./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 ..................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:55:29,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:55:29,953 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:55:29,966 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:55:29,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:55:29,967 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:55:29,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:55:29,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:55:29,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:55:29,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:55:29,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:55:29,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:55:29,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:55:29,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:55:29,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:55:29,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:55:29,982 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:55:29,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:55:29,986 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:55:29,988 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:55:29,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:55:29,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:55:29,993 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:55:29,994 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:55:29,994 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:55:29,995 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:55:29,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:55:29,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:55:29,999 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:55:30,001 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:55:30,001 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:55:30,002 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:55:30,003 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:55:30,007 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:55:30,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:55:30,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:55:30,010 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:55:30,026 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:55:30,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:55:30,027 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:55:30,027 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:55:30,027 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:55:30,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:55:30,028 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:55:30,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:55:30,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:55:30,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:55:30,029 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:55:30,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:55:30,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:55:30,030 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:55:30,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:55:30,031 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:55:30,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:55:30,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:55:30,031 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:55:30,031 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:55:30,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:55:30,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:55:30,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:55:30,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:55:30,033 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:55:30,033 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:55:30,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:55:30,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:55:30,035 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2019-01-12 07:55:30,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:55:30,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:55:30,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:55:30,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:55:30,093 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:55:30,094 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2019-01-12 07:55:30,148 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa652f9d8/343cc1994a2e4e04927fc3dfd5ec8410/FLAG02ff222b5 [2019-01-12 07:55:30,572 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:55:30,573 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2019-01-12 07:55:30,577 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa652f9d8/343cc1994a2e4e04927fc3dfd5ec8410/FLAG02ff222b5 [2019-01-12 07:55:30,932 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa652f9d8/343cc1994a2e4e04927fc3dfd5ec8410 [2019-01-12 07:55:30,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:55:30,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:55:30,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:55:30,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:55:30,944 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:55:30,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:55:30" (1/1) ... [2019-01-12 07:55:30,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1376443b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:30, skipping insertion in model container [2019-01-12 07:55:30,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:55:30" (1/1) ... [2019-01-12 07:55:30,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:55:30,977 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:55:31,238 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:55:31,246 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:55:31,279 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:55:31,294 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:55:31,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31 WrapperNode [2019-01-12 07:55:31,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:55:31,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:55:31,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:55:31,297 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:55:31,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:55:31,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:55:31,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:55:31,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:55:31,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... [2019-01-12 07:55:31,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:55:31,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:55:31,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:55:31,359 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:55:31,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:55:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:55:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:55:31,683 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:55:31,683 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-12 07:55:31,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:55:31 BoogieIcfgContainer [2019-01-12 07:55:31,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:55:31,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:55:31,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:55:31,688 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:55:31,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:55:30" (1/3) ... [2019-01-12 07:55:31,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7304901e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:55:31, skipping insertion in model container [2019-01-12 07:55:31,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:31" (2/3) ... [2019-01-12 07:55:31,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7304901e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:55:31, skipping insertion in model container [2019-01-12 07:55:31,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:55:31" (3/3) ... [2019-01-12 07:55:31,692 INFO L112 eAbstractionObserver]: Analyzing ICFG float-to-double2_true-unreach-call_true-termination.i [2019-01-12 07:55:31,702 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:55:31,710 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:55:31,724 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:55:31,754 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:55:31,755 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:55:31,755 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:55:31,756 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:55:31,756 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:55:31,756 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:55:31,756 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:55:31,756 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:55:31,756 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:55:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-01-12 07:55:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-12 07:55:31,777 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:55:31,778 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-12 07:55:31,780 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:55:31,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:55:31,787 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-01-12 07:55:31,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 07:55:31,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 07:55:31,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:55:31,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:55:31,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:55:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:55:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:55:31,877 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:55:31,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:55:31 BoogieIcfgContainer [2019-01-12 07:55:31,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:55:31,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:55:31,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:55:31,896 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:55:31,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:55:31" (3/4) ... [2019-01-12 07:55:31,900 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 07:55:31,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:55:31,901 INFO L168 Benchmark]: Toolchain (without parser) took 964.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:31,904 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:31,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.24 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:31,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.04 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:31,907 INFO L168 Benchmark]: Boogie Preprocessor took 20.31 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:31,907 INFO L168 Benchmark]: RCFGBuilder took 325.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:31,909 INFO L168 Benchmark]: TraceAbstraction took 209.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:31,910 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:31,915 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.24 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.04 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.31 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 325.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 209.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9, overapproximation of someUnaryDOUBLEoperation at line 6, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L5] float f = -0x1.0p-127f; [L6] double d = -0x1.0p-127; [L7] double fp = (double)f; [L9] COND TRUE !