./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0663a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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_0663a_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 4efa6b9ac5f17994ac853fda671607d1380ebffe ............................................................................................................................................................................................................................................................................................................ 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_0663a_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 4efa6b9ac5f17994ac853fda671607d1380ebffe ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 04:02:00,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:02:00,706 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:02:00,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:02:00,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:02:00,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:02:00,731 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:02:00,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:02:00,737 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:02:00,738 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:02:00,741 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:02:00,742 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:02:00,743 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:02:00,745 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:02:00,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:02:00,751 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:02:00,752 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:02:00,756 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:02:00,764 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:02:00,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:02:00,773 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:02:00,774 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:02:00,777 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:02:00,777 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:02:00,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:02:00,780 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:02:00,781 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:02:00,784 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:02:00,785 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:02:00,788 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:02:00,789 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:02:00,789 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:02:00,790 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:02:00,790 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:02:00,793 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:02:00,793 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:02:00,794 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 04:02:00,826 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:02:00,826 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:02:00,831 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:02:00,832 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:02:00,833 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:02:00,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:02:00,833 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:02:00,833 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 04:02:00,833 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:02:00,834 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:02:00,834 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:02:00,834 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:02:00,834 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:02:00,834 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:02:00,834 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:02:00,836 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:02:00,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:02:00,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:02:00,837 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:02:00,837 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:02:00,837 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:02:00,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:02:00,837 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:02:00,840 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:02:00,840 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:02:00,840 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 04:02:00,840 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:02:00,841 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 04:02:00,841 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 -> 4efa6b9ac5f17994ac853fda671607d1380ebffe [2018-12-31 04:02:00,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:02:00,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:02:00,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:02:00,922 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:02:00,922 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:02:00,923 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0663a_true-unreach-call.c [2018-12-31 04:02:00,983 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf62379b9/41fe92b2eb0b48bc825f280a68e8f378/FLAG94290ada8 [2018-12-31 04:02:01,514 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:02:01,516 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0663a_true-unreach-call.c [2018-12-31 04:02:01,528 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf62379b9/41fe92b2eb0b48bc825f280a68e8f378/FLAG94290ada8 [2018-12-31 04:02:01,817 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf62379b9/41fe92b2eb0b48bc825f280a68e8f378 [2018-12-31 04:02:01,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:02:01,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:02:01,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:02:01,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:02:01,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:02:01,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:02:01" (1/1) ... [2018-12-31 04:02:01,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663a790a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:01, skipping insertion in model container [2018-12-31 04:02:01,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:02:01" (1/1) ... [2018-12-31 04:02:01,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:02:01,878 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:02:02,234 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:02:02,256 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:02:02,362 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:02:02,409 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:02:02,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02 WrapperNode [2018-12-31 04:02:02,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:02:02,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:02:02,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:02:02,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:02:02,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:02:02,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:02:02,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:02:02,606 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:02:02,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... [2018-12-31 04:02:02,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:02:02,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:02:02,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:02:02,705 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:02:02,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:02:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:02:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 04:02:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 04:02:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 04:02:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:02:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:02:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 04:02:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-31 04:02:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:02:04,089 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:02:04,090 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-31 04:02:04,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:02:04 BoogieIcfgContainer [2018-12-31 04:02:04,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:02:04,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:02:04,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:02:04,095 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:02:04,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:02:01" (1/3) ... [2018-12-31 04:02:04,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6817783b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:02:04, skipping insertion in model container [2018-12-31 