/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0670_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0670_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0670_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:16:35,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:16:35,425 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:16:35,437 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:16:35,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:16:35,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:16:35,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:16:35,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:16:35,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:16:35,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:16:35,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:16:35,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:16:35,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:16:35,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:16:35,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:16:35,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:16:35,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:16:35,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:16:35,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:16:35,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:16:35,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:16:35,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:16:35,463 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:16:35,463 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:16:35,463 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:16:35,464 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:16:35,466 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:16:35,467 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:16:35,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:16:35,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:16:35,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:16:35,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:16:35,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:16:35,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:16:35,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:16:35,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:16:35,473 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:16:35,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:16:35,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:16:35,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:16:35,491 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:16:35,491 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:16:35,492 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:16:35,492 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:16:35,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:16:35,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:16:35,493 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:16:35,493 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:16:35,493 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:16:35,493 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:16:35,493 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:16:35,493 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:16:35,494 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:16:35,494 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:16:35,494 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:16:35,494 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:16:35,494 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:16:35,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:16:35,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:16:35,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:16:35,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:16:35,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:16:35,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:16:35,497 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:16:35,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:16:35,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:16:35,498 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b275d471d235c565842a02c594b024c1203d73 [2018-09-20 15:16:35,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:16:35,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:16:35,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:16:35,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:16:35,590 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:16:35,591 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-09-20 15:16:35,960 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4de832e9/9037904b7d414bf8b2d8a8e05463ef92/FLAGfa1abb6de [2018-09-20 15:16:36,198 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:16:36,200 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-09-20 15:16:36,213 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4de832e9/9037904b7d414bf8b2d8a8e05463ef92/FLAGfa1abb6de [2018-09-20 15:16:36,236 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4de832e9/9037904b7d414bf8b2d8a8e05463ef92 [2018-09-20 15:16:36,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:16:36,244 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:16:36,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:16:36,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:16:36,258 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:16:36,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c7be9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36, skipping insertion in model container [2018-09-20 15:16:36,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,278 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:16:36,624 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:16:36,646 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:16:36,717 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:16:36,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36 WrapperNode [2018-09-20 15:16:36,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:16:36,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:16:36,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:16:36,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:16:36,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (1/1) ... [2018-09-20 15:16:36,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:16:36,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:16:36,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:16:36,854 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:16:36,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (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 [2018-09-20 15:16:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:16:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:16:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:16:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:16:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-20 15:16:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-09-20 15:16:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:16:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:16:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:16:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:16:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:16:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:16:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:16:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:16:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:16:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:16:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:16:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-20 15:16:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-09-20 15:16:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:16:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:16:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:16:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:16:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:16:38,151 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:16:38,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:16:38 BoogieIcfgContainer [2018-09-20 15:16:38,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:16:38,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:16:38,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:16:38,159 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:16:38,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:16:36" (1/3) ... [2018-09-20 15:16:38,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241e76b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:16:38, skipping insertion in model container [2018-09-20 15:16:38,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:36" (2/3) ... [2018-09-20 15:16:38,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241e76b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:16:38, skipping insertion in model container [2018-09-20 15:16:38,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:16:38" (3/3) ... [2018-09-20 15:16:38,164 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670_true-unreach-call.c [2018-09-20 15:16:38,174 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:16:38,186 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:16:38,237 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:16:38,238 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:16:38,238 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:16:38,238 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:16:38,238 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:16:38,239 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:16:38,239 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:16:38,239 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:16:38,239 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:16:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-09-20 15:16:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:16:38,285 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:38,286 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:16:38,290 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:38,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1922002514, now seen corresponding path program 1 times [2018-09-20 15:16:38,299 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:16:38,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:16:38,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:16:38,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:38,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:16:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:16:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-20 15:16:38,499 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:16:38,499 