./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_0663a.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: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_0663a.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 0.1.24-30f4e4a [2019-11-27 23:47:34,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:47:34,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:47:34,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:47:34,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:47:34,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:47:34,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:47:34,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:47:34,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:47:34,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:47:34,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:47:34,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:47:34,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:47:34,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:47:34,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:47:34,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:47:34,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:47:34,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:47:34,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:47:34,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:47:34,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:47:34,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:47:34,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:47:34,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:47:34,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:47:34,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:47:34,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:47:34,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:47:34,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:47:34,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:47:34,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:47:34,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:47:34,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:47:34,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:47:34,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:47:34,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:47:34,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:47:34,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:47:34,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:47:34,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:47:34,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:47:34,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:47:34,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:47:34,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:47:34,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:47:34,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:47:34,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:47:34,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:47:34,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:47:34,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:47:34,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:47:34,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:47:34,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:47:34,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:47:34,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:47:34,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:47:34,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:47:34,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:47:34,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:47:34,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:47:34,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:47:34,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:47:34,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:47:34,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:47:34,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:47:34,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:47:34,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:47:34,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:47:34,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:47:34,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:47:34,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 [2019-11-27 23:47:35,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:47:35,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:47:35,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:47:35,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:47:35,238 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:47:35,239 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2019-11-27 23:47:35,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45bbb8a2/38261cb89ab849288340ee39be9ceedd/FLAG6ee14703c [2019-11-27 23:47:35,825 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:47:35,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2019-11-27 23:47:35,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45bbb8a2/38261cb89ab849288340ee39be9ceedd/FLAG6ee14703c [2019-11-27 23:47:36,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45bbb8a2/38261cb89ab849288340ee39be9ceedd [2019-11-27 23:47:36,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:47:36,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:47:36,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:47:36,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:47:36,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:47:36,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f22fdbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36, skipping insertion in model container [2019-11-27 23:47:36,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:47:36,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:47:36,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:47:36,657 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:47:36,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:47:36,744 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:47:36,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36 WrapperNode [2019-11-27 23:47:36,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:47:36,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:47:36,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:47:36,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:47:36,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:47:36,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:47:36,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:47:36,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:47:36,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... [2019-11-27 23:47:36,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:47:36,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:47:36,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:47:36,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:47:36,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:47:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:47:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:47:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:47:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:47:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:47:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:47:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:47:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-27 23:47:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:47:37,784 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:47:37,785 INFO L297 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-27 23:47:37,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:37 BoogieIcfgContainer [2019-11-27 23:47:37,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:47:37,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:47:37,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:47:37,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:47:37,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:47:36" (1/3) ... [2019-11-27 23:47:37,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ef2b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:47:37, skipping insertion in model container [2019-11-27 23:47:37,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:36" (2/3) ... [2019-11-27 23:47:37,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ef2b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:47:37, skipping insertion in model container [2019-11-27 23:47:37,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:37" (3/3) ... [2019-11-27 23:47:37,796 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2019-11-27 23:47:37,806 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:47:37,812 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:47:37,823 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:47:37,854 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:47:37,855 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:47:37,856 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:47:37,856 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:47:37,856 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:47:37,857 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:47:37,857 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:47:37,857 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:47:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-11-27 23:47:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:47:37,892 