./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0680b_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_0680b_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 a08e98589992bcd32695ff0fd47c826511b7c0fa .......................................................................................................................................................................................................................................................................................................... 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_0680b_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 a08e98589992bcd32695ff0fd47c826511b7c0fa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:12:18,766 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:12:18,768 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:12:18,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:12:18,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:12:18,782 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:12:18,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:12:18,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:12:18,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:12:18,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:12:18,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:12:18,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:12:18,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:12:18,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:12:18,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:12:18,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:12:18,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:12:18,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:12:18,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:12:18,802 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:12:18,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:12:18,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:12:18,807 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:12:18,807 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:12:18,807 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:12:18,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:12:18,810 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:12:18,811 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:12:18,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:12:18,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:12:18,814 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:12:18,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:12:18,815 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:12:18,815 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:12:18,816 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:12:18,817 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:12:18,817 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:12:18,833 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:12:18,834 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:12:18,835 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:12:18,835 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:12:18,836 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:12:18,836 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:12:18,836 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:12:18,836 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:12:18,836 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:12:18,837 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:12:18,838 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:12:18,838 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:12:18,838 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:12:18,838 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:12:18,838 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:12:18,838 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:12:18,839 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:12:18,839 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:12:18,839 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:12:18,839 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:12:18,839 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:12:18,840 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:12:18,841 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:12:18,841 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:12:18,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:12:18,845 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:12:18,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:12:18,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:12:18,846 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 -> a08e98589992bcd32695ff0fd47c826511b7c0fa [2019-01-12 09:12:18,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:12:18,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:12:18,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:12:18,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:12:18,927 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:12:18,929 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0680b_true-unreach-call.c [2019-01-12 09:12:18,994 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a55330d/d54baee1993c4ca1bbb2866384df6c39/FLAG228b2b915 [2019-01-12 09:12:19,507 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:12:19,508 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0680b_true-unreach-call.c [2019-01-12 09:12:19,516 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a55330d/d54baee1993c4ca1bbb2866384df6c39/FLAG228b2b915 [2019-01-12 09:12:19,832 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a55330d/d54baee1993c4ca1bbb2866384df6c39 [2019-01-12 09:12:19,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:12:19,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:12:19,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:12:19,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:12:19,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:12:19,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:12:19" (1/1) ... [2019-01-12 09:12:19,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c80fa89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:19, skipping insertion in model container [2019-01-12 09:12:19,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:12:19" (1/1) ... [2019-01-12 09:12:19,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:12:19,891 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:12:20,173 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:12:20,182 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:12:20,242 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:12:20,272 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:12:20,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20 WrapperNode [2019-01-12 09:12:20,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:12:20,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:12:20,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:12:20,274 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:12:20,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:12:20,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:12:20,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:12:20,423 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:12:20,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (1/1) ... [2019-01-12 09:12:20,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:12:20,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:12:20,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:12:20,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:12:20,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (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 09:12:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:12:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:12:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:12:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:12:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:12:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:12:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:12:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-01-12 09:12:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:12:21,799 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:12:21,799 INFO L286 CfgBuilder]: Removed 40 assue(true) statements. [2019-01-12 09:12:21,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:12:21 BoogieIcfgContainer [2019-01-12 09:12:21,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:12:21,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:12:21,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:12:21,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:12:21,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:12:19" (1/3) ... [2019-01-12 09:12:21,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c6f347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:12:21, skipping insertion in model container [2019-01-12 09:12:21,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:20" (2/3) ... [2019-01-12 09:12:21,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c6f347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:12:21, skipping insertion in model container [2019-01-12 09:12:21,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:12:21" (3/3) ... [2019-01-12 09:12:21,809 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b_true-unreach-call.c [2019-01-12 09:12:21,818 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:12:21,825 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:12:21,841 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:12:21,872 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:12:21,873 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:12:21,873 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:12:21,874 