./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1012a.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-newlib/float_req_bl_1012a.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 d5bcd8424024d71373d5028b594bdff9bfc267f48b2d86922f4388a4f67cbbe0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:54:59,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:54:59,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:54:59,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:54:59,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:54:59,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:54:59,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:54:59,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:54:59,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:54:59,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:54:59,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:54:59,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:54:59,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:54:59,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:54:59,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:54:59,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:54:59,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:54:59,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:54:59,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:54:59,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:54:59,748 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:54:59,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:54:59,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:54:59,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:54:59,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:54:59,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:54:59,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:54:59,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:54:59,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:54:59,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:54:59,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:54:59,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:54:59,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:54:59,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:54:59,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:54:59,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:54:59,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:54:59,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:54:59,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:54:59,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:54:59,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:54:59,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:54:59,763 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:54:59,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:54:59,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:54:59,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:54:59,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:54:59,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:54:59,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:54:59,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:54:59,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:54:59,785 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:54:59,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:54:59,786 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:54:59,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:54:59,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:54:59,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:54:59,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:54:59,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:54:59,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:54:59,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:54:59,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:54:59,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:54:59,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:54:59,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:54:59,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:54:59,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:54:59,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:54:59,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:54:59,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:54:59,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:54:59,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:54:59,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:54:59,789 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:54:59,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:54:59,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:54:59,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcd8424024d71373d5028b594bdff9bfc267f48b2d86922f4388a4f67cbbe0 [2022-07-13 14:54:59,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:55:00,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:55:00,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:55:00,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:55:00,003 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:55:00,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1012a.c [2022-07-13 14:55:00,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874976767/925710b628a2430db1c1cff6678c8814/FLAG27865800e [2022-07-13 14:55:00,403 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:55:00,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1012a.c [2022-07-13 14:55:00,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874976767/925710b628a2430db1c1cff6678c8814/FLAG27865800e [2022-07-13 14:55:00,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874976767/925710b628a2430db1c1cff6678c8814 [2022-07-13 14:55:00,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:55:00,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:55:00,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:55:00,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:55:00,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:55:00,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bac0ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00, skipping insertion in model container [2022-07-13 14:55:00,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:55:00,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:55:00,593 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-newlib/float_req_bl_1012a.c[1156,1169] [2022-07-13 14:55:00,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:55:00,601 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:55:00,621 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-newlib/float_req_bl_1012a.c[1156,1169] [2022-07-13 14:55:00,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:55:00,637 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:55:00,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00 WrapperNode [2022-07-13 14:55:00,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:55:00,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:55:00,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:55:00,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:55:00,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,664 INFO L137 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-07-13 14:55:00,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:55:00,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:55:00,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:55:00,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:55:00,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:55:00,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:55:00,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:55:00,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:55:00,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (1/1) ... [2022-07-13 14:55:00,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:55:00,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:55:00,724 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 14:55:00,728 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 14:55:00,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:55:00,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 14:55:00,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 14:55:00,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-13 14:55:00,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 14:55:00,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-13 14:55:00,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:55:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:55:00,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 14:55:00,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 14:55:00,794 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:55:00,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:55:00,872 