04:02:04,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:02" (2/3) ... [2018-12-31 04:02:04,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6817783b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:02:04, skipping insertion in model container [2018-12-31 04:02:04,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:02:04" (3/3) ... [2018-12-31 04:02:04,099 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a_true-unreach-call.c [2018-12-31 04:02:04,109 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:02:04,118 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:02:04,137 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:02:04,172 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:02:04,173 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:02:04,173 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:02:04,173 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:02:04,173 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:02:04,173 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:02:04,173 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:02:04,174 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:02:04,174 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:02:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2018-12-31 04:02:04,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:02:04,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:02:04,200 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:02:04,202 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:02:04,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:02:04,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2018-12-31 04:02:04,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:02:04,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:02:04,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:02:04,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:02:04,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:02:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:02:04,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:02:04,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:02:04,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:02:04,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:02:04,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:02:04,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:02:04,396 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2018-12-31 04:02:04,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:02:04,428 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2018-12-31 04:02:04,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:02:04,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 04:02:04,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:02:04,447 INFO L225 Difference]: With dead ends: 219 [2018-12-31 04:02:04,447 INFO L226 Difference]: Without dead ends: 107 [2018-12-31 04:02:04,451 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 [2018-12-31 04:02:04,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-31 04:02:04,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-31 04:02:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-31 04:02:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2018-12-31 04:02:04,500 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2018-12-31 04:02:04,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:02:04,501 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2018-12-31 04:02:04,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:02:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2018-12-31 04:02:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 04:02:04,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:02:04,502 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:02:04,502 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:02:04,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:02:04,503 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2018-12-31 04:02:04,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:02:04,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:02:04,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:02:04,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:02:04,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:02:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:02:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:02:04,768 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 04:02:04,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:02:04 BoogieIcfgContainer [2018-12-31 04:02:04,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:02:04,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:02:04,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:02:04,842 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:02:04,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:02:04" (3/4) ... [2018-12-31 04:02:04,848 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 04:02:04,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:02:04,849 INFO L168 Benchmark]: Toolchain (without parser) took 3027.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -78.8 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:04,852 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. [2018-12-31 04:02:04,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.69 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. [2018-12-31 04:02:04,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:04,856 INFO L168 Benchmark]: Boogie Preprocessor took 98.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:02:04,857 INFO L168 Benchmark]: RCFGBuilder took 1385.59 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:04,858 INFO L168 Benchmark]: TraceAbstraction took 749.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:04,860 INFO L168 Benchmark]: Witness Printer took 7.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:02:04,866 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 585.69 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 194.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1385.59 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 749.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Witness Printer took 7.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 228, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someUnaryFLOAToperation at line 216, 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] [L216] float x = -0.0f; [L217] float y = __VERIFIER_nondet_float(); [L224] COND TRUE 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] [L225] float res = __ieee754_atan2f(y, x); [L228] COND TRUE res != pi_o_2 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] [L229] __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, 111 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 160 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=111occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.24-2e94e6a [2018-12-31 04:02:07,395 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:02:07,398 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:02:07,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:02:07,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:02:07,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:02:07,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:02:07,421 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:02:07,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:02:07,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:02:07,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:02:07,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:02:07,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:02:07,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:02:07,430 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:02:07,431 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:02:07,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:02:07,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:02:07,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:02:07,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:02:07,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:02:07,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:02:07,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:02:07,444 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:02:07,444 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:02:07,445 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:02:07,447 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:02:07,448 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:02:07,449 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:02:07,450 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:02:07,450 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:02:07,451 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:02:07,451 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:02:07,451 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:02:07,452 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:02:07,454 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:02:07,454 