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:12:21,874 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:12:21,874 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:12:21,874 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:12:21,874 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:12:21,875 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:12:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-01-12 09:12:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:12:21,898 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:12:21,899 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:12:21,901 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:12:21,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:12:21,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2019-01-12 09:12:21,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:12:21,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:12:21,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:12:21,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:12:21,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:12:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:12:22,043 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 09:12:22,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:12:22,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:12:22,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:12:22,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:12:22,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:12:22,062 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-01-12 09:12:22,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:12:22,091 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2019-01-12 09:12:22,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:12:22,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:12:22,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:12:22,105 INFO L225 Difference]: With dead ends: 216 [2019-01-12 09:12:22,105 INFO L226 Difference]: Without dead ends: 106 [2019-01-12 09:12:22,108 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 09:12:22,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-01-12 09:12:22,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-01-12 09:12:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-12 09:12:22,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2019-01-12 09:12:22,149 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2019-01-12 09:12:22,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:12:22,150 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2019-01-12 09:12:22,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:12:22,150 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2019-01-12 09:12:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:12:22,152 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:12:22,152 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:12:22,152 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:12:22,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:12:22,153 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2019-01-12 09:12:22,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:12:22,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:12:22,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:12:22,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:12:22,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:12:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:12:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:12:22,402 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:12:22,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:12:22 BoogieIcfgContainer [2019-01-12 09:12:22,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:12:22,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:12:22,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:12:22,459 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:12:22,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:12:21" (3/4) ... [2019-01-12 09:12:22,465 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:12:22,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:12:22,467 INFO L168 Benchmark]: Toolchain (without parser) took 2630.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 948.7 MB in the beginning and 968.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:22,469 INFO L168 Benchmark]: CDTParser took 0.23 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 09:12:22,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.50 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:22,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -130.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:22,472 INFO L168 Benchmark]: Boogie Preprocessor took 83.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:12:22,474 INFO L168 Benchmark]: RCFGBuilder took 1295.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:22,475 INFO L168 Benchmark]: TraceAbstraction took 656.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 968.3 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:22,476 INFO L168 Benchmark]: Witness Printer took 7.21 ms. Allocated memory is still 1.1 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:12:22,481 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 435.50 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 147.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -130.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1295.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 656.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 968.3 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. * Witness Printer took 7.21 ms. Allocated memory is still 1.1 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 228]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 227, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someUnaryFLOAToperation at line 221, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L221] float x = -0.0f; [L222] float y = -0.0f; [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float res = __ieee754_atan2f(y, x); [L227] COND TRUE res != -pi VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L228] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 157 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=109occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 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 09:12:24,831 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:12:24,832 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:12:24,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:12:24,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:12:24,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:12:24,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:12:24,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:12:24,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:12:24,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:12:24,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:12:24,854 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:12:24,855 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:12:24,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:12:24,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:12:24,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:12:24,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:12:24,862 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:12:24,864 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:12:24,866 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:12:24,867 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:12:24,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:12:24,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:12:24,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:12:24,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:12:24,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:12:24,874 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:12:24,875 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:12:24,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:12:24,882 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:12:24,882 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:12:24,883 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:12:24,883 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:12:24,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:12:24,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:12:24,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:12:24,889 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:12:24,907 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:12:24,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:12:24,909 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:12:24,909 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:12:24,910 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:12:24,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:12:24,910 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:12:24,911 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:12:24,911 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:12:24,911 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:12:24,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:12:24,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:12:24,912 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:12:24,912 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:12:24,913 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:12:24,913 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:12:24,913 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:12:24,913 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:12:24,913 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:12:24,914 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:12:24,914 