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:55:00,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:55:00,879 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-13 14:55:00,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:55:00 BoogieIcfgContainer [2022-07-13 14:55:00,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:55:00,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:55:00,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:55:00,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:55:00,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:55:00" (1/3) ... [2022-07-13 14:55:00,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e0eb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:55:00, skipping insertion in model container [2022-07-13 14:55:00,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:00" (2/3) ... [2022-07-13 14:55:00,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e0eb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:55:00, skipping insertion in model container [2022-07-13 14:55:00,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:55:00" (3/3) ... [2022-07-13 14:55:00,900 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a.c [2022-07-13 14:55:00,910 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:55:00,913 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:55:00,959 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:55:00,975 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@42955141, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@354df26f [2022-07-13 14:55:00,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:55:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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 14:55:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 14:55:00,981 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:55:00,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:55:00,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:55:00,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:55:00,985 INFO L85 PathProgramCache]: Analyzing trace with hash -969083750, now seen corresponding path program 1 times [2022-07-13 14:55:00,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:55:00,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987997557] [2022-07-13 14:55:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:55:00,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:55:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:55:01,093 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 14:55:01,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 14:55:01,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987997557] [2022-07-13 14:55:01,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987997557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:55:01,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:55:01,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:55:01,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173502724] [2022-07-13 14:55:01,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:55:01,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:55:01,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 14:55:01,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:55:01,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:55:01,137 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 14:55:01,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:55:01,148 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2022-07-13 14:55:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:55:01,150 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-07-13 14:55:01,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:55:01,159 INFO L225 Difference]: With dead ends: 34 [2022-07-13 14:55:01,159 INFO L226 Difference]: Without dead ends: 15 [2022-07-13 14:55:01,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:55:01,166 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:55:01,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:55:01,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-07-13 14:55:01,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-07-13 14:55:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 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 14:55:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2022-07-13 14:55:01,188 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2022-07-13 14:55:01,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:55:01,188 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2022-07-13 14:55:01,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 14:55:01,189 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2022-07-13 14:55:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-13 14:55:01,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:55:01,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:55:01,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 14:55:01,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:55:01,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:55:01,193 INFO L85 PathProgramCache]: Analyzing trace with hash 657368916, now seen corresponding path program 1 times [2022-07-13 14:55:01,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:55:01,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390844784] [2022-07-13 14:55:01,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:55:01,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:55:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:55:01,292 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 14:55:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:55:01,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 14:55:01,355 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 14:55:01,356 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:55:01,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 14:55:01,360 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 14:55:01,364 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:55:01,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:55:01 BoogieIcfgContainer [2022-07-13 14:55:01,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:55:01,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:55:01,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:55:01,382 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:55:01,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:55:00" (3/4) ... [2022-07-13 14:55:01,384 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 14:55:01,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:55:01,385 INFO L158 Benchmark]: Toolchain (without parser) took 966.54ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 66.8MB in the beginning and 81.9MB in the end (delta: -15.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-07-13 14:55:01,385 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:55:01,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.34ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 71.6MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:55:01,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.85ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 69.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:55:01,390 INFO L158 Benchmark]: Boogie Preprocessor took 30.66ms. Allocated memory is still 96.5MB. Free memory was 69.8MB in the beginning and 68.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:55:01,390 INFO L158 Benchmark]: RCFGBuilder took 182.24ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 57.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:55:01,390 INFO L158 Benchmark]: TraceAbstraction took 498.77ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.6MB in the beginning and 81.9MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:55:01,391 INFO L158 Benchmark]: Witness Printer took 2.66ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:55:01,393 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 96.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.34ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 71.6MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.85ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 69.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.66ms. Allocated memory is still 96.5MB. Free memory was 69.8MB in the beginning and 68.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 182.24ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 57.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 498.77ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.6MB in the beginning and 81.9MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.66ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. 