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 04:02:07,469 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:02:07,469 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:02:07,470 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:02:07,471 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:02:07,471 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:02:07,471 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:02:07,472 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:02:07,472 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:02:07,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:02:07,472 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:02:07,472 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:02:07,472 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:02:07,473 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 04:02:07,474 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 04:02:07,474 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:02:07,474 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:02:07,474 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:02:07,474 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:02:07,475 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:02:07,475 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:02:07,476 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:02:07,476 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:02:07,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:02:07,476 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:02:07,476 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:02:07,476 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:02:07,477 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 04:02:07,477 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:02:07,477 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 04:02:07,477 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 04:02:07,477 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 -> 4efa6b9ac5f17994ac853fda671607d1380ebffe [2018-12-31 04:02:07,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:02:07,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:02:07,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:02:07,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:02:07,554 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:02:07,555 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0663a_true-unreach-call.c [2018-12-31 04:02:07,623 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236697594/7d39da3dc41c4ff285bf227278194330/FLAGf262d1999 [2018-12-31 04:02:08,120 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:02:08,121 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0663a_true-unreach-call.c [2018-12-31 04:02:08,129 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236697594/7d39da3dc41c4ff285bf227278194330/FLAGf262d1999 [2018-12-31 04:02:08,456 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236697594/7d39da3dc41c4ff285bf227278194330 [2018-12-31 04:02:08,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:02:08,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:02:08,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:02:08,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:02:08,466 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:02:08,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:08,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1408c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08, skipping insertion in model container [2018-12-31 04:02:08,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:08,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:02:08,518 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:02:08,774 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:02:08,792 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:02:08,871 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:02:08,913 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:02:08,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08 WrapperNode [2018-12-31 04:02:08,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:02:08,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:02:08,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:02:08,915 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:02:08,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:02:09,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:02:09,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:02:09,077 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:02:09,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (1/1) ... [2018-12-31 04:02:09,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:02:09,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:02:09,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:02:09,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:02:09,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (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 [2018-12-31 04:02:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-31 04:02:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:02:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-31 04:02:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 04:02:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:02:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:02:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-31 04:02:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 04:02:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:02:09,854 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:10,427 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:10,454 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:10,529 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:10,618 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:10,659 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:11,493 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:11,522 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:34,613 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:02:35,592 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:02:35,593 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-31 04:02:35,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:02:35 BoogieIcfgContainer [2018-12-31 04:02:35,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:02:35,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:02:35,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:02:35,598 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:02:35,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:02:08" (1/3) ... [2018-12-31 04:02:35,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b19bbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:02:35, skipping insertion in model container [2018-12-31 04:02:35,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:02:08" (2/3) ... [2018-12-31 04:02:35,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b19bbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:02:35, skipping insertion in model container [2018-12-31 04:02:35,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:02:35" (3/3) ... [2018-12-31 04:02:35,602 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a_true-unreach-call.c [2018-12-31 04:02:35,611 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:02:35,619 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:02:35,638 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:02:35,672 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:02:35,672 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:02:35,672 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:02:35,673 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:02:35,673 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:02:35,673 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:02:35,673 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:02:35,673 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:02:35,674 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:02:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2018-12-31 04:02:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:02:35,698 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:02:35,699 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:02:35,701 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:02:35,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:02:35,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2018-12-31 04:02:35,714 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:02:35,715 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 [2018-12-31 04:02:35,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:02:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:02:35,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:02:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:02:35,953 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:02:35,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:02:35,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:02:35,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:02:35,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:02:35,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:02:36,002 