./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_1052d_true-unreach-call.c --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/float-newlib/float_req_bl_1052d_true-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8314f0a25d0cae1024b24eed74020923c3a8036e .................................................................................................................................................................................................................................................................................. 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/float-newlib/float_req_bl_1052d_true-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8314f0a25d0cae1024b24eed74020923c3a8036e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:15:56,625 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:15:56,626 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:15:56,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:15:56,639 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:15:56,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:15:56,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:15:56,644 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:15:56,646 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:15:56,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:15:56,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:15:56,648 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:15:56,649 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:15:56,650 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:15:56,651 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:15:56,652 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:15:56,653 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:15:56,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:15:56,658 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:15:56,659 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:15:56,661 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:15:56,662 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:15:56,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:15:56,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:15:56,666 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:15:56,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:15:56,668 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:15:56,669 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:15:56,670 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:15:56,671 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:15:56,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:15:56,672 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:15:56,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:15:56,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:15:56,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:15:56,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:15:56,676 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:15:56,691 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:15:56,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:15:56,693 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:15:56,694 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:15:56,694 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:15:56,694 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:15:56,694 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:15:56,694 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:15:56,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:15:56,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:15:56,695 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:15:56,695 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:15:56,695 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:15:56,695 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:15:56,695 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:15:56,697 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:15:56,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:15:56,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:15:56,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:15:56,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:15:56,698 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:15:56,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:15:56,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:15:56,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:15:56,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:15:56,700 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:15:56,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:15:56,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:15:56,700 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 -> 8314f0a25d0cae1024b24eed74020923c3a8036e [2019-01-12 09:15:56,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:15:56,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:15:56,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:15:56,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:15:56,770 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:15:56,771 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1052d_true-unreach-call.c [2019-01-12 09:15:56,832 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e0adbcc/5161077dd94d471c98221318a98c3980/FLAG326fbec12 [2019-01-12 09:15:57,264 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:15:57,264 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1052d_true-unreach-call.c [2019-01-12 09:15:57,271 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e0adbcc/5161077dd94d471c98221318a98c3980/FLAG326fbec12 [2019-01-12 09:15:57,638 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e0adbcc/5161077dd94d471c98221318a98c3980 [2019-01-12 09:15:57,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:15:57,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:15:57,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:15:57,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:15:57,648 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:15:57,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:15:57" (1/1) ... [2019-01-12 09:15:57,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152ee249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:57, skipping insertion in model container [2019-01-12 09:15:57,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:15:57" (1/1) ... [2019-01-12 09:15:57,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:15:57,693 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:15:57,922 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:15:57,929 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:15:57,978 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:15:58,010 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:15:58,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58 WrapperNode [2019-01-12 09:15:58,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:15:58,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:15:58,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:15:58,013 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:15:58,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:15:58,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:15:58,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:15:58,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:15:58,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (1/1) ... [2019-01-12 09:15:58,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:15:58,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:15:58,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:15:58,147 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:15:58,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (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 09:15:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:15:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:15:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:15:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:15:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:15:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:15:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:15:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:15:58,688 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:15:58,689 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:15:58,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:58 BoogieIcfgContainer [2019-01-12 09:15:58,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:15:58,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:15:58,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:15:58,694 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:15:58,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:15:57" (1/3) ... [2019-01-12 09:15:58,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2792d213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:15:58, skipping insertion in model container [2019-01-12 09:15:58,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:58" (2/3) ... [2019-01-12 09:15:58,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2792d213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:15:58, skipping insertion in model container [2019-01-12 09:15:58,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:58" (3/3) ... [2019-01-12 09:15:58,698 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052d_true-unreach-call.c [2019-01-12 09:15:58,708 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:15:58,716 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:15:58,733 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:15:58,762 