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: 53]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 48, overapproximation of bitwiseAnd at line 36. Possible FailurePath: [L48] float x = 1.0f / 0.0f; [L49] CALL, EXPR fabs_float(x) [L14] __uint32_t ix; VAL [\old(x)=4294967298, x=4294967298] [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (ix) = gf_u.word [L21] ieee_float_shape_type sf_u; [L22] sf_u.word = (ix & 0x7fffffff) [L23] EXPR sf_u.value [L23] (x) = sf_u.value [L25] return x; VAL [\old(x)=4294967298, \result=4294967296, ix=1, x=4294967296] [L49] RET, EXPR fabs_float(x) [L49] float res = fabs_float(x); [L52] CALL, EXPR isinf_float(res) [L30] __int32_t ix; VAL [\old(x)=4294967296, x=4294967296] [L32] ieee_float_shape_type gf_u; [L33] gf_u.value = (x) [L34] EXPR gf_u.word [L34] (ix) = gf_u.word [L36] ix &= 0x7fffffff [L37] return ((ix) == 0x7f800000L); VAL [\old(x)=4294967296, \result=0, ix=0, x=4294967296] [L52] RET, EXPR isinf_float(res) [L52] COND TRUE !isinf_float(res) [L53] reach_error() VAL [res=4294967296, x=4294967298] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 could not prove your program: unable to determine feasibility of some traces [2022-07-13 14:55:01,426 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-newlib/float_req_bl_1012a.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 d5bcd8424024d71373d5028b594bdff9bfc267f48b2d86922f4388a4f67cbbe0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:55:03,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:55:03,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:55:03,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:55:03,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:55:03,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:55:03,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:55:03,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:55:03,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:55:03,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:55:03,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:55:03,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:55:03,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:55:03,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:55:03,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:55:03,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:55:03,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:55:03,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:55:03,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:55:03,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:55:03,163 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:55:03,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:55:03,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:55:03,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:55:03,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:55:03,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:55:03,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:55:03,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:55:03,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:55:03,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:55:03,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:55:03,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:55:03,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:55:03,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:55:03,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:55:03,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:55:03,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:55:03,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:55:03,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:55:03,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:55:03,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:55:03,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:55:03,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:55:03,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:55:03,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:55:03,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:55:03,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:55:03,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:55:03,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:55:03,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:55:03,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:55:03,229 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:55:03,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:55:03,230 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:55:03,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:55:03,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:55:03,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:55:03,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:55:03,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:55:03,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:55:03,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:55:03,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:55:03,231 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:55:03,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:55:03,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:55:03,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:55:03,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:55:03,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:55:03,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:55:03,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:55:03,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:55:03,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:55:03,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:55:03,234 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:55:03,235 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:55:03,235 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:55:03,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:55:03,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:55:03,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:55:03,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcd8424024d71373d5028b594bdff9bfc267f48b2d86922f4388a4f67cbbe0 [2022-07-13 14:55:03,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:55:03,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:55:03,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:55:03,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:55:03,484 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:55:03,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1012a.c [2022-07-13 14:55:03,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48d79308/54b03c15541d4877a9fb2f4fc3d4bd07/FLAG5d52c82d9 [2022-07-13 14:55:03,878 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:55:03,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1012a.c [2022-07-13 14:55:03,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48d79308/54b03c15541d4877a9fb2f4fc3d4bd07/FLAG5d52c82d9 [2022-07-13 14:55:04,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48d79308/54b03c15541d4877a9fb2f4fc3d4bd07 [2022-07-13 14:55:04,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:55:04,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:55:04,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:55:04,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:55:04,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:55:04,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04, skipping insertion in model container [2022-07-13 14:55:04,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:55:04,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:55:04,425 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-newlib/float_req_bl_1012a.c[1156,1169] [2022-07-13 14:55:04,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:55:04,434 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:55:04,461 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-newlib/float_req_bl_1012a.c[1156,1169] [2022-07-13 14:55:04,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:55:04,502 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:55:04,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04 WrapperNode [2022-07-13 14:55:04,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:55:04,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:55:04,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:55:04,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:55:04,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,546 INFO L137 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-07-13 14:55:04,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:55:04,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:55:04,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:55:04,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:55:04,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:55:04,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:55:04,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:55:04,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:55:04,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (1/1) ... [2022-07-13 14:55:04,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:55:04,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:55:04,610 