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:16:38,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:16:38,518 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:16:38,519 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:16:38,522 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-09-20 15:16:38,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:38,586 INFO L93 Difference]: Finished difference Result 320 states and 436 transitions. [2018-09-20 15:16:38,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:16:38,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2018-09-20 15:16:38,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:38,603 INFO L225 Difference]: With dead ends: 320 [2018-09-20 15:16:38,604 INFO L226 Difference]: Without dead ends: 162 [2018-09-20 15:16:38,609 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:16:38,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-09-20 15:16:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-09-20 15:16:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-09-20 15:16:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 204 transitions. [2018-09-20 15:16:38,666 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 204 transitions. Word has length 30 [2018-09-20 15:16:38,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:38,669 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 204 transitions. [2018-09-20 15:16:38,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:16:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 204 transitions. [2018-09-20 15:16:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-20 15:16:38,673 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:38,674 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:16:38,674 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:38,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1515697700, now seen corresponding path program 1 times [2018-09-20 15:16:38,675 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:16:38,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:16:38,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:16:38,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:38,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:16:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:16:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:16:38,900 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:16:38,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:16:38 BoogieIcfgContainer [2018-09-20 15:16:38,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:16:38,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:16:38,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:16:38,985 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:16:38,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:16:38" (3/4) ... [2018-09-20 15:16:38,991 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:16:38,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:16:38,992 INFO L168 Benchmark]: Toolchain (without parser) took 2750.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -100.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:38,998 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:16:38,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.56 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:39,000 INFO L168 Benchmark]: Boogie Preprocessor took 65.45 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:16:39,000 INFO L168 Benchmark]: RCFGBuilder took 1298.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:39,002 INFO L168 Benchmark]: TraceAbstraction took 830.52 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: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:39,003 INFO L168 Benchmark]: Witness Printer took 6.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:16:39,008 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 541.56 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.45 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1298.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 830.52 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: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 138. Possible FailurePath: [L30-L35] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L30-L35] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L30-L35] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L30-L35] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L37-L42] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L37-L42] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L37-L42] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L37-L42] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L44-L48] 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, }; [L50-L52] 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; [L118-L119] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(huge_atan)=6442450955, \old(one_atan)=6442450945, \old(pi)=6442450952, \old(pi_lo_atan2)=6442450965, \old(pi_o_2)=6442450946, \old(pi_o_4)=6442450950, \old(tiny_atan2)=6442450960, \old(zero_atan2)=6442450958, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float x = __VERIFIER_nondet_float(); [L225] float y = __VERIFIER_nondet_float(); [L227] CALL, EXPR isnan_float(x) VAL [\old(x)=6442450951, 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] [L13] RET return x != x; VAL [\old(x)=6442450951, \result=1, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, zero_atan2=0] [L227] EXPR isnan_float(x) VAL [huge_atan=1000000000000000000000000000000, isnan_float(x)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L227] isnan_float(x) || isnan_float(y) VAL [huge_atan=1000000000000000000000000000000, isnan_float(x)=1, isnan_float(x) || isnan_float(y)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L227] COND TRUE isnan_float(x) || isnan_float(y) VAL [huge_atan=1000000000000000000000000000000, isnan_float(x)=1, isnan_float(x) || isnan_float(y)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L227] COND TRUE isnan_float(x) || isnan_float(y) [L230] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=6442450951, \old(y)=6442450957, 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] [L122] float z; [L123] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=6442450951, \old(y)=6442450957, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L126] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450951, \old(y)=6442450957, gf_u={6442450961:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L127] FCALL gf_u.value = (x) VAL [\old(x)=6442450951, \old(y)=6442450957, gf_u={6442450961:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L128] EXPR, FCALL gf_u.word VAL [\old(x)=6442450951, \old(y)=6442450957, gf_u={6442450961:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L128] (hx) = gf_u.word VAL [\old(x)=6442450951, \old(y)=6442450957, gf_u={6442450961:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L128] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=6442450959, \old(x)=6442450951, \old(y)=6442450957, gf_u={6442450961:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L129] COND FALSE !(0) VAL [\old(x)=6442450951, \old(y)=6442450957, huge_atan=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L130] ix = hx & 0x7fffffff VAL [\old(x)=6442450951, \old(y)=6442450957, huge_atan=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L132] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450951, \old(y)=6442450957, gf_u={6442450966:0}, huge_atan=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L133] FCALL gf_u.value = (y) VAL [\old(x)=6442450951, \old(y)=6442450957, gf_u={6442450966:0}, huge_atan=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L134] EXPR, FCALL gf_u.word VAL [\old(x)=6442450951, \old(y)=6442450957, gf_u={6442450966:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L134] (hy) = gf_u.word VAL [\old(x)=6442450951, \old(y)=6442450957, gf_u={6442450966:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, hx=12, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L134] FCALL (hy) = gf_u.word VAL [(hy) = gf_u.word=6442450947, \old(x)=6442450951, \old(y)=6442450957, gf_u={6442450966:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, hx=12, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L135] COND FALSE !(0) VAL [\old(x)=6442450951, \old(y)=6442450957, huge_atan=1000000000000000000000000000000, hx=12, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L136] iy = hy & 0x7fffffff VAL [\old(x)=6442450951, \old(y)=6442450957, huge_atan=1000000000000000000000000000000, hx=12, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L137] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L138] RET return x + y; VAL [\old(x)=6442450951, \old(y)=6442450957, huge_atan=1000000000000000000000000000000, hx=12, hy=-2147483648, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L230] EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=6442450956, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L230] float res = __ieee754_atan2f(y, x); [L233] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450956, 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] [L13] RET return x != x; VAL [\old(x)=6442450956, \result=0, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, zero_atan2=0] [L233] EXPR isnan_float(res) VAL [huge_atan=1000000000000000000000000000000, isnan_float(res)=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450956, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] [L233] COND TRUE !isnan_float(res) [L234] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450956, tiny_atan2=1/1000000000000000000000000000000, x=6442450951, y=6442450957, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 167 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 210 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=167occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 15:16:41,410 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:16:41,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:16:41,431 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:16:41,431 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:16:41,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:16:41,434 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:16:41,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:16:41,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:16:41,441 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:16:41,442 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:16:41,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:16:41,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:16:41,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:16:41,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:16:41,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:16:41,456 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:16:41,462 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:16:41,466 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:16:41,467 