(d == fp) [L9] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:55:34,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:55:34,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:55:34,230 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:55:34,230 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:55:34,231 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:55:34,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:55:34,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:55:34,239 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:55:34,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:55:34,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:55:34,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:55:34,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:55:34,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:55:34,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:55:34,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:55:34,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:55:34,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:55:34,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:55:34,266 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:55:34,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:55:34,271 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:55:34,274 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:55:34,275 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:55:34,275 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:55:34,276 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:55:34,277 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:55:34,277 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:55:34,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:55:34,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:55:34,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:55:34,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:55:34,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:55:34,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:55:34,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:55:34,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:55:34,282 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:55:34,301 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:55:34,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:55:34,303 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:55:34,303 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:55:34,303 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:55:34,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:55:34,303 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:55:34,304 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:55:34,307 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:55:34,307 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:55:34,307 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:55:34,307 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:55:34,307 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:55:34,308 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:55:34,308 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:55:34,308 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:55:34,308 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:55:34,308 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:55:34,309 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:55:34,311 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:55:34,311 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:55:34,311 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:55:34,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:55:34,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:55:34,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:55:34,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:55:34,312 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:55:34,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:55:34,313 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:55:34,313 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:55:34,313 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2019-01-12 07:55:34,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:55:34,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:55:34,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:55:34,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:55:34,382 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:55:34,383 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2019-01-12 07:55:34,438 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d86faec5/df87aaa0ced04712a67c07a19cebee3b/FLAGce93360f3 [2019-01-12 07:55:34,826 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:55:34,827 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2019-01-12 07:55:34,833 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d86faec5/df87aaa0ced04712a67c07a19cebee3b/FLAGce93360f3 [2019-01-12 07:55:35,215 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d86faec5/df87aaa0ced04712a67c07a19cebee3b [2019-01-12 07:55:35,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:55:35,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:55:35,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:55:35,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:55:35,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:55:35,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1208df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35, skipping insertion in model container [2019-01-12 07:55:35,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:55:35,249 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:55:35,415 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:55:35,426 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:55:35,447 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:55:35,463 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:55:35,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35 WrapperNode [2019-01-12 07:55:35,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:55:35,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:55:35,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:55:35,465 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:55:35,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:55:35,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:55:35,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:55:35,509 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:55:35,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... [2019-01-12 07:55:35,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:55:35,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:55:35,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:55:35,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:55:35,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:55:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:55:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:55:35,893 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:55:35,893 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-12 07:55:35,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:55:35 BoogieIcfgContainer [2019-01-12 07:55:35,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:55:35,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:55:35,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:55:35,899 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:55:35,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:55:35" (1/3) ... [2019-01-12 07:55:35,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64843f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:55:35, skipping insertion in model container [2019-01-12 07:55:35,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:35" (2/3) ... [2019-01-12 07:55:35,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64843f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:55:35, skipping insertion in model container [2019-01-12 07:55:35,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:55:35" (3/3) ... [2019-01-12 07:55:35,903 INFO L112 eAbstractionObserver]: Analyzing ICFG float-to-double2_true-unreach-call_true-termination.i [2019-01-12 07:55:35,910 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:55:35,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:55:35,929 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:55:35,957 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:55:35,958 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:55:35,958 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:55:35,958 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:55:35,959 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:55:35,959 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:55:35,959 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:55:35,959 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:55:35,959 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:55:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-01-12 07:55:35,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-12 07:55:35,980 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:55:35,981 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-12 07:55:35,983 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:55:35,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:55:35,989 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-01-12 07:55:35,994 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:55:35,994 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 07:55:36,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:55:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:55:36,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:55:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:55:36,189 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:55:36,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:55:36,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:55:36,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:55:36,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:55:36,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:55:36,231 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-01-12 07:55:36,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:55:36,257 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-01-12 07:55:36,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:55:36,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-12 07:55:36,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:55:36,266 INFO L225 Difference]: With dead ends: 13 [2019-01-12 07:55:36,266 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 07:55:36,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:55:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 07:55:36,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 07:55:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 07:55:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 07:55:36,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-01-12 07:55:36,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:55:36,293 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 07:55:36,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:55:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 07:55:36,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 07:55:36,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 07:55:36,371 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 07:55:36,371 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 07:55:36,371 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 07:55:36,371 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-01-12 07:55:36,372 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 07:55:36,372 INFO L444 ceAbstractionStarter]: At program point L11(lines 3 12) the Hoare annotation is: (and (= (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 170141183460469231731687303715884105728.0))) ULTIMATE.start_main_~d~0) (= ULTIMATE.start_main_~fp~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 170141183460469231731687303715884105728.0)))))) [2019-01-12 07:55:36,372 INFO L448 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2019-01-12 07:55:36,374 INFO L448 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-01-12 07:55:36,374 INFO L448 ceAbstractionStarter]: For program point L9-3(line 9) no Hoare annotation was computed. [2019-01-12 07:55:36,388 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,390 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,390 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,393 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,397 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,398 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:55:36 BoogieIcfgContainer [2019-01-12 07:55:36,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:55:36,401 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:55:36,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:55:36,401 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:55:36,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:55:35" (3/4) ... [2019-01-12 07:55:36,406 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 07:55:36,424 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-12 07:55:36,425 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 07:55:36,425 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 07:55:36,477 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:55:36,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:55:36,478 INFO L168 Benchmark]: Toolchain (without parser) took 1259.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:36,480 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:36,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.67 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:36,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.18 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:36,483 INFO L168 Benchmark]: Boogie Preprocessor took 40.49 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:36,484 INFO L168 Benchmark]: RCFGBuilder took 344.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:36,485 INFO L168 Benchmark]: TraceAbstraction took 504.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-01-12 07:55:36,486 INFO L168 Benchmark]: Witness Printer took 76.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:55:36,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.67 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.18 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.49 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 344.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 504.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 76.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant [2019-01-12 07:55:36,502 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,502 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,502 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,505 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,505 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:55:36,505 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/170141183460469231731687303715884105728)) == d && fp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/170141183460469231731687303715884105728))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 15 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...