./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_0960a.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 391b103ca58c3d094d944df9f24eee43ed7a92e3ac56b8be31b22c2f90c4d314 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:51:52,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:51:52,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:51:52,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:51:52,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:51:52,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:51:52,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:51:52,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:51:52,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:51:52,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:51:52,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:51:52,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:51:52,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:51:52,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:51:52,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:51:52,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:51:52,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:51:52,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:51:52,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:51:52,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:51:52,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:51:52,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:51:52,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:51:52,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:51:52,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:51:52,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:51:52,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:51:52,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:51:52,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:51:52,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:51:52,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:51:52,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:51:52,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:51:52,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:51:52,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:51:52,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:51:52,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:51:52,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:51:52,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:51:52,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:51:52,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:51:52,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 07:51:52,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:51:52,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:51:52,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:51:52,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:51:52,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:51:52,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:51:52,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:51:52,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:51:52,796 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:51:52,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:51:52,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:51:52,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 07:51:52,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:51:52,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:51:52,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:51:52,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:51:52,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:51:52,797 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:51:52,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:51:52,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:51:52,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:51:52,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:51:52,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:51:52,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:51:52,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:51:52,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:51:52,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:51:52,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:51:52,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 07:51:52,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 07:51:52,800 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:51:52,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:51:52,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:51:52,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:51:52,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 391b103ca58c3d094d944df9f24eee43ed7a92e3ac56b8be31b22c2f90c4d314 [2021-12-17 07:51:53,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:51:53,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:51:53,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:51:53,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:51:53,048 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:51:53,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2021-12-17 07:51:53,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef1c60e3/fca83f4a73e54dfd9ea02d2e42fb8244/FLAG76ae256f2 [2021-12-17 07:51:53,563 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:51:53,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2021-12-17 07:51:53,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef1c60e3/fca83f4a73e54dfd9ea02d2e42fb8244/FLAG76ae256f2 [2021-12-17 07:51:53,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef1c60e3/fca83f4a73e54dfd9ea02d2e42fb8244 [2021-12-17 07:51:53,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:51:53,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:51:53,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:51:53,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:51:53,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:51:53,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:51:53" (1/1) ... [2021-12-17 07:51:53,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6580d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:53, skipping insertion in model container [2021-12-17 07:51:53,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:51:53" (1/1) ... [2021-12-17 07:51:53,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:51:53,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:51:54,185 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_0960a.c[4225,4238] [2021-12-17 07:51:54,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:51:54,201 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:51:54,247 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_0960a.c[4225,4238] [2021-12-17 07:51:54,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:51:54,270 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:51:54,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54 WrapperNode [2021-12-17 07:51:54,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:51:54,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:51:54,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:51:54,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:51:54,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,311 INFO L137 Inliner]: procedures = 18, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 219 [2021-12-17 07:51:54,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:51:54,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:51:54,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:51:54,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:51:54,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:51:54,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:51:54,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:51:54,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:51:54,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (1/1) ... [2021-12-17 07:51:54,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:51:54,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:51:54,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 07:51:54,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 07:51:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:51:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 07:51:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:51:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-17 07:51:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 07:51:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-17 07:51:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:51:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:51:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 07:51:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:51:54,536 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:51:54,538 