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:47:37,894 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:47:37,894 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:47:37,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:47:37,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2019-11-27 23:47:37,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:47:37,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745909749] [2019-11-27 23:47:37,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:47:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:47:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:38,077 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745909749] [2019-11-27 23:47:38,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:47:38,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:47:38,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828310122] [2019-11-27 23:47:38,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:47:38,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:47:38,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:47:38,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:47:38,100 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-11-27 23:47:38,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:47:38,130 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2019-11-27 23:47:38,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:47:38,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-27 23:47:38,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:47:38,145 INFO L225 Difference]: With dead ends: 219 [2019-11-27 23:47:38,146 INFO L226 Difference]: Without dead ends: 107 [2019-11-27 23:47:38,150 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:47:38,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-27 23:47:38,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-27 23:47:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-27 23:47:38,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2019-11-27 23:47:38,196 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2019-11-27 23:47:38,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:47:38,197 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2019-11-27 23:47:38,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:47:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2019-11-27 23:47:38,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 23:47:38,198 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:47:38,198 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:47:38,199 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:47:38,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:47:38,199 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2019-11-27 23:47:38,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:47:38,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190779333] [2019-11-27 23:47:38,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:47:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:47:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:47:38,411 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:47:38,412 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:47:38,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:47:38 BoogieIcfgContainer [2019-11-27 23:47:38,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:47:38,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:47:38,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:47:38,462 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:47:38,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:37" (3/4) ... [2019-11-27 23:47:38,467 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:47:38,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:47:38,470 INFO L168 Benchmark]: Toolchain (without parser) took 2307.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -39.9 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:38,471 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:47:38,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:38,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.14 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:38,473 INFO L168 Benchmark]: Boogie Preprocessor took 60.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:47:38,474 INFO L168 Benchmark]: RCFGBuilder took 884.22 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:38,475 INFO L168 Benchmark]: TraceAbstraction took 672.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:38,476 INFO L168 Benchmark]: Witness Printer took 5.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:47:38,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.14 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 884.22 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 672.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.81 ms. Allocated memory is still 1.1 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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 DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s 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, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:47:40,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:47:40,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:47:40,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:47:40,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:47:40,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:47:40,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:47:40,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:47:40,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:47:40,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:47:40,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:47:40,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:47:40,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:47:40,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:47:40,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:47:40,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:47:40,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:47:40,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:47:40,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:47:40,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:47:40,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:47:40,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:47:40,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:47:40,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:47:40,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:47:40,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:47:40,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:47:40,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:47:40,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:47:40,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:47:40,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:47:40,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:47:40,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:47:40,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:47:40,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:47:40,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:47:40,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:47:40,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:47:40,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:47:40,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:47:40,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:47:40,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:47:40,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:47:40,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:47:40,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:47:40,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:47:40,517 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:47:40,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:47:40,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:47:40,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:47:40,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:47:40,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:47:40,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:47:40,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:47:40,520 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:47:40,521 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:47:40,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:47:40,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:47:40,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:47:40,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:47:40,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:47:40,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:47:40,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:47:40,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:47:40,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:47:40,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:47:40,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:47:40,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:47:40,525 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:47:40,525 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:47:40,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:47:40,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:47:40,526 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 [2019-11-27 23:47:40,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:47:40,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:47:40,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:47:40,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:47:40,905 