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2018-12-31 04:02:36,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:02:36,055 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2018-12-31 04:02:36,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:02:36,057 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 04:02:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:02:36,076 INFO L225 Difference]: With dead ends: 219 [2018-12-31 04:02:36,077 INFO L226 Difference]: Without dead ends: 107 [2018-12-31 04:02:36,083 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:02:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-31 04:02:36,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-31 04:02:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-31 04:02:36,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2018-12-31 04:02:36,137 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2018-12-31 04:02:36,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:02:36,138 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2018-12-31 04:02:36,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:02:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2018-12-31 04:02:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 04:02:36,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:02:36,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:02:36,139 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:02:36,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:02:36,141 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2018-12-31 04:02:36,142 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:02:36,142 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) [2018-12-31 04:02:36,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 04:02:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:02:36,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:02:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:02:36,669 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:02:36,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:02:36,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-31 04:02:36,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 04:02:36,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 04:02:36,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-31 04:02:36,691 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 8 states. [2018-12-31 04:02:37,499 WARN L181 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-12-31 04:02:37,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:02:37,724 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2018-12-31 04:02:37,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 04:02:37,730 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-12-31 04:02:37,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:02:37,731 INFO L225 Difference]: With dead ends: 114 [2018-12-31 04:02:37,732 INFO L226 Difference]: Without dead ends: 19 [2018-12-31 04:02:37,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-31 04:02:37,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-12-31 04:02:37,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-12-31 04:02:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-12-31 04:02:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2018-12-31 04:02:37,738 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2018-12-31 04:02:37,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:02:37,738 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2018-12-31 04:02:37,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 04:02:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-12-31 04:02:37,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 04:02:37,739 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:02:37,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:02:37,740 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:02:37,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:02:37,741 INFO L82 PathProgramCache]: Analyzing trace with hash -625824453, now seen corresponding path program 1 times [2018-12-31 04:02:37,741 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:02:37,741 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) [2018-12-31 04:02:37,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 04:02:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:02:37,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:02:38,257 WARN L181 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-31 04:02:38,510 WARN L181 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-31 04:02:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:02:38,518 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:02:38,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:02:38,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 04:02:38,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 04:02:38,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 04:02:38,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 04:02:38,535 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 6 states. [2018-12-31 04:02:39,024 WARN L181 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-31 04:02:39,387 WARN L181 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-31 04:02:39,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:02:39,388 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2018-12-31 04:02:39,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 04:02:39,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-12-31 04:02:39,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:02:39,389 INFO L225 Difference]: With dead ends: 19 [2018-12-31 04:02:39,389 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 04:02:39,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-31 04:02:39,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 04:02:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 04:02:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 04:02:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 04:02:39,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-12-31 04:02:39,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:02:39,391 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 04:02:39,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 04:02:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 04:02:39,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 04:02:39,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 04:02:39,629 WARN L181 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-12-31 04:02:39,943 WARN L181 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-31 04:02:39,985 INFO L444 ceAbstractionStarter]: At program point L118(lines 118 213) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) (.cse0 (fp.neg (_ +zero 8 24)))) (and (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= (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))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.gt (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)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0))) (fp.gt (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)) (_ +zero 8 24)) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.add roundNearestTiesToEven ~pi_o_2~0 .cse1)) (= ULTIMATE.start_main_~x~0 .cse0) (= ~tiny_atan2~0 .cse1) (= ULTIMATE.start___ieee754_atan2f_~x .cse0))) [2018-12-31 04:02:39,985 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:02:39,986 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2018-12-31 04:02:39,986 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:02:39,986 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:02:39,986 INFO L448 ceAbstractionStarter]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2018-12-31 04:02:39,986 INFO L448 ceAbstractionStarter]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:02:39,986 INFO L448 ceAbstractionStarter]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:02:39,986 INFO L448 ceAbstractionStarter]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2018-12-31 04:02:39,988 INFO L448 ceAbstractionStarter]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:02:39,989 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2018-12-31 04:02:39,989 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 177) no Hoare annotation was computed. [2018-12-31 04:02:39,989 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2018-12-31 04:02:39,989 INFO L448 ceAbstractionStarter]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2018-12-31 04:02:39,989 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 94) no Hoare annotation was computed. [2018-12-31 04:02:39,989 INFO L448 ceAbstractionStarter]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2018-12-31 04:02:39,989 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 04:02:39,990 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 190) no Hoare annotation was computed. [2018-12-31 04:02:39,990 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 92) no Hoare annotation was