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:51:54,768 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:51:54,774 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:51:54,774 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-17 07:51:54,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:51:54 BoogieIcfgContainer [2021-12-17 07:51:54,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:51:54,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:51:54,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:51:54,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:51:54,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:51:53" (1/3) ... [2021-12-17 07:51:54,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209fc9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:51:54, skipping insertion in model container [2021-12-17 07:51:54,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:54" (2/3) ... [2021-12-17 07:51:54,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209fc9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:51:54, skipping insertion in model container [2021-12-17 07:51:54,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:51:54" (3/3) ... [2021-12-17 07:51:54,791 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a.c [2021-12-17 07:51:54,796 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:51:54,796 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:51:54,834 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:51:54,844 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 07:51:54,845 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:51:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 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) [2021-12-17 07:51:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:51:54,874 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:51:54,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:51:54,875 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:51:54,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:51:54,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2021-12-17 07:51:54,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:51:54,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097274083] [2021-12-17 07:51:54,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:51:54,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:51:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:51:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:51:55,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 07:51:55,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097274083] [2021-12-17 07:51:55,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097274083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:51:55,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:51:55,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:51:55,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720457338] [2021-12-17 07:51:55,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:51:55,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:51:55,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 07:51:55,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:51:55,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:51:55,077 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 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) [2021-12-17 07:51:55,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:51:55,096 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2021-12-17 07:51:55,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:51:55,098 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 [2021-12-17 07:51:55,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:51:55,104 INFO L225 Difference]: With dead ends: 92 [2021-12-17 07:51:55,105 INFO L226 Difference]: Without dead ends: 44 [2021-12-17 07:51:55,108 INFO L932 BasicCegarLoop]: 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 [2021-12-17 07:51:55,117 INFO L933 BasicCegarLoop]: 61 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, 61 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 [2021-12-17 07:51:55,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:51:55,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-12-17 07:51:55,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-12-17 07:51:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 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) [2021-12-17 07:51:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2021-12-17 07:51:55,146 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2021-12-17 07:51:55,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:51:55,146 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2021-12-17 07:51:55,146 INFO L471 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) [2021-12-17 07:51:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-12-17 07:51:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-17 07:51:55,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:51:55,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:51:55,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 07:51:55,148 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:51:55,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:51:55,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2021-12-17 07:51:55,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:51:55,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518184129] [2021-12-17 07:51:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:51:55,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:51:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:51:55,220 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 07:51:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:51:55,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 07:51:55,321 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 07:51:55,325 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:51:55,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 07:51:55,332 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-17 07:51:55,336 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:51:55,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:51:55 BoogieIcfgContainer [2021-12-17 07:51:55,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:51:55,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:51:55,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:51:55,384 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:51:55,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:51:54" (3/4) ... [2021-12-17 07:51:55,387 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 07:51:55,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:51:55,389 INFO L158 Benchmark]: Toolchain (without parser) took 1440.63ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.8MB in the beginning and 99.0MB in the end (delta: -25.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:51:55,389 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:51:55,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.05ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 79.4MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 07:51:55,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.53ms. Allocated memory is still 107.0MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:51:55,390 INFO L158 Benchmark]: Boogie Preprocessor took 35.76ms. Allocated memory is still 107.0MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:51:55,391 INFO L158 Benchmark]: RCFGBuilder took 428.06ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 60.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 07:51:55,392 INFO L158 Benchmark]: TraceAbstraction took 605.01ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 60.0MB in the beginning and 99.0MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:51:55,392 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 130.0MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:51:55,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.05ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 79.4MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.53ms. Allocated memory is still 107.0MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.76ms. Allocated memory is still 107.0MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 428.06ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 60.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 605.01ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 60.0MB in the beginning and 99.0MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 130.0MB. Free memory is still 99.0MB. 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: 169]: 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 119, overapproximation of bitwiseAnd at line 154. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; [L100-L103] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L105] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L164] float x = 0.0f; [L165] CALL, EXPR __ieee754_log10f(x) [L108] float y, z; [L109] __int32_t i, k, hx; VAL [\old(x)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=0, zero=0, zero_log=0] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L117] k = 0 VAL [\old(x)=0, hx=-2, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=0, zero=0, zero_log=0] [L118] COND TRUE ((hx & 0x7fffffff) == 0) [L119] return -two25_log10 / zero; VAL [\old(x)=0, hx=-2, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=0, zero=0, zero_log=0] [L165] RET, EXPR __ieee754_log10f(x) [L165] float res = __ieee754_log10f(x); [L168] CALL, EXPR isinf_float(res) [L148] __int32_t ix; VAL [\old(x)=8589934591, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934591, zero=0, zero_log=0] [L150] ieee_float_shape_type gf_u; [L151] gf_u.value = (x) [L152] EXPR gf_u.word [L152] (ix) = gf_u.word [L154] ix &= 0x7fffffff [L155] return ((ix) == 0x7f800000L); VAL [\old(x)=8589934591, \result=0, ivln10_log10=43429449201/100000000000, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934591, zero=0, zero_log=0] [L168] RET, EXPR isinf_float(res) [L168] COND TRUE !isinf_float(res) [L169] reach_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=8589934591, two25_log=33554432, two25_log10=33554432, x=0, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 61 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, 61 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=47occurred 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, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 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 [2021-12-17 07:51:55,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0960a.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 391b103ca58c3d094d944df9f24eee43ed7a92e3ac56b8be31b22c2f90c4d314 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:51:57,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:51:57,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:51:57,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:51:57,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:51:57,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:51:57,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:51:57,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:51:57,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:51:57,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:51:57,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:51:57,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:51:57,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:51:57,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:51:57,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:51:57,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:51:57,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:51:57,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:51:57,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:51:57,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:51:57,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:51:57,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:51:57,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:51:57,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:51:57,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:51:57,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:51:57,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:51:57,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:51:57,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:51:57,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:51:57,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:51:57,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:51:57,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:51:57,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:51:57,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:51:57,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:51:57,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:51:57,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:51:57,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:51:57,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:51:57,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:51:57,604 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 07:51:57,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:51:57,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:51:57,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:51:57,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:51:57,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:51:57,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:51:57,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:51:57,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:51:57,641 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:51:57,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:51:57,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:51:57,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:51:57,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:51:57,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:51:57,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:51:57,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:51:57,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 07:51:57,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 07:51:57,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 07:51:57,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:51:57,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:51:57,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:51:57,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:51:57,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:51:57,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:51:57,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:51:57,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:51:57,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:51:57,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:51:57,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:51:57,657 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 07:51:57,657 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 07:51:57,658 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:51:57,658 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:51:57,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:51:57,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:51:57,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 07:51:57,659 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 391b103ca58c3d094d944df9f24eee43ed7a92e3ac56b8be31b22c2f90c4d314 [2021-12-17 07:51:57,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:51:58,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:51:58,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:51:58,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:51:58,013 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:51:58,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2021-12-17 07:51:58,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351a26e5e/e4a9be77e23047dab5c3b4ee6770bc7e/FLAG4838fecad [2021-12-17 07:51:58,528 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:51:58,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2021-12-17 07:51:58,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351a26e5e/e4a9be77e23047dab5c3b4ee6770bc7e/FLAG4838fecad [2021-12-17 07:51:58,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351a26e5e/e4a9be77e23047dab5c3b4ee6770bc7e [2021-12-17 07:51:58,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:51:58,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:51:58,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:51:58,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:51:58,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:51:58,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:51:58" (1/1) ... [2021-12-17 07:51:58,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56fd5913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:58, skipping insertion in model container [2021-12-17 07:51:58,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:51:58" (1/1) ... [2021-12-17 07:51:58,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:51:58,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:51:59,130 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_0960a.c[4225,4238] [2021-12-17 07:51:59,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:51:59,148 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:51:59,184 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_0960a.c[4225,4238] [2021-12-17 07:51:59,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:51:59,199 