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:15:58,763 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:15:58,763 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:15:58,763 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:15:58,763 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:15:58,763 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:15:58,764 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:15:58,764 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:15:58,764 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:15:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-12 09:15:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:15:58,786 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:58,787 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:58,789 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:58,796 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-01-12 09:15:58,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:15:58,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:15:58,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:15:58,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:15:58,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:15:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:15:58,903 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 09:15:58,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:15:58,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:15:58,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:15:58,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:15:58,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:15:58,922 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-01-12 09:15:58,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:15:58,938 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-01-12 09:15:58,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:15:58,940 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:15:58,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:15:58,950 INFO L225 Difference]: With dead ends: 58 [2019-01-12 09:15:58,950 INFO L226 Difference]: Without dead ends: 27 [2019-01-12 09:15:58,953 INFO L631 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 [2019-01-12 09:15:58,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-12 09:15:58,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-12 09:15:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-12 09:15:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-01-12 09:15:58,984 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-01-12 09:15:58,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:15:58,984 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-01-12 09:15:58,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:15:58,985 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-01-12 09:15:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:15:58,985 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:58,985 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:58,986 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:58,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:58,986 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-01-12 09:15:58,986 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:15:58,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:15:58,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:15:58,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:15:58,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:15:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:15:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:15:59,087 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:15:59,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:15:59 BoogieIcfgContainer [2019-01-12 09:15:59,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:15:59,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:15:59,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:15:59,116 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:15:59,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:58" (3/4) ... [2019-01-12 09:15:59,120 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:15:59,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:15:59,122 INFO L168 Benchmark]: Toolchain (without parser) took 1479.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:59,125 INFO L168 Benchmark]: CDTParser took 0.18 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 09:15:59,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.39 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 09:15:59,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.49 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 09:15:59,127 INFO L168 Benchmark]: Boogie Preprocessor took 87.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -208.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:59,128 INFO L168 Benchmark]: RCFGBuilder took 543.93 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:59,129 INFO L168 Benchmark]: TraceAbstraction took 424.13 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:59,131 INFO L168 Benchmark]: Witness Printer took 5.31 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 09:15:59,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 367.39 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 45.49 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. * Boogie Preprocessor took 87.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -208.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 543.93 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 424.13 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.31 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: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_floor = 1.0e30; VAL [huge_floor=1000000000000000000000000000000] [L75] float x = 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_floor=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_floor=1000000000000000000000000000000] [L76] float res = floor_float(x); [L79] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_floor=1000000000000000000000000000000] [L79] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L80] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=30occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 09:16:01,402 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:16:01,403 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:16:01,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:16:01,421 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:16:01,424 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:16:01,426 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:16:01,427 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:16:01,432 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:16:01,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:16:01,434 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:16:01,435 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:16:01,437 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:16:01,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:16:01,442 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:16:01,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:16:01,450 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:16:01,452 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:16:01,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:16:01,461 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:16:01,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:16:01,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:16:01,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:16:01,466 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:16:01,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:16:01,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:16:01,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:16:01,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:16:01,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:16:01,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:16:01,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:16:01,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:16:01,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:16:01,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:16:01,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:16:01,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:16:01,475 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:16:01,498 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:16:01,498 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:16:01,499 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:16:01,500 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:16:01,500 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:16:01,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:16:01,501 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:16:01,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:16:01,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:16:01,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:16:01,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:16:01,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:16:01,502 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:16:01,502 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:16:01,502 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:16:01,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:16:01,502 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:16:01,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:16:01,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:16:01,505 