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:47:40,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2019-11-27 23:47:40,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f503066/684f8c6e14ab4f67a6ad52fe0bc054e9/FLAG3f07a09b9 [2019-11-27 23:47:41,502 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:47:41,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2019-11-27 23:47:41,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f503066/684f8c6e14ab4f67a6ad52fe0bc054e9/FLAG3f07a09b9 [2019-11-27 23:47:41,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f503066/684f8c6e14ab4f67a6ad52fe0bc054e9 [2019-11-27 23:47:41,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:47:41,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:47:41,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:47:41,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:47:41,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:47:41,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:47:41" (1/1) ... [2019-11-27 23:47:41,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e9968b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:41, skipping insertion in model container [2019-11-27 23:47:41,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:47:41" (1/1) ... [2019-11-27 23:47:41,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:47:41,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:47:42,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:47:42,281 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:47:42,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:47:42,406 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:47:42,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42 WrapperNode [2019-11-27 23:47:42,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:47:42,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:47:42,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:47:42,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:47:42,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:47:42,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:47:42,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:47:42,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:47:42,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... [2019-11-27 23:47:42,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:47:42,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:47:42,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:47:42,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:47:42,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:47:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-27 23:47:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:47:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-27 23:47:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:47:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:47:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:47:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-27 23:47:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:47:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:47:58,912 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:47:58,913 INFO L297 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-27 23:47:58,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:58 BoogieIcfgContainer [2019-11-27 23:47:58,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:47:58,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:47:58,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:47:58,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:47:58,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:47:41" (1/3) ... [2019-11-27 23:47:58,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308fe2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:47:58, skipping insertion in model container [2019-11-27 23:47:58,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:47:42" (2/3) ... [2019-11-27 23:47:58,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308fe2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:47:58, skipping insertion in model container [2019-11-27 23:47:58,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:58" (3/3) ... [2019-11-27 23:47:58,928 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2019-11-27 23:47:58,939 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:47:58,948 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:47:58,962 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:47:58,991 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:47:58,992 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:47:58,992 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:47:58,993 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:47:58,993 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:47:58,993 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:47:58,994 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:47:58,994 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:47:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-11-27 23:47:59,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:47:59,022 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:47:59,023 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:47:59,024 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:47:59,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:47:59,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2019-11-27 23:47:59,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:47:59,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359074257] [2019-11-27 23:47:59,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 23:47:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:48:00,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:48:00,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:48:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:00,103 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:48:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:00,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359074257] [2019-11-27 23:48:00,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:48:00,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:48:00,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671729379] [2019-11-27 23:48:00,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:48:00,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:48:00,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:48:00,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:48:00,131 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-11-27 23:48:00,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:48:00,167 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2019-11-27 23:48:00,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:48:00,169 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-27 23:48:00,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:48:00,183 INFO L225 Difference]: With dead ends: 219 [2019-11-27 23:48:00,184 INFO L226 Difference]: Without dead ends: 107 [2019-11-27 23:48:00,188 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:48:00,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-27 23:48:00,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-27 23:48:00,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-27 23:48:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2019-11-27 23:48:00,234 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2019-11-27 23:48:00,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:48:00,235 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2019-11-27 23:48:00,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:48:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2019-11-27 23:48:00,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 23:48:00,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:48:00,236 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:48:00,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:48:00,438 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:48:00,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:48:00,439 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2019-11-27 23:48:00,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:48:00,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757820279] [2019-11-27 23:48:00,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-27 23:48:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:48:01,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-27 23:48:01,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:48:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:01,774 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:48:01,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:48:02,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:48:02,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:48:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:02,327 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757820279] [2019-11-27 23:48:02,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:48:02,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-11-27 23:48:02,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238484671] [2019-11-27 23:48:02,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-27 23:48:02,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:48:02,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-27 23:48:02,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-27 23:48:02,334 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2019-11-27 23:48:02,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:48:02,857 