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:51:59,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59 WrapperNode [2021-12-17 07:51:59,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:51:59,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:51:59,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:51:59,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:51:59,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,250 INFO L137 Inliner]: procedures = 21, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 219 [2021-12-17 07:51:59,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:51:59,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:51:59,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:51:59,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:51:59,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:51:59,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:51:59,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:51:59,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:51:59,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (1/1) ... [2021-12-17 07:51:59,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:51:59,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:51:59,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 07:51:59,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 07:51:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:51:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 07:51:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:51:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-17 07:51:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 07:51:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:51:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:51:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-17 07:51:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 07:51:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:51:59,531 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:51:59,534 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:52:15,571 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:52:15,577 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:52:15,577 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-17 07:52:15,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:15 BoogieIcfgContainer [2021-12-17 07:52:15,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:52:15,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:52:15,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:52:15,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:52:15,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:51:58" (1/3) ... [2021-12-17 07:52:15,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1179764a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:52:15, skipping insertion in model container [2021-12-17 07:52:15,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:51:59" (2/3) ... [2021-12-17 07:52:15,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1179764a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:52:15, skipping insertion in model container [2021-12-17 07:52:15,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:15" (3/3) ... [2021-12-17 07:52:15,586 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a.c [2021-12-17 07:52:15,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:52:15,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:52:15,653 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:52:15,659 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 07:52:15,659 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:52:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 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) [2021-12-17 07:52:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:52:15,676 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:52:15,677 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:52:15,678 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:52:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:52:15,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2021-12-17 07:52:15,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:52:15,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729916592] [2021-12-17 07:52:15,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:52:15,696 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:52:15,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:52:15,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:52:15,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 07:52:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:52:16,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-17 07:52:16,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:52:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:52:16,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:52:16,360 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:52:16,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729916592] [2021-12-17 07:52:16,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729916592] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:52:16,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:52:16,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:52:16,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082598808] [2021-12-17 07:52:16,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:52:16,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:52:16,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:52:16,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:52:16,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:52:16,410 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 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) [2021-12-17 07:52:16,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:52:16,425 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2021-12-17 07:52:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:52:16,427 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 [2021-12-17 07:52:16,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:52:16,434 INFO L225 Difference]: With dead ends: 92 [2021-12-17 07:52:16,434 INFO L226 Difference]: Without dead ends: 44 [2021-12-17 07:52:16,437 INFO L932 BasicCegarLoop]: 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 [2021-12-17 07:52:16,440 INFO L933 BasicCegarLoop]: 61 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, 61 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 [2021-12-17 07:52:16,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:52:16,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-12-17 07:52:16,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-12-17 07:52:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 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) [2021-12-17 07:52:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2021-12-17 07:52:16,468 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2021-12-17 07:52:16,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:52:16,469 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2021-12-17 07:52:16,469 INFO L471 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) [2021-12-17 07:52:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-12-17 07:52:16,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-17 07:52:16,470 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:52:16,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:52:16,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-17 07:52:16,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:52:16,676 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:52:16,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:52:16,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2021-12-17 07:52:16,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:52:16,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097932900] [2021-12-17 07:52:16,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:52:16,678 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:52:16,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:52:16,679 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) [2021-12-17 07:52:16,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 07:52:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:52:17,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-17 07:52:17,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:52:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:52:18,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:52:18,169 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:52:18,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097932900] [2021-12-17 07:52:18,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097932900] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:52:18,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:52:18,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 