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:16:01,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:16:01,505 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:16:01,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:16:01,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:16:01,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:16:01,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:16:01,506 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:16:01,507 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:16:01,507 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:16:01,507 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:16:01,507 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 -> 8314f0a25d0cae1024b24eed74020923c3a8036e [2019-01-12 09:16:01,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:16:01,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:16:01,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:16:01,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:16:01,580 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:16:01,581 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1052d_true-unreach-call.c [2019-01-12 09:16:01,642 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c7a901c/250e1d44165c4c43a15714b7d15e291a/FLAGb37ec3939 [2019-01-12 09:16:02,171 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:16:02,172 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1052d_true-unreach-call.c [2019-01-12 09:16:02,178 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c7a901c/250e1d44165c4c43a15714b7d15e291a/FLAGb37ec3939 [2019-01-12 09:16:02,488 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c7a901c/250e1d44165c4c43a15714b7d15e291a [2019-01-12 09:16:02,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:16:02,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:16:02,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:02,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:16:02,497 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:16:02,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a838c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02, skipping insertion in model container [2019-01-12 09:16:02,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:16:02,536 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:16:02,729 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:02,740 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:16:02,783 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:02,817 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:16:02,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02 WrapperNode [2019-01-12 09:16:02,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:02,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:02,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:16:02,819 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:16:02,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:02,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:16:02,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:16:02,862 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:16:02,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (1/1) ... [2019-01-12 09:16:02,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:16:02,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:16:02,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:16:02,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:16:02,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (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 09:16:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:16:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:16:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:16:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:16:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:16:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:16:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:16:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:16:03,253 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:16:03,421 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:16:03,823 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:16:03,823 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:16:03,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:03 BoogieIcfgContainer [2019-01-12 09:16:03,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:16:03,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:16:03,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:16:03,829 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:16:03,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:16:02" (1/3) ... [2019-01-12 09:16:03,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f13ae96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:03, skipping insertion in model container [2019-01-12 09:16:03,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:02" (2/3) ... [2019-01-12 09:16:03,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f13ae96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:03, skipping insertion in model container [2019-01-12 09:16:03,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:03" (3/3) ... [2019-01-12 09:16:03,832 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052d_true-unreach-call.c [2019-01-12 09:16:03,841 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:16:03,848 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:16:03,865 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:16:03,890 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:16:03,890 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:16:03,890 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:16:03,891 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:16:03,891 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:16:03,891 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:16:03,891 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:16:03,892 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:16:03,892 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:16:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-12 09:16:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:16:03,910 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:03,911 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:03,913 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:03,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:03,918 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-01-12 09:16:03,922 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:03,923 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) [2019-01-12 09:16:03,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:03,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:03,997 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 09:16:03,997 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:04,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:04,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:16:04,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:16:04,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:16:04,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:04,026 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-01-12 09:16:04,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:04,042 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-01-12 09:16:04,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:16:04,044 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:16:04,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:04,055 INFO L225 Difference]: With dead ends: 58 [2019-01-12 09:16:04,055 INFO L226 Difference]: Without dead ends: 27 [2019-01-12 09:16:04,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:04,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-12 09:16:04,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-12 09:16:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-12 09:16:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-01-12 09:16:04,087 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-01-12 09:16:04,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:04,088 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-01-12 09:16:04,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:16:04,088 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-01-12 09:16:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:16:04,089 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:04,089 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:04,089 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:04,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:04,090 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-01-12 09:16:04,090 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:04,090 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:04,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:04,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:04,309 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 09:16:04,310 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:04,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:04,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:16:04,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:16:04,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:16:04,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:16:04,325 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 5 states. [2019-01-12 09:16:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:04,735 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2019-01-12 