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2019-11-27 23:48:02,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-27 23:48:02,864 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-11-27 23:48:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:48:02,865 INFO L225 Difference]: With dead ends: 114 [2019-11-27 23:48:02,865 INFO L226 Difference]: Without dead ends: 19 [2019-11-27 23:48:02,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-11-27 23:48:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-27 23:48:02,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-27 23:48:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-27 23:48:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-27 23:48:02,871 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2019-11-27 23:48:02,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:48:02,872 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-27 23:48:02,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-27 23:48:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-27 23:48:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-27 23:48:02,873 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:48:02,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:48:03,074 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:48:03,074 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:48:03,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:48:03,075 INFO L82 PathProgramCache]: Analyzing trace with hash -625824453, now seen corresponding path program 1 times [2019-11-27 23:48:03,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:48:03,077 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298845895] [2019-11-27 23:48:03,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-27 23:48:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:48:04,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 23:48:04,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:48:04,474 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-11-27 23:48:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:04,623 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:48:05,689 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2019-11-27 23:48:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:48:05,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298845895] [2019-11-27 23:48:05,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:48:05,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-27 23:48:05,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256318241] [2019-11-27 23:48:05,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-27 23:48:05,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:48:05,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-27 23:48:05,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:48:05,695 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2019-11-27 23:48:06,231 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-11-27 23:48:06,598 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-11-27 23:48:06,922 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2019-11-27 23:48:06,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:48:06,924 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-27 23:48:06,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-27 23:48:06,924 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-11-27 23:48:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:48:06,925 INFO L225 Difference]: With dead ends: 19 [2019-11-27 23:48:06,925 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:48:06,926 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-11-27 23:48:06,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:48:06,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:48:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:48:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:48:06,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-27 23:48:06,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:48:06,927 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:48:06,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-27 23:48:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:48:06,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:48:07,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:48:07,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:48:07,567 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-27 23:48:07,612 INFO L242 CegarLoopResult]: At program point L118(lines 118 213) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= (fp.add roundNearestTiesToEven ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (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) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (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)) (= ULTIMATE.start___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)))) (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))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-11-27 23:48:07,612 INFO L246 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-11-27 23:48:07,612 INFO L246 CegarLoopResult]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2019-11-27 23:48:07,612 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2019-11-27 23:48:07,612 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-11-27 23:48:07,612 INFO L246 CegarLoopResult]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2019-11-27 23:48:07,612 INFO L246 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L168(lines 168 177) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L69(lines 69 94) no Hoare annotation was computed. [2019-11-27 23:48:07,613 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2019-11-27 23:48:07,614 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:48:07,614 INFO L246 CegarLoopResult]: For program point L185(lines 185 190) no Hoare annotation was computed. [2019-11-27 23:48:07,614 INFO L246 CegarLoopResult]: For program point L86(lines 86 92) no Hoare annotation was computed. [2019-11-27 23:48:07,614 INFO L246 CegarLoopResult]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2019-11-27 23:48:07,614 INFO L246 CegarLoopResult]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2019-11-27 23:48:07,615 INFO L246 CegarLoopResult]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2019-11-27 23:48:07,615 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-27 23:48:07,615 INFO L246 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-11-27 23:48:07,615 INFO L246 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-11-27 23:48:07,615 INFO L246 CegarLoopResult]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2019-11-27 23:48:07,616 INFO L246 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2019-11-27 23:48:07,616 INFO L246 CegarLoopResult]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2019-11-27 23:48:07,616 INFO L246 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-27 23:48:07,616 INFO L246 CegarLoopResult]: For program point L153-2(line 153) no Hoare annotation was computed. [2019-11-27 23:48:07,616 INFO L246 CegarLoopResult]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-11-27 23:48:07,617 INFO L246 CegarLoopResult]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2019-11-27 23:48:07,617 INFO L246 CegarLoopResult]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-11-27 23:48:07,617 INFO L246 CegarLoopResult]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2019-11-27 23:48:07,617 INFO L246 CegarLoopResult]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:48:07,617 INFO L242 CegarLoopResult]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2019-11-27 23:48:07,618 INFO L246 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:48:07,618 INFO L246 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:48:07,618 INFO L242 CegarLoopResult]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2019-11-27 23:48:07,618 INFO L246 CegarLoopResult]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:48:07,618 INFO L246 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-27 23:48:07,619 INFO L246 CegarLoopResult]: For program point L155(lines 155 179) no Hoare annotation was computed. [2019-11-27 23:48:07,619 INFO L246 CegarLoopResult]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2019-11-27 23:48:07,619 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2019-11-27 23:48:07,619 INFO L242 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-11-27 23:48:07,620 INFO L246 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2019-11-27 23:48:07,620 INFO L246 CegarLoopResult]: For program point L156(lines 156 178) no Hoare annotation was computed. [2019-11-27 23:48:07,620 INFO L242 CegarLoopResult]: At program point L24(lines 12 25) the Hoare annotation is: false [2019-11-27 23:48:07,620 INFO L242 CegarLoopResult]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2019-11-27 23:48:07,621 INFO L242 CegarLoopResult]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2019-11-27 23:48:07,621 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-27 23:48:07,621 INFO L246 CegarLoopResult]: For program point L140(lines 140 150) no Hoare annotation was computed. [2019-11-27 23:48:07,621 INFO L246 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-11-27 23:48:07,621 INFO L246 CegarLoopResult]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2019-11-27 23:48:07,622 INFO L246 CegarLoopResult]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2019-11-27 23:48:07,622 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:48:07,622 INFO L246 CegarLoopResult]: For program point L157(lines 157 166) no Hoare annotation was computed. [2019-11-27 