07:52:18,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856915423] [2021-12-17 07:52:18,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:52:18,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 07:52:18,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:52:18,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 07:52:18,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-17 07:52:18,172 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-12-17 07:52:21,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:22,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:25,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:28,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:30,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:33,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:35,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:37,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:39,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:41,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:43,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:52:43,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:52:43,632 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2021-12-17 07:52:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 07:52:43,678 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 13 [2021-12-17 07:52:43,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:52:43,679 INFO L225 Difference]: With dead ends: 61 [2021-12-17 07:52:43,679 INFO L226 Difference]: Without dead ends: 53 [2021-12-17 07:52:43,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-12-17 07:52:43,681 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 53 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2021-12-17 07:52:43,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 250 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 9 Unknown, 0 Unchecked, 24.6s Time] [2021-12-17 07:52:43,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-12-17 07:52:43,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2021-12-17 07:52:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 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) [2021-12-17 07:52:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2021-12-17 07:52:43,689 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 13 [2021-12-17 07:52:43,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:52:43,693 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2021-12-17 07:52:43,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-12-17 07:52:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-12-17 07:52:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-17 07:52:43,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:52:43,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:52:43,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-17 07:52:43,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:52:43,895 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:52:43,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:52:43,895 INFO L85 PathProgramCache]: Analyzing trace with hash -657075683, now seen corresponding path program 1 times [2021-12-17 07:52:43,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:52:43,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115160339] [2021-12-17 07:52:43,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:52:43,896 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:52:43,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:52:43,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:52:43,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 07:52:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:52:44,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-17 07:52:44,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:52:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:52:44,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:52:44,620 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:52:44,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115160339] [2021-12-17 07:52:44,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115160339] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:52:44,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:52:44,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 07:52:44,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4264288] [2021-12-17 07:52:44,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:52:44,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 07:52:44,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:52:44,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 07:52:44,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 07:52:44,622 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2021-12-17 07:52:44,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:52:44,698 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2021-12-17 07:52:44,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 07:52:44,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 [2021-12-17 07:52:44,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:52:44,699 INFO L225 Difference]: With dead ends: 44 [2021-12-17 07:52:44,699 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 07:52:44,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:52:44,701 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:52:44,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:52:44,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 07:52:44,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 07:52:44,702 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) [2021-12-17 07:52:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 07:52:44,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-12-17 07:52:44,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:52:44,703 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 07:52:44,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2021-12-17 07:52:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 07:52:44,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 07:52:44,706 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:52:44,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-17 07:52:44,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:52:44,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 07:52:45,408 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 96) no Hoare annotation was computed. [2021-12-17 07:52:45,408 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 65) no Hoare annotation was computed. [2021-12-17 07:52:45,408 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 119) no Hoare annotation was computed. [2021-12-17 07:52:45,409 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 97) no Hoare annotation was computed. [2021-12-17 07:52:45,409 INFO L854 garLoopResultBuilder]: At program point L143(lines 107 144) the Hoare annotation is: (and (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= |ULTIMATE.start___ieee754_log10f_#res#1| (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) [2021-12-17 07:52:45,409 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 171) no Hoare annotation was computed. [2021-12-17 07:52:45,409 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2021-12-17 07:52:45,409 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 07:52:45,409 INFO L854 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2021-12-17 07:52:45,410 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 07:52:45,410 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2021-12-17 07:52:45,410 INFO L854 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: (and (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_log10f_~x#1| (_ +zero 8 24))) [2021-12-17 07:52:45,410 INFO L858 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2021-12-17 07:52:45,410 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-17 07:52:45,410 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2021-12-17 07:52:45,410 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2021-12-17 07:52:45,410 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-12-17 07:52:45,410 INFO L858 garLoopResultBuilder]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2021-12-17 07:52:45,411 INFO L854 garLoopResultBuilder]: At program point L137-2(lines 137 141) the Hoare annotation is: false [2021-12-17 07:52:45,411 INFO L858 garLoopResultBuilder]: For program point L137-3(lines 137 141) no Hoare annotation was computed. [2021-12-17 07:52:45,411 INFO L854 garLoopResultBuilder]: At program point L96(lines 22 98) the Hoare annotation is: false [2021-12-17 07:52:45,411 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 47) no Hoare annotation was computed. [2021-12-17 07:52:45,411 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 39 47) no Hoare annotation was computed. [2021-12-17 07:52:45,411 INFO L854 garLoopResultBuilder]: At program point L155(lines 147 156) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= |ULTIMATE.start___ieee754_log10f_#res#1| .cse0) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_isinf_float_#res#1| (_ bv1 32)) (= |ULTIMATE.start_isinf_float_~x#1| .cse0) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))))) [2021-12-17 07:52:45,411 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-12-17 07:52:45,411 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 07:52:45,412 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2021-12-17 07:52:45,412 INFO L861 garLoopResultBuilder]: At program point L173(lines 158 174) the Hoare annotation is: true [2021-12-17 07:52:45,412 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2021-12-17 07:52:45,412 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 07:52:45,412 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 132) no Hoare annotation was computed. [2021-12-17 07:52:45,412 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2021-12-17 07:52:45,412 INFO L858 garLoopResultBuilder]: For program point L58(lines 58 74) no Hoare annotation was computed. [2021-12-17 07:52:45,412 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2021-12-17 07:52:45,413 INFO L854 garLoopResultBuilder]: At program point L149-2(lines 149 153) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= |ULTIMATE.start___ieee754_log10f_#res#1| .cse0) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_isinf_float_~x#1| .cse0) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))))) [2021-12-17 07:52:45,413 INFO L858 garLoopResultBuilder]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2021-12-17 07:52:45,413 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 42 46) no Hoare annotation was computed. [2021-12-17 07:52:45,413 INFO L854 garLoopResultBuilder]: At program point L42-2(lines 42 46) the Hoare annotation is: false [2021-12-17 07:52:45,413 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2021-12-17 07:52:45,413 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2021-12-17 07:52:45,413 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 30) the Hoare annotation is: false [2021-12-17 07:52:45,413 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2021-12-17 07:52:45,414 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2021-12-17 07:52:45,414 INFO L854 garLoopResultBuilder]: At program point L51-2(lines 51 55) the Hoare annotation is: false [2021-12-17 07:52:45,414 INFO L858 garLoopResultBuilder]: For program point L51-3(lines 51 55) no Hoare annotation was computed. [2021-12-17 07:52:45,414 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 73) no Hoare annotation was computed. [2021-12-17 07:52:45,414 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 36) no Hoare annotation was computed. [2021-12-17 07:52:45,423 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-17 07:52:45,424 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:52:45,436 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,437 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,442 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,443 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,443 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,443 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,443 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,443 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,444 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,448 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,461 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,463 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,463 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,463 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:52:45 BoogieIcfgContainer [2021-12-17 07:52:45,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:52:45,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:52:45,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:52:45,483 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:52:45,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:15" (3/4) ... [2021-12-17 07:52:45,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 07:52:45,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-12-17 07:52:45,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-12-17 07:52:45,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 07:52:45,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 07:52:45,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((two25_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) [2021-12-17 07:52:45,524 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((two25_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) [2021-12-17 07:52:45,524 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((two25_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) [2021-12-17 07:52:45,561 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 07:52:45,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:52:45,563 INFO L158 Benchmark]: Toolchain (without parser) took 46626.83ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 27.5MB in the beginning and 34.0MB in the end (delta: -6.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-12-17 07:52:45,563 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:52:45,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.13ms. Allocated memory is still 50.3MB. Free memory was 27.3MB in the beginning and 24.9MB in the end (delta: 2.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-17 07:52:45,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.43ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.9MB in the beginning and 44.3MB in the end (delta: -19.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-17 07:52:45,566 INFO L158 Benchmark]: Boogie Preprocessor took 50.14ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 42.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:52:45,566 INFO L158 Benchmark]: RCFGBuilder took 16277.19ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 40.6MB in the end (delta: 1.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 07:52:45,566 INFO L158 Benchmark]: TraceAbstraction took 29900.99ms. Allocated memory is still 60.8MB. Free memory was 39.9MB in the beginning and 40.0MB in the end (delta: -131.7kB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-12-17 07:52:45,567 INFO L158 Benchmark]: Witness Printer took 79.91ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 34.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:52:45,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.13ms. Allocated memory is still 50.3MB. Free memory was 27.3MB in the beginning and 24.9MB in the end (delta: 2.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.43ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.9MB in the beginning and 44.3MB in the end (delta: -19.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.14ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 42.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16277.19ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 40.6MB in the end (delta: 1.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 29900.99ms. Allocated memory is still 60.8MB. Free memory was 39.9MB in the beginning and 40.0MB in the end (delta: -131.7kB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 79.91ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 34.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 169]: 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, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 24.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 317 SdHoareTripleChecker+Invalid, 24.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 105 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 142 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 15 NumberOfNonLiveVariables, 190 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant [2021-12-17 07:52:45,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,601 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,601 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,601 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,602 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((two25_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant [2021-12-17 07:52:45,603 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,603 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((two25_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant [2021-12-17 07:52:45,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((two25_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant [2021-12-17 07:52:45,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:52:45,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((two25_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 07:52:45,783 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