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:12:24,914 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:12:24,914 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:12:24,914 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:12:24,915 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:12:24,916 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:12:24,916 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:12:24,916 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:12:24,917 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:12:24,917 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:12:24,917 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 -> a08e98589992bcd32695ff0fd47c826511b7c0fa [2019-01-12 09:12:24,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:12:24,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:12:24,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:12:24,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:12:24,993 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:12:24,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0680b_true-unreach-call.c [2019-01-12 09:12:25,064 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dea0608/9beb7b3f198c4e0c9191cfc19d3613dd/FLAGc217435bc [2019-01-12 09:12:25,553 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:12:25,554 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0680b_true-unreach-call.c [2019-01-12 09:12:25,563 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dea0608/9beb7b3f198c4e0c9191cfc19d3613dd/FLAGc217435bc [2019-01-12 09:12:25,893 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dea0608/9beb7b3f198c4e0c9191cfc19d3613dd [2019-01-12 09:12:25,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:12:25,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:12:25,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:12:25,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:12:25,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:12:25,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:12:25" (1/1) ... [2019-01-12 09:12:25,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7cce9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:25, skipping insertion in model container [2019-01-12 09:12:25,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:12:25" (1/1) ... [2019-01-12 09:12:25,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:12:25,955 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:12:26,297 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:12:26,310 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:12:26,405 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:12:26,439 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:12:26,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26 WrapperNode [2019-01-12 09:12:26,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:12:26,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:12:26,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:12:26,442 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:12:26,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:12:26,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:12:26,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:12:26,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:12:26,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (1/1) ... [2019-01-12 09:12:26,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:12:26,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:12:26,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:12:26,705 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:12:26,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (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 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-01-12 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:12:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:12:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:12:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:12:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:12:27,221 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:27,628 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:27,648 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:27,728 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:27,851 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:27,877 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:28,579 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:28,620 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:47,865 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:12:48,737 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:12:48,737 INFO L286 CfgBuilder]: Removed 40 assue(true) statements. [2019-01-12 09:12:48,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:12:48 BoogieIcfgContainer [2019-01-12 09:12:48,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:12:48,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:12:48,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:12:48,744 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:12:48,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:12:25" (1/3) ... [2019-01-12 09:12:48,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549c97e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:12:48, skipping insertion in model container [2019-01-12 09:12:48,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:12:26" (2/3) ... [2019-01-12 09:12:48,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549c97e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:12:48, skipping insertion in model container [2019-01-12 09:12:48,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:12:48" (3/3) ... [2019-01-12 09:12:48,749 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b_true-unreach-call.c [2019-01-12 09:12:48,757 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:12:48,767 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:12:48,784 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:12:48,820 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:12:48,821 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:12:48,821 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:12:48,821 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:12:48,821 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:12:48,821 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:12:48,822 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:12:48,823 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:12:48,823 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:12:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-01-12 09:12:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:12:48,849 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:12:48,850 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:12:48,853 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:12:48,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:12:48,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2019-01-12 09:12:48,866 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:12:48,867 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:12:48,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:12:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:12:49,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:12:49,055 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 09:12:49,056 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:12:49,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:12:49,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:12:49,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:12:49,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:12:49,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:12:49,089 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-01-12 09:12:49,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:12:49,119 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2019-01-12 09:12:49,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:12:49,121 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:12:49,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:12:49,134 INFO L225 Difference]: With dead ends: 216 [2019-01-12 09:12:49,135 INFO L226 Difference]: Without dead ends: 106 [2019-01-12 09:12:49,139 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 09:12:49,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-01-12 09:12:49,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-01-12 09:12:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-12 09:12:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2019-01-12 09:12:49,189 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2019-01-12 09:12:49,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:12:49,190 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2019-01-12 09:12:49,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:12:49,190 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2019-01-12 09:12:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:12:49,191 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:12:49,191 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:12:49,191 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:12:49,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:12:49,193 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2019-01-12 09:12:49,195 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:12:49,196 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 09:12:49,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:12:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:12:49,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:12:49,908 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 09:12:49,908 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:12:49,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:12:49,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 