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 14:55:04,631 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 14:55:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:55:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 14:55:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 14:55:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-13 14:55:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 14:55:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:55:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:55:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-13 14:55:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 14:55:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 14:55:04,712 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:55:04,713 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:55:04,823 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:55:04,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:55:04,826 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-13 14:55:04,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:55:04 BoogieIcfgContainer [2022-07-13 14:55:04,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:55:04,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:55:04,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:55:04,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:55:04,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:55:04" (1/3) ... [2022-07-13 14:55:04,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d5b559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:55:04, skipping insertion in model container [2022-07-13 14:55:04,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:55:04" (2/3) ... [2022-07-13 14:55:04,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d5b559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:55:04, skipping insertion in model container [2022-07-13 14:55:04,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:55:04" (3/3) ... [2022-07-13 14:55:04,833 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a.c [2022-07-13 14:55:04,841 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:55:04,842 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:55:04,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:55:04,880 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@fe1bc54, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@60c5a6ae [2022-07-13 14:55:04,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:55:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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 14:55:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 14:55:04,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:55:04,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:55:04,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:55:04,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:55:04,904 INFO L85 PathProgramCache]: Analyzing trace with hash -969083750, now seen corresponding path program 1 times [2022-07-13 14:55:04,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:55:04,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290282428] [2022-07-13 14:55:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:55:04,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:55:04,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:55:04,914 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 14:55:04,915 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 14:55:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:55:04,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-13 14:55:04,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:55:04,974 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 14:55:04,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:55:04,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:55:04,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290282428] [2022-07-13 14:55:04,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290282428] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:55:04,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:55:04,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:55:04,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693875906] [2022-07-13 14:55:04,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:55:04,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:55:04,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:55:04,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:55:04,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:55:04,998 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 14:55:05,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:55:05,006 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2022-07-13 14:55:05,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:55:05,008 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-07-13 14:55:05,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:55:05,012 INFO L225 Difference]: With dead ends: 34 [2022-07-13 14:55:05,012 INFO L226 Difference]: Without dead ends: 15 [2022-07-13 14:55:05,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:55:05,018 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:55:05,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:55:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-07-13 14:55:05,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-07-13 14:55:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 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 14:55:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2022-07-13 14:55:05,043 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2022-07-13 14:55:05,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:55:05,043 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2022-07-13 14:55:05,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 14:55:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2022-07-13 14:55:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-13 14:55:05,045 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:55:05,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:55:05,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 14:55:05,253 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 14:55:05,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:55:05,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:55:05,255 INFO L85 PathProgramCache]: Analyzing trace with hash 657368916, now seen corresponding path program 1 times [2022-07-13 14:55:05,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:55:05,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658155673] [2022-07-13 14:55:05,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:55:05,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:55:05,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:55:05,260 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) [2022-07-13 14:55:05,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 14:55:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:55:05,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-13 14:55:05,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:55:05,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-13 14:55:05,481 INFO L356 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2022-07-13 14:55:05,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 31 [2022-07-13 14:55:05,613 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-13 14:55:05,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 35 [2022-07-13 14:55:05,755 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 14:55:05,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:55:05,755 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:55:05,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658155673] [2022-07-13 14:55:05,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658155673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:55:05,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:55:05,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 14:55:05,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355650036] [2022-07-13 14:55:05,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:55:05,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 14:55:05,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:55:05,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 14:55:05,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-13 14:55:05,758 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 14:55:05,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:55:05,782 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2022-07-13 14:55:05,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 14:55:05,782 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 14 [2022-07-13 14:55:05,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:55:05,783 INFO L225 Difference]: With dead ends: 15 [2022-07-13 14:55:05,783 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 