23:48:07,622 INFO L246 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-11-27 23:48:07,623 INFO L246 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-11-27 23:48:07,623 INFO L246 CegarLoopResult]: For program point L191(lines 191 212) no Hoare annotation was computed. [2019-11-27 23:48:07,623 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-11-27 23:48:07,623 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-11-27 23:48:07,623 INFO L246 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2019-11-27 23:48:07,623 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-27 23:48:07,624 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-27 23:48:07,624 INFO L246 CegarLoopResult]: For program point L142-2(line 142) no Hoare annotation was computed. [2019-11-27 23:48:07,624 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-27 23:48:07,624 INFO L246 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2019-11-27 23:48:07,624 INFO L246 CegarLoopResult]: For program point L77(lines 77 93) no Hoare annotation was computed. [2019-11-27 23:48:07,625 INFO L246 CegarLoopResult]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2019-11-27 23:48:07,625 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-27 23:48:07,625 INFO L246 CegarLoopResult]: For program point L61(lines 61 68) no Hoare annotation was computed. [2019-11-27 23:48:07,625 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:48:07,626 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2019-11-27 23:48:07,626 INFO L246 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2019-11-27 23:48:07,626 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-11-27 23:48:07,626 INFO L246 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2019-11-27 23:48:07,626 INFO L246 CegarLoopResult]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-11-27 23:48:07,627 INFO L242 CegarLoopResult]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2019-11-27 23:48:07,627 INFO L246 CegarLoopResult]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2019-11-27 23:48:07,627 INFO L246 CegarLoopResult]: For program point L111-4(line 111) no Hoare annotation was computed. [2019-11-27 23:48:07,627 INFO L246 CegarLoopResult]: For program point L111-6(line 111) no Hoare annotation was computed. [2019-11-27 23:48:07,627 INFO L242 CegarLoopResult]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2019-11-27 23:48:07,628 INFO L246 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2019-11-27 23:48:07,628 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-27 23:48:07,628 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x .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))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-11-27 23:48:07,629 INFO L246 CegarLoopResult]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-11-27 23:48:07,629 INFO L246 CegarLoopResult]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-11-27 23:48:07,629 INFO L246 CegarLoopResult]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2019-11-27 23:48:07,629 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:48:07,629 INFO L246 CegarLoopResult]: For program point L228(lines 228 231) no Hoare annotation was computed. [2019-11-27 23:48:07,630 INFO L246 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2019-11-27 23:48:07,630 INFO L246 CegarLoopResult]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-11-27 23:48:07,630 INFO L242 CegarLoopResult]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2019-11-27 23:48:07,630 INFO L246 CegarLoopResult]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2019-11-27 23:48:07,630 INFO L242 CegarLoopResult]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2019-11-27 23:48:07,631 INFO L246 CegarLoopResult]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2019-11-27 23:48:07,631 INFO L246 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2019-11-27 23:48:07,631 INFO L242 CegarLoopResult]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2019-11-27 23:48:07,631 INFO L246 CegarLoopResult]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2019-11-27 23:48:07,632 INFO L242 CegarLoopResult]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2019-11-27 23:48:07,632 INFO L246 CegarLoopResult]: For program point L64(lines 64 67) no Hoare annotation was computed. [2019-11-27 23:48:07,632 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2019-11-27 23:48:07,632 INFO L246 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2019-11-27 23:48:07,632 INFO L246 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2019-11-27 23:48:07,632 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:48:07,633 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2019-11-27 23:48:07,633 INFO L246 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2019-11-27 23:48:07,633 INFO L246 CegarLoopResult]: For program point L182-2(line 182) no Hoare annotation was computed. [2019-11-27 23:48:07,633 INFO L249 CegarLoopResult]: At program point L233(lines 215 234) the Hoare annotation is: true [2019-11-27 23:48:07,634 INFO L246 CegarLoopResult]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-11-27 23:48:07,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,680 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:48:07 BoogieIcfgContainer [2019-11-27 23:48:07,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:48:07,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:48:07,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:48:07,693 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:48:07,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:58" (3/4) ... [2019-11-27 23:48:07,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:48:07,720 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-27 23:48:07,721 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-27 23:48:07,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:48:07,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~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()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-11-27 23:48:07,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\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()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && (\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()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-11-27 23:48:07,862 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:48:07,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:48:07,865 INFO L168 Benchmark]: Toolchain (without parser) took 26058.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 960.4 MB in the beginning and 839.7 MB in the end (delta: 120.7 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:07,865 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:48:07,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:07,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.69 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:07,866 INFO L168 Benchmark]: Boogie Preprocessor took 110.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:07,867 INFO L168 Benchmark]: RCFGBuilder took 16316.64 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:07,867 INFO L168 Benchmark]: TraceAbstraction took 8776.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 846.3 MB in the end (delta: 204.3 MB). Peak memory consumption was 204.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:07,868 INFO L168 Benchmark]: Witness Printer took 170.76 ms. Allocated memory is still 1.2 GB. Free memory was 846.3 MB in the beginning and 839.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:48:07,870 INFO L335 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 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 599.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.69 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16316.64 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8776.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 846.3 MB in the end (delta: 204.3 MB). Peak memory consumption was 204.3 MB. Max. memory is 11.5 GB. * Witness Printer took 170.76 ms. Allocated memory is still 1.2 GB. Free memory was 846.3 MB in the beginning and 839.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation 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 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_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * 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 [2019-11-27 23:48:07,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~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()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2019-11-27 23:48:07,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-27 23:48:07,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-27 23:48:07,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\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()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && (\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()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2019-11-27 23:48:07,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:48:07,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:48:07,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2 && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 181 SDtfs, 123 SDslu, 68 SDs, 0 SdLazy, 45 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.5s 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 DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 188 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10401 SizeOfPredicates, 18 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...