09:12:49,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-12 09:12:49,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-12 09:12:49,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:12:49,924 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand 7 states. [2019-01-12 09:12:50,307 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-01-12 09:12:50,549 WARN L181 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-01-12 09:12:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:12:50,793 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2019-01-12 09:12:50,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 09:12:50,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2019-01-12 09:12:50,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:12:50,801 INFO L225 Difference]: With dead ends: 113 [2019-01-12 09:12:50,801 INFO L226 Difference]: Without dead ends: 24 [2019-01-12 09:12:50,802 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-12 09:12:50,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-12 09:12:50,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-01-12 09:12:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-01-12 09:12:50,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-01-12 09:12:50,809 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2019-01-12 09:12:50,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:12:50,809 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-01-12 09:12:50,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-12 09:12:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2019-01-12 09:12:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 09:12:50,811 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:12:50,811 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:12:50,812 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:12:50,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:12:50,812 INFO L82 PathProgramCache]: Analyzing trace with hash 851663127, now seen corresponding path program 1 times [2019-01-12 09:12:50,814 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:12:50,814 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) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:12:50,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:12:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:12:50,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:12:51,080 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 09:12:51,081 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:12:51,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:12:51,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:12:51,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:12:51,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:12:51,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:12:51,095 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 6 states. [2019-01-12 09:12:51,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:12:51,357 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2019-01-12 09:12:51,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:12:51,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-01-12 09:12:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:12:51,360 INFO L225 Difference]: With dead ends: 36 [2019-01-12 09:12:51,360 INFO L226 Difference]: Without dead ends: 24 [2019-01-12 09:12:51,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:12:51,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-12 09:12:51,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-01-12 09:12:51,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-01-12 09:12:51,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-01-12 09:12:51,366 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2019-01-12 09:12:51,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:12:51,367 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-01-12 09:12:51,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:12:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-01-12 09:12:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-12 09:12:51,368 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:12:51,368 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:12:51,368 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:12:51,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:12:51,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1894733472, now seen corresponding path program 1 times [2019-01-12 09:12:51,369 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:12:51,370 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 09:12:51,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:12:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:12:51,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:12:52,073 WARN L181 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2019-01-12 09:12:52,146 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 09:12:52,147 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:12:52,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:12:52,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-12 09:12:52,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 09:12:52,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 09:12:52,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:12:52,166 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 8 states. [2019-01-12 09:12:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:12:52,611 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-01-12 09:12:52,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 09:12:52,617 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-01-12 09:12:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:12:52,617 INFO L225 Difference]: With dead ends: 28 [2019-01-12 09:12:52,617 INFO L226 Difference]: Without dead ends: 24 [2019-01-12 09:12:52,618 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-01-12 09:12:52,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-12 09:12:52,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-01-12 09:12:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-01-12 09:12:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-01-12 09:12:52,623 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2019-01-12 09:12:52,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:12:52,623 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-01-12 09:12:52,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 09:12:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-01-12 09:12:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 09:12:52,624 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:12:52,625 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:12:52,625 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:12:52,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:12:52,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1386426768, now seen corresponding path program 1 times [2019-01-12 09:12:52,626 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:12:52,626 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 09:12:52,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:12:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:12:52,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:12:52,945 WARN L181 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-12 09:12:53,051 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 09:12:53,052 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:12:53,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:12:53,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 09:12:53,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:12:53,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:12:53,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:12:53,067 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 5 states. [2019-01-12 09:12:53,436 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-12 09:12:53,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:12:53,536 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-01-12 09:12:53,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:12:53,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-01-12 09:12:53,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:12:53,538 INFO L225 Difference]: With dead ends: 28 [2019-01-12 09:12:53,538 INFO L226 Difference]: Without dead ends: 24 [2019-01-12 09:12:53,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:12:53,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-12 09:12:53,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-01-12 09:12:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-01-12 09:12:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2019-01-12 09:12:53,544 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 19 [2019-01-12 09:12:53,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:12:53,545 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2019-01-12 09:12:53,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:12:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2019-01-12 09:12:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-12 09:12:53,546 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:12:53,546 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, 1, 1, 1] [2019-01-12 09:12:53,546 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:12:53,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:12:53,546 INFO L82 PathProgramCache]: Analyzing trace with hash -984474140, now seen corresponding path program 1 times [2019-01-12 09:12:53,547 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:12:53,547 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-01-12 09:12:53,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:12:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:12:53,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:12:53,822 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 