14:55:05,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-13 14:55:05,784 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:55:05,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 30 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 17 Unchecked, 0.0s Time] [2022-07-13 14:55:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 14:55:05,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 14:55:05,786 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 14:55:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 14:55:05,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-07-13 14:55:05,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:55:05,786 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 14:55:05,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 14:55:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 14:55:05,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 14:55:05,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:55:05,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 14:55:05,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:55:06,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 14:55:06,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 14:55:06,016 INFO L899 garLoopResultBuilder]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2022-07-13 14:55:06,016 INFO L895 garLoopResultBuilder]: At program point L31-2(lines 31 35) the Hoare annotation is: (exists ((|v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6|) (_ bv0 32))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse1 (bvand (_ bv2147483647 32) .cse0)) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start_isinf_float_~x#1|)))) [2022-07-13 14:55:06,016 INFO L899 garLoopResultBuilder]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2022-07-13 14:55:06,016 INFO L895 garLoopResultBuilder]: At program point L25(lines 13 26) the Hoare annotation is: (exists ((|v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6|) (_ bv0 32))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse1 (bvand (_ bv2147483647 32) .cse0)) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start_fabs_float_#res#1|)))) [2022-07-13 14:55:06,017 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 55) no Hoare annotation was computed. [2022-07-13 14:55:06,017 INFO L899 garLoopResultBuilder]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2022-07-13 14:55:06,017 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 15 19) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_fabs_float_~x#1|)) [2022-07-13 14:55:06,017 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 14:55:06,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 14:55:06,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 14:55:06,017 INFO L902 garLoopResultBuilder]: At program point L57(lines 40 58) the Hoare annotation is: true [2022-07-13 14:55:06,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 53) no Hoare annotation was computed. [2022-07-13 14:55:06,018 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-13 14:55:06,018 INFO L899 garLoopResultBuilder]: For program point L20(lines 20 24) no Hoare annotation was computed. [2022-07-13 14:55:06,018 INFO L899 garLoopResultBuilder]: For program point L20-1(lines 13 26) no Hoare annotation was computed. [2022-07-13 14:55:06,018 INFO L899 garLoopResultBuilder]: For program point L20-2(lines 20 24) no Hoare annotation was computed. [2022-07-13 14:55:06,018 INFO L895 garLoopResultBuilder]: At program point L37(lines 29 38) the Hoare annotation is: (= |ULTIMATE.start_isinf_float_#res#1| (_ bv1 32)) [2022-07-13 14:55:06,020 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 14:55:06,022 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:55:06,026 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,026 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,026 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,026 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,027 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,027 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,027 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,030 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,030 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,034 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,044 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,046 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,047 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,047 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:55:06 BoogieIcfgContainer [2022-07-13 14:55:06,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:55:06,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:55:06,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:55:06,049 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:55:06,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:55:04" (3/4) ... [2022-07-13 14:55:06,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 14:55:06,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-07-13 14:55:06,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 14:55:06,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 14:55:06,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 14:55:06,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) [2022-07-13 14:55:06,085 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 14:55:06,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:55:06,086 INFO L158 Benchmark]: Toolchain (without parser) took 1773.20ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 45.7MB in the beginning and 57.4MB in the end (delta: -11.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-07-13 14:55:06,086 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:55:06,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.55ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 48.5MB in the end (delta: -3.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-07-13 14:55:06,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.53ms. Allocated memory is still 65.0MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:55:06,087 INFO L158 Benchmark]: Boogie Preprocessor took 40.25ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:55:06,088 INFO L158 Benchmark]: RCFGBuilder took 238.84ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 34.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:55:06,088 INFO L158 Benchmark]: TraceAbstraction took 1218.70ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 34.3MB in the beginning and 59.5MB in the end (delta: -25.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:55:06,088 INFO L158 Benchmark]: Witness Printer took 37.20ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:55:06,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.55ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 48.5MB in the end (delta: -3.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.53ms. Allocated memory is still 65.0MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.25ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 238.84ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 34.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1218.70ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 34.3MB in the beginning and 59.5MB in the end (delta: -25.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.20ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 53]: 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, 18 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, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 17 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 137 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 9 QuantifiedInterpolants, 419 SizeOfPredicates, 13 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 13]: Loop Invariant [2022-07-13 14:55:06,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6 : bv32, v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6][0bv32] == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6][0bv32])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6][0bv32][22:0]) == \result) - InvariantResult [Line: 31]: Loop Invariant [2022-07-13 14:55:06,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:55:06,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6 : bv32, v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6][0bv32] == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_6][0bv32])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_6][0bv32][22:0]) == x) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: \result == 1bv32 - InvariantResult [Line: 15]: Loop Invariant [2022-07-13 14:55:06,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,128 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,128 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:55:06,128 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) RESULT: Ultimate proved your program to be correct! [2022-07-13 14:55:06,155 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 Result: TRUE