computed. [2018-12-31 04:02:39,990 INFO L448 ceAbstractionStarter]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2018-12-31 04:02:39,990 INFO L448 ceAbstractionStarter]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2018-12-31 04:02:39,990 INFO L448 ceAbstractionStarter]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2018-12-31 04:02:39,990 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-31 04:02:39,990 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2018-12-31 04:02:39,991 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-12-31 04:02:39,991 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2018-12-31 04:02:39,991 INFO L448 ceAbstractionStarter]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2018-12-31 04:02:39,991 INFO L448 ceAbstractionStarter]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2018-12-31 04:02:39,991 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-31 04:02:39,991 INFO L448 ceAbstractionStarter]: For program point L153-2(line 153) no Hoare annotation was computed. [2018-12-31 04:02:39,991 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-12-31 04:02:39,992 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2018-12-31 04:02:39,992 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 190) no Hoare annotation was computed. [2018-12-31 04:02:39,992 INFO L448 ceAbstractionStarter]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2018-12-31 04:02:39,992 INFO L448 ceAbstractionStarter]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2018-12-31 04:02:39,992 INFO L444 ceAbstractionStarter]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2018-12-31 04:02:39,992 INFO L448 ceAbstractionStarter]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2018-12-31 04:02:39,992 INFO L448 ceAbstractionStarter]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2018-12-31 04:02:39,993 INFO L444 ceAbstractionStarter]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2018-12-31 04:02:39,994 INFO L448 ceAbstractionStarter]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2018-12-31 04:02:39,994 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-31 04:02:39,994 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 179) no Hoare annotation was computed. [2018-12-31 04:02:39,994 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2018-12-31 04:02:39,994 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2018-12-31 04:02:39,994 INFO L444 ceAbstractionStarter]: At program point L122-2(lines 122 126) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (= ULTIMATE.start_main_~x~0 .cse0) (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) (= ULTIMATE.start___ieee754_atan2f_~x .cse0))) [2018-12-31 04:02:39,995 INFO L448 ceAbstractionStarter]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2018-12-31 04:02:39,995 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 178) no Hoare annotation was computed. [2018-12-31 04:02:39,995 INFO L444 ceAbstractionStarter]: At program point L24(lines 12 25) the Hoare annotation is: false [2018-12-31 04:02:39,995 INFO L444 ceAbstractionStarter]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2018-12-31 04:02:39,995 INFO L444 ceAbstractionStarter]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2018-12-31 04:02:39,995 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-31 04:02:39,995 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 150) no Hoare annotation was computed. [2018-12-31 04:02:39,996 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-31 04:02:39,998 INFO L448 ceAbstractionStarter]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2018-12-31 04:02:39,998 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2018-12-31 04:02:39,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 04:02:39,999 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 166) no Hoare annotation was computed. [2018-12-31 04:02:39,999 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-12-31 04:02:39,999 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2018-12-31 04:02:39,999 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 212) no Hoare annotation was computed. [2018-12-31 04:02:39,999 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-12-31 04:02:39,999 INFO L448 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2018-12-31 04:02:40,000 INFO L448 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2018-12-31 04:02:40,000 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-31 04:02:40,000 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-31 04:02:40,000 INFO L448 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-12-31 04:02:40,000 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-31 04:02:40,000 INFO L448 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2018-12-31 04:02:40,000 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 93) no Hoare annotation was computed. [2018-12-31 04:02:40,003 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2018-12-31 04:02:40,003 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-31 04:02:40,003 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 68) no Hoare annotation was computed. [2018-12-31 04:02:40,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 04:02:40,004 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2018-12-31 04:02:40,004 INFO L448 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-12-31 04:02:40,004 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-31 04:02:40,004 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 84) no Hoare annotation was computed. [2018-12-31 04:02:40,004 INFO L448 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-12-31 04:02:40,004 INFO L444 ceAbstractionStarter]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2018-12-31 04:02:40,005 INFO L448 ceAbstractionStarter]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2018-12-31 04:02:40,005 INFO L448 ceAbstractionStarter]: For program point L111-4(line 111) no Hoare annotation was computed. [2018-12-31 04:02:40,005 INFO L448 ceAbstractionStarter]: For program point L111-6(line 111) no Hoare annotation was computed. [2018-12-31 04:02:40,005 INFO L444 ceAbstractionStarter]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2018-12-31 04:02:40,005 INFO L448 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2018-12-31 04:02:40,005 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-12-31 04:02:40,008 INFO L444 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= (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))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (= ULTIMATE.start_main_~x~0 .cse0) (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) (= ULTIMATE.start___ieee754_atan2f_~x .cse0))) [2018-12-31 04:02:40,009 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2018-12-31 04:02:40,009 INFO L448 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2018-12-31 04:02:40,009 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2018-12-31 04:02:40,009 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-31 04:02:40,009 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 231) no Hoare annotation was computed. [2018-12-31 04:02:40,009 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-31 04:02:40,010 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-12-31 04:02:40,010 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2018-12-31 04:02:40,010 INFO L448 ceAbstractionStarter]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2018-12-31 04:02:40,010 INFO L444 ceAbstractionStarter]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2018-12-31 04:02:40,010 INFO L448 ceAbstractionStarter]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2018-12-31 04:02:40,010 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-12-31 04:02:40,010 INFO L444 ceAbstractionStarter]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2018-12-31 04:02:40,014 INFO L448 ceAbstractionStarter]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2018-12-31 04:02:40,014 INFO L444 ceAbstractionStarter]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2018-12-31 04:02:40,014 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 67) no Hoare annotation was computed. [2018-12-31 04:02:40,014 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2018-12-31 04:02:40,014 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-31 04:02:40,014 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2018-12-31 04:02:40,015 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-31 04:02:40,015 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 04:02:40,015 INFO L448 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-12-31 04:02:40,015 INFO L448 ceAbstractionStarter]: For program point L182-2(line 182) no Hoare annotation was computed. [2018-12-31 04:02:40,015 INFO L451 ceAbstractionStarter]: At program point L233(lines 215 234) the Hoare annotation is: true [2018-12-31 04:02:40,015 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-12-31 04:02:40,032 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,036 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,036 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,037 