09:12:53,822 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:12:53,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:12:53,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 09:12:53,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-12 09:12:53,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-12 09:12:53,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:12:53,835 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 7 states. [2019-01-12 09:12:54,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:12:54,094 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-01-12 09:12:54,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 09:12:54,095 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-01-12 09:12:54,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:12:54,096 INFO L225 Difference]: With dead ends: 24 [2019-01-12 09:12:54,097 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:12:54,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-12 09:12:54,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:12:54,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:12:54,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:12:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:12:54,099 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-01-12 09:12:54,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:12:54,099 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:12:54,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-12 09:12:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:12:54,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:12:54,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:12:54,909 WARN L181 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-01-12 09:12:54,942 INFO L444 ceAbstractionStarter]: At program point L118(lines 118 213) the Hoare annotation is: (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) (.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0))) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (let ((.cse1 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse1) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse1) (= (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hx~1 (_ bv30 32)))) ULTIMATE.start___ieee754_atan2f_~m~0)))) (= ~tiny_atan2~0 .cse2) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) .cse2)) (= ULTIMATE.start___ieee754_atan2f_~x .cse0))) [2019-01-12 09:12:54,942 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-01-12 09:12:54,942 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2019-01-12 09:12:54,942 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2019-01-12 09:12:54,942 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-01-12 09:12:54,943 INFO L448 ceAbstractionStarter]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2019-01-12 09:12:54,945 INFO L448 ceAbstractionStarter]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2019-01-12 09:12:54,945 INFO L448 ceAbstractionStarter]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2019-01-12 09:12:54,945 INFO L448 ceAbstractionStarter]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2019-01-12 09:12:54,945 INFO L448 ceAbstractionStarter]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2019-01-12 09:12:54,945 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-01-12 09:12:54,945 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 177) no Hoare annotation was computed. [2019-01-12 09:12:54,945 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2019-01-12 09:12:54,946 INFO L448 ceAbstractionStarter]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2019-01-12 09:12:54,947 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 94) no Hoare annotation was computed. [2019-01-12 09:12:54,947 INFO L448 ceAbstractionStarter]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2019-01-12 09:12:54,947 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:12:54,947 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 190) no Hoare annotation was computed. [2019-01-12 09:12:54,947 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 92) no Hoare annotation was computed. [2019-01-12 09:12:54,947 INFO L448 ceAbstractionStarter]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2019-01-12 09:12:54,948 INFO L448 ceAbstractionStarter]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2019-01-12 09:12:54,948 INFO L448 ceAbstractionStarter]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2019-01-12 09:12:54,948 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-01-12 09:12:54,948 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-01-12 09:12:54,948 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-01-12 09:12:54,948 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2019-01-12 09:12:54,948 INFO L448 ceAbstractionStarter]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2019-01-12 09:12:54,948 INFO L448 ceAbstractionStarter]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2019-01-12 09:12:54,949 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-01-12 09:12:54,951 INFO L448 ceAbstractionStarter]: For program point L153-2(line 153) no Hoare annotation was computed. [2019-01-12 09:12:54,951 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-01-12 09:12:54,951 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2019-01-12 09:12:54,951 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-01-12 09:12:54,951 INFO L448 ceAbstractionStarter]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2019-01-12 09:12:54,951 INFO L448 ceAbstractionStarter]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2019-01-12 09:12:54,952 INFO L444 ceAbstractionStarter]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2019-01-12 09:12:54,952 INFO L448 ceAbstractionStarter]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-01-12 09:12:54,952 INFO L448 ceAbstractionStarter]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-01-12 09:12:54,952 INFO L444 ceAbstractionStarter]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2019-01-12 09:12:54,952 INFO L448 ceAbstractionStarter]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2019-01-12 09:12:54,952 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-01-12 09:12:54,952 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 179) no Hoare annotation was computed. [2019-01-12 09:12:54,953 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2019-01-12 09:12:54,953 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2019-01-12 09:12:54,953 INFO L444 ceAbstractionStarter]: At program point L122-2(lines 122 126) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) (= ULTIMATE.start___ieee754_atan2f_~x .cse0))) [2019-01-12 09:12:54,953 INFO L448 ceAbstractionStarter]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2019-01-12 09:12:54,953 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 178) no Hoare annotation was computed. [2019-01-12 09:12:54,953 INFO L444 ceAbstractionStarter]: At program point L24(lines 12 25) the Hoare annotation is: false [2019-01-12 09:12:54,954 INFO L444 ceAbstractionStarter]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2019-01-12 09:12:54,954 INFO L444 ceAbstractionStarter]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2019-01-12 09:12:54,954 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-01-12 09:12:54,954 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 150) no Hoare annotation was computed. [2019-01-12 09:12:54,954 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-01-12 09:12:54,954 INFO L448 ceAbstractionStarter]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2019-01-12 09:12:54,954 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2019-01-12 09:12:54,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:12:54,955 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 166) no Hoare annotation was computed. [2019-01-12 09:12:54,955 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-01-12 09:12:54,955 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 212) no Hoare annotation was computed. [2019-01-12 09:12:54,955 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-01-12 09:12:54,955 INFO L448 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-01-12 09:12:54,955 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-01-12 09:12:54,955 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-01-12 09:12:54,955 INFO L448 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2019-01-12 09:12:54,956 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-01-12 09:12:54,956 INFO L448 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2019-01-12 09:12:54,956 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 93) no Hoare annotation was computed. [2019-01-12 09:12:54,956 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2019-01-12 09:12:54,956 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-01-12 09:12:54,956 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 68) no Hoare annotation was computed. [2019-01-12 09:12:54,956 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:12:54,956 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2019-01-12 09:12:54,957 INFO L448 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-01-12 09:12:54,957 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-01-12 09:12:54,957 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 84) no Hoare annotation was computed. [2019-01-12 09:12:54,957 INFO L448 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-01-12 09:12:54,957 INFO L444 ceAbstractionStarter]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2019-01-12 09:12:54,957 INFO L448 ceAbstractionStarter]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2019-01-12 09:12:54,957 INFO L448 ceAbstractionStarter]: For program point L111-4(line 111) no Hoare annotation was computed. [2019-01-12 09:12:54,958 INFO L448 ceAbstractionStarter]: For program point L111-6(line 111) no Hoare annotation was