09:16:04,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:16:04,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-12 09:16:04,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:04,738 INFO L225 Difference]: With dead ends: 39 [2019-01-12 09:16:04,738 INFO L226 Difference]: Without dead ends: 21 [2019-01-12 09:16:04,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:16:04,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-12 09:16:04,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-12 09:16:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-12 09:16:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-12 09:16:04,745 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2019-01-12 09:16:04,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:04,745 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-12 09:16:04,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:16:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-12 09:16:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-12 09:16:04,746 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:04,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:04,747 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:04,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:04,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2019-01-12 09:16:04,748 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:04,748 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2019-01-12 09:16:04,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:04,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:04,868 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 09:16:04,868 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:04,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:04,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:16:04,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:16:04,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:16:04,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:16:04,881 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2019-01-12 09:16:04,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:04,941 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-01-12 09:16:04,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:16:04,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-01-12 09:16:04,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:04,942 INFO L225 Difference]: With dead ends: 33 [2019-01-12 09:16:04,943 INFO L226 Difference]: Without dead ends: 21 [2019-01-12 09:16:04,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:16:04,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-12 09:16:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-12 09:16:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-12 09:16:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-01-12 09:16:04,950 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2019-01-12 09:16:04,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:04,951 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-01-12 09:16:04,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:16:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-01-12 09:16:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 09:16:04,952 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:04,952 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:04,952 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:04,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:04,952 INFO L82 PathProgramCache]: Analyzing trace with hash 879764433, now seen corresponding path program 1 times [2019-01-12 09:16:04,953 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:04,953 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:04,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:05,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:05,310 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 09:16:05,310 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:05,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:05,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:16:05,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:16:05,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:16:05,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:16:05,323 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2019-01-12 09:16:05,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:05,610 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-01-12 09:16:05,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:16:05,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-01-12 09:16:05,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:05,613 INFO L225 Difference]: With dead ends: 24 [2019-01-12 09:16:05,613 INFO L226 Difference]: Without dead ends: 21 [2019-01-12 09:16:05,614 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:16:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-12 09:16:05,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-12 09:16:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-12 09:16:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-01-12 09:16:05,621 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-01-12 09:16:05,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:05,622 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-01-12 09:16:05,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:16:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-01-12 09:16:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-12 09:16:05,623 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:05,624 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:05,624 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:05,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:05,624 INFO L82 PathProgramCache]: Analyzing trace with hash -733783834, now seen corresponding path program 1 times [2019-01-12 09:16:05,625 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:05,625 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:05,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:05,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:05,907 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 09:16:05,908 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:05,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:05,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-12 09:16:05,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-12 09:16:05,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-12 09:16:05,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-01-12 09:16:05,920 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2019-01-12 09:16:06,542 WARN L181 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-12 09:16:06,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:06,721 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-01-12 09:16:06,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 09:16:06,722 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2019-01-12 09:16:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:06,723 INFO L225 Difference]: With dead ends: 21 [2019-01-12 09:16:06,723 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:16:06,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-01-12 09:16:06,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:16:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:16:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:16:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:16:06,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-01-12 09:16:06,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:06,726 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:16:06,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-12 09:16:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:16:06,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:16:06,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:16:06,942 WARN L181 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-01-12 09:16:07,060 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-01-12 09:16:07,182 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-01-12 09:16:07,186 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 47) no Hoare annotation was computed. [2019-01-12 09:16:07,186 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 52) no Hoare annotation was computed. [2019-01-12 09:16:07,186 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2019-01-12 09:16:07,186 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2019-01-12 09:16:07,186 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2019-01-12 09:16:07,187 INFO L444 ceAbstractionStarter]: At program point L65(lines 56 66) the Hoare annotation is: (let ((.cse0 (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_floor~0) (= (_ bv0 32) ULTIMATE.start_floor_float_~i0~0) (= .cse0 |ULTIMATE.start_floor_float_#res|) (= ULTIMATE.start___signbit_float_~x .cse0) |ULTIMATE.start_main_#t~short8| (= (_ bv0 32) |ULTIMATE.start___signbit_float_#res|) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0))) (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_floor_float_~j0~0))) (= ULTIMATE.start_floor_float_~x .cse0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (= .cse0 ULTIMATE.start_main_~res~0))) [2019-01-12 09:16:07,187 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:16:07,187 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:16:07,187 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:16:07,187 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-01-12 09:16:07,188 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 41) no Hoare annotation was computed. [2019-01-12 09:16:07,188 INFO L444 ceAbstractionStarter]: At program point L53(lines 13 54) the Hoare annotation is: (let ((.cse0 (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_floor~0) (= (_ bv0 32) ULTIMATE.start_floor_float_~i0~0) (= .cse0 |ULTIMATE.start_floor_float_#res|) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0))) (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_floor_float_~j0~0))) (= ULTIMATE.start_floor_float_~x .cse0))) [2019-01-12 09:16:07,188 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-01-12 09:16:07,188 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_floor~0) (= ULTIMATE.start_floor_float_~x (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)))) [2019-01-12 09:16:07,188 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-01-12 09:16:07,189 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-01-12 09:16:07,189 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2019-01-12 09:16:07,189 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:16:07,189 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-01-12 09:16:07,189 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-01-12 09:16:07,189 INFO L448 ceAbstractionStarter]: For program point L79-2(lines 79 82) no Hoare annotation was computed. [2019-01-12 09:16:07,189 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-01-12 09:16:07,189 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-01-12 09:16:07,190 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2019-01-12 09:16:07,190 INFO L444 ceAbstractionStarter]: At program point L59-2(lines 59 63) the Hoare annotation is: (let ((.cse0 (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_floor~0) (= (_ bv0 32) ULTIMATE.start_floor_float_~i0~0) (= .cse0 |ULTIMATE.start_floor_float_#res|) (= ULTIMATE.start___signbit_float_~x .cse0) |ULTIMATE.start_main_#t~short8| (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0))) (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_floor_float_~j0~0))) (= ULTIMATE.start_floor_float_~x .cse0) (= .cse0 ULTIMATE.start_main_~res~0))) [2019-01-12 09:16:07,190 INFO L448 ceAbstractionStarter]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2019-01-12 09:16:07,190 INFO L451 ceAbstractionStarter]: At program point L84(lines 68 85) the Hoare annotation is: true [2019-01-12 09:16:07,190 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2019-01-12 09:16:07,191 INFO L448 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-01-12 09:16:07,193 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 46) no Hoare annotation was computed. [2019-01-12 09:16:07,200 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,206 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,206 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,207 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,207 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,207 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,207 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,209 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,210 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,212 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,212 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,214 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,214 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,215 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,215 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,215 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,218 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,218 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:16:07 BoogieIcfgContainer [2019-01-12 09:16:07,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:16:07,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:16:07,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:16:07,222 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:16:07,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:03" (3/4) ... [2019-01-12 09:16:07,227 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:16:07,240 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-12 09:16:07,240 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:16:07,240 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:16:07,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_floor && 0bv32 == i0) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == \result) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0)) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) [2019-01-12 09:16:07,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_floor && 0bv32 == i0) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == \result) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0)) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == res [2019-01-12 09:16:07,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_floor && 0bv32 == i0) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == \result) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && 0bv32 == \result) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0)) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == res [2019-01-12 09:16:07,306 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:16:07,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:16:07,307 INFO L168 Benchmark]: Toolchain (without parser) took 4816.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.3 MB in the beginning and 940.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:07,309 INFO L168 Benchmark]: CDTParser took 0.18 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 09:16:07,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.86 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:07,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.09 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:07,310 INFO L168 Benchmark]: Boogie Preprocessor took 108.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:07,313 INFO L168 Benchmark]: RCFGBuilder took 854.53 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:07,315 INFO L168 Benchmark]: TraceAbstraction took 3396.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.4 MB in the end (delta: 154.1 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:07,316 INFO L168 Benchmark]: Witness Printer took 84.40 ms. Allocated memory is still 1.2 GB. Free memory was 947.4 MB in the beginning and 940.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:07,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 324.86 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 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 43.09 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 108.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 854.53 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3396.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.4 MB in the end (delta: 154.1 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. * Witness Printer took 84.40 ms. Allocated memory is still 1.2 GB. Free memory was 947.4 MB in the beginning and 940.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: 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: 13]: Loop Invariant [2019-01-12 09:16:07,330 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,331 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,332 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,332 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] Derived loop invariant: (((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_floor && 0bv32 == i0) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == \result) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0)) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) - InvariantResult [Line: 56]: Loop Invariant [2019-01-12 09:16:07,334 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,334 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,336 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,337 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] Derived loop invariant: ((((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_floor && 0bv32 == i0) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == \result) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && 0bv32 == \result) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0)) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == res - InvariantResult [Line: 16]: Loop Invariant [2019-01-12 09:16:07,338 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,339 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,339 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,339 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_floor && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) - InvariantResult [Line: 59]: Loop Invariant [2019-01-12 09:16:07,340 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,340 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,341 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,342 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:07,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-01-12 09:16:07,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] Derived loop invariant: ((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_floor && 0bv32 == i0) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == \result) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0)) && x == ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23)) && ~fp~LONGDOUBLE(0bv1, 0bv8, 0bv23) == res - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 90 SDtfs, 154 SDslu, 63 SDs, 0 SdLazy, 97 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 185 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 39 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 67 ConstructedInterpolants, 1 QuantifiedInterpolants, 3481 SizeOfPredicates, 23 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...