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,042 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,042 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,043 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,043 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,054 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,059 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,060 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,060 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,061 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,061 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,066 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,069 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,069 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,069 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,073 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,074 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,074 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,074 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,074 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,075 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,075 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,080 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,080 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,081 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,081 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,081 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,082 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,088 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,088 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,090 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,090 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,090 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,090 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,091 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,091 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,091 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,092 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:02:40 BoogieIcfgContainer [2018-12-31 04:02:40,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:02:40,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:02:40,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:02:40,105 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:02:40,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:02:35" (3/4) ... [2018-12-31 04:02:40,112 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 04:02:40,143 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-31 04:02:40,144 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-31 04:02:40,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) && ~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)) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000)) == pi_o_2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-12-31 04:02:40,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) && ~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)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.gt~FLOAT(~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]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000)) == pi_o_2) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-12-31 04:02:40,286 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 04:02:40,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:02:40,288 INFO L168 Benchmark]: Toolchain (without parser) took 31827.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.3 MB in the beginning and 892.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 178.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:40,289 INFO L168 Benchmark]: CDTParser took 0.27 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. [2018-12-31 04:02:40,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:40,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:40,290 INFO L168 Benchmark]: Boogie Preprocessor took 99.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:40,291 INFO L168 Benchmark]: RCFGBuilder took 26416.79 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:40,291 INFO L168 Benchmark]: TraceAbstraction took 4506.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 899.0 MB in the end (delta: 139.8 MB). Peak memory consumption was 139.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:40,294 INFO L168 Benchmark]: Witness Printer took 182.56 ms. Allocated memory is still 1.1 GB. Free memory was 899.0 MB in the beginning and 892.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:02:40,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 452.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 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 162.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 26416.79 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4506.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 899.0 MB in the end (delta: 139.8 MB). Peak memory consumption was 139.8 MB. Max. memory is 11.5 GB. * Witness Printer took 182.56 ms. Allocated memory is still 1.1 GB. Free memory was 899.0 MB in the beginning and 892.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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 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 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: 229]: 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: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant [2018-12-31 04:02:40,307 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,307 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,307 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,315 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,315 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,315 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,316 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,316 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,317 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,317 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,317 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,318 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,323 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,323 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,324 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,324 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) && ~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)) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000)) == pi_o_2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2018-12-31 04:02:40,325 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,325 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,325 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,330 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,330 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,331 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,331 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,331 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,331 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,334 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-31 04:02:40,339 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,339 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,339 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-31 04:02:40,340 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,340 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,340 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,341 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,341 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,341 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,341 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) && ~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)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.gt~FLOAT(~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]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000)) == pi_o_2) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && tiny_atan2 == ~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 [2018-12-31 04:02:40,343 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,343 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,343 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,343 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,348 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,348 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,349 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:02:40,349 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000)) == pi_o_2) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && 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, 111 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 181 SDtfs, 78 SDslu, 48 SDs, 0 SdLazy, 34 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 179 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 4 QuantifiedInterpolants, 6186 SizeOfPredicates, 14 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...