computed. [2019-01-12 09:12:54,958 INFO L444 ceAbstractionStarter]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2019-01-12 09:12:54,958 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 230) no Hoare annotation was computed. [2019-01-12 09:12:54,958 INFO L448 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2019-01-12 09:12:54,958 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-01-12 09:12:54,958 INFO L444 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) (= ULTIMATE.start___ieee754_atan2f_~x .cse0))) [2019-01-12 09:12:54,959 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-01-12 09:12:54,959 INFO L448 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-01-12 09:12:54,959 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2019-01-12 09:12:54,959 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-01-12 09:12:54,959 INFO L448 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-01-12 09:12:54,959 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-01-12 09:12:54,959 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-01-12 09:12:54,960 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2019-01-12 09:12:54,960 INFO L448 ceAbstractionStarter]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2019-01-12 09:12:54,960 INFO L444 ceAbstractionStarter]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2019-01-12 09:12:54,960 INFO L448 ceAbstractionStarter]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2019-01-12 09:12:54,960 INFO L444 ceAbstractionStarter]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2019-01-12 09:12:54,960 INFO L448 ceAbstractionStarter]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2019-01-12 09:12:54,960 INFO L444 ceAbstractionStarter]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2019-01-12 09:12:54,961 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 67) no Hoare annotation was computed. [2019-01-12 09:12:54,961 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2019-01-12 09:12:54,961 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-01-12 09:12:54,961 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-01-12 09:12:54,961 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:12:54,961 INFO L448 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-01-12 09:12:54,961 INFO L448 ceAbstractionStarter]: For program point L182-2(line 182) no Hoare annotation was computed. [2019-01-12 09:12:54,961 INFO L451 ceAbstractionStarter]: At program point L232(lines 214 233) the Hoare annotation is: true [2019-01-12 09:12:54,962 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2019-01-12 09:12:54,962 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-01-12 09:12:54,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:54,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:54,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:54,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:54,995 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:54,995 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:54,996 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:54,996 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,001 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,001 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,001 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,001 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,004 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,007 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,008 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,008 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,008 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,008 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,009 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,009 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,009 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,009 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,013 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,013 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,016 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,016 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,019 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:12:55 BoogieIcfgContainer [2019-01-12 09:12:55,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:12:55,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:12:55,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:12:55,026 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:12:55,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:12:48" (3/4) ... [2019-01-12 09:12:55,034 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:12:55,054 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-01-12 09:12:55,055 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 09:12:55,055 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:12:55,085 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2019-01-12 09:12:55,086 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: (~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) == m)) && tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2019-01-12 09:12:55,158 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:12:55,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:12:55,159 INFO L168 Benchmark]: Toolchain (without parser) took 29261.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:12:55,160 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:12:55,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.93 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:55,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:55,162 INFO L168 Benchmark]: Boogie Preprocessor took 106.85 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:55,162 INFO L168 Benchmark]: RCFGBuilder took 22034.22 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: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:55,163 INFO L168 Benchmark]: TraceAbstraction took 6282.33 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -126.3 MB). Peak memory consumption was 259.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:55,163 INFO L168 Benchmark]: Witness Printer took 136.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:12:55,167 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 539.93 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 155.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.85 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 22034.22 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: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6282.33 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -126.3 MB). Peak memory consumption was 259.4 MB. Max. memory is 11.5 GB. * Witness Printer took 136.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~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___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~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___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 228]: 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: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant [2019-01-12 09:12:55,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,183 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,183 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,183 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,183 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,189 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,189 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,189 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,189 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,189 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,190 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,190 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,190 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2019-01-12 09:12:55,191 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,191 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,191 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,191 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,191 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,192 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,200 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,206 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,206 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,206 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,206 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,206 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,207 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,210 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,211 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-01-12 09:12:55,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-01-12 09:12:55,213 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,213 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,213 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,214 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,214 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: (~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) == m)) && tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2019-01-12 09:12:55,215 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,215 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,215 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,223 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:12:55,223 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 230 SDtfs, 258 SDslu, 93 SDs, 0 SdLazy, 115 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 208 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 93 ConstructedInterpolants, 14 QuantifiedInterpolants, 20326 SizeOfPredicates, 38 NumberOfNonLiveVariables, 626 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...