-13 14:06:17,719 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-07-13 14:06:17,720 INFO L899 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2022-07-13 14:06:17,720 INFO L895 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-07-13 14:06:17,722 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-13 14:06:17,725 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:06:17,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:06:17 BoogieIcfgContainer [2022-07-13 14:06:17,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:06:17,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:06:17,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:06:17,737 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:06:17,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:06:12" (3/4) ... [2022-07-13 14:06:17,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 14:06:17,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 14:06:17,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 14:06:17,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 14:06:17,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 14:06:17,776 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 14:06:17,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:06:17,778 INFO L158 Benchmark]: Toolchain (without parser) took 8192.38ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 36.7MB in the end (delta: -5.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-07-13 14:06:17,778 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 58.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:06:17,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.92ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.9MB in the beginning and 52.4MB in the end (delta: -21.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:06:17,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.58ms. Allocated memory is still 69.2MB. Free memory was 52.2MB in the beginning and 50.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:06:17,780 INFO L158 Benchmark]: Boogie Preprocessor took 42.40ms. Allocated memory is still 69.2MB. Free memory was 50.8MB in the beginning and 49.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:06:17,780 INFO L158 Benchmark]: RCFGBuilder took 2588.24ms. Allocated memory is still 69.2MB. Free memory was 49.5MB in the beginning and 41.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:06:17,781 INFO L158 Benchmark]: TraceAbstraction took 5207.84ms. Allocated memory is still 69.2MB. Free memory was 41.0MB in the beginning and 39.1MB in the end (delta: 1.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-07-13 14:06:17,781 INFO L158 Benchmark]: Witness Printer took 40.32ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 36.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 14:06:17,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 58.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.92ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.9MB in the beginning and 52.4MB in the end (delta: -21.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.58ms. Allocated memory is still 69.2MB. Free memory was 52.2MB in the beginning and 50.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.40ms. Allocated memory is still 69.2MB. Free memory was 50.8MB in the beginning and 49.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2588.24ms. Allocated memory is still 69.2MB. Free memory was 49.5MB in the beginning and 41.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5207.84ms. Allocated memory is still 69.2MB. Free memory was 41.0MB in the beginning and 39.1MB in the end (delta: 1.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 40.32ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 36.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 5 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 7 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2022-07-13 14:06:17,998 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 Writing output log to file Ultimate.log Result: TRUE