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:16:41,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:16:41,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:16:41,478 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:16:41,478 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:16:41,478 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:16:41,479 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:16:41,480 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:16:41,481 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:16:41,482 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:16:41,483 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:16:41,483 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:16:41,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:16:41,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:16:41,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:16:41,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:16:41,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:16:41,488 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:16:41,515 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:16:41,515 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:16:41,516 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:16:41,516 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:16:41,517 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:16:41,517 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:16:41,517 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:16:41,520 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:16:41,520 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:16:41,520 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:16:41,520 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:16:41,521 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:16:41,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:16:41,521 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:16:41,521 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:16:41,521 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:16:41,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:16:41,522 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:16:41,522 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:16:41,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:16:41,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:16:41,523 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:16:41,524 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:16:41,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:16:41,524 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:16:41,524 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:16:41,524 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:16:41,524 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:16:41,525 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:16:41,525 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:16:41,525 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:16:41,525 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b275d471d235c565842a02c594b024c1203d73 [2018-09-20 15:16:41,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:16:41,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:16:41,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:16:41,624 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:16:41,624 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:16:41,625 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-09-20 15:16:41,984 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb16b469/bce227988a894d1bbbbd55d7ce20c51d/FLAG5f5ac149d [2018-09-20 15:16:42,160 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:16:42,161 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-09-20 15:16:42,171 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb16b469/bce227988a894d1bbbbd55d7ce20c51d/FLAG5f5ac149d [2018-09-20 15:16:42,186 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb16b469/bce227988a894d1bbbbd55d7ce20c51d [2018-09-20 15:16:42,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:16:42,193 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:16:42,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:16:42,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:16:42,203 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:16:42,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5485c804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42, skipping insertion in model container [2018-09-20 15:16:42,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,220 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:16:42,532 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:16:42,556 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:16:42,606 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:16:42,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42 WrapperNode [2018-09-20 15:16:42,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:16:42,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:16:42,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:16:42,675 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:16:42,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (1/1) ... [2018-09-20 15:16:42,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:16:42,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:16:42,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:16:42,788 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:16:42,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (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 [2018-09-20 15:16:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:16:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:16:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:16:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:16:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-20 15:16:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-09-20 15:16:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:16:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:16:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:16:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:16:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:16:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-20 15:16:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-09-20 15:16:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:16:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:16:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:16:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:16:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:16:43,273 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:43,296 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:43,338 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:43,353 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:44,314 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:44,354 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:47,413 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:47,420 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:54,713 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:56,859 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:16:57,754 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:16:57,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:16:57 BoogieIcfgContainer [2018-09-20 15:16:57,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:16:57,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:16:57,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:16:57,760 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:16:57,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:16:42" (1/3) ... [2018-09-20 15:16:57,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d3de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:16:57, skipping insertion in model container [2018-09-20 15:16:57,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:16:42" (2/3) ... [2018-09-20 15:16:57,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d3de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:16:57, skipping insertion in model container [2018-09-20 15:16:57,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:16:57" (3/3) ... [2018-09-20 15:16:57,765 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670_true-unreach-call.c [2018-09-20 15:16:57,774 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:16:57,782 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:16:57,830 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:16:57,831 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:16:57,831 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:16:57,831 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:16:57,831 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:16:57,831 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:16:57,831 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:16:57,832 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:16:57,832 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:16:57,857 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-09-20 15:16:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-20 15:16:57,866 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:57,868 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:16:57,870 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:57,876 INFO L82 PathProgramCache]: Analyzing trace with hash 451663210, now seen corresponding path program 1 times [2018-09-20 15:16:57,881 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:16:57,882 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:16:57,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:16:58,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:16:58,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:16:58,057 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:16:58,075 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:16:58,075 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:16:58,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:16:58,098 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:16:58,099 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:16:58,102 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-09-20 15:16:58,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:58,155 INFO L93 Difference]: Finished difference Result 318 states and 434 transitions. [2018-09-20 15:16:58,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:16:58,157 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-09-20 15:16:58,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:58,171 INFO L225 Difference]: With dead ends: 318 [2018-09-20 15:16:58,172 INFO L226 Difference]: Without dead ends: 161 [2018-09-20 15:16:58,178 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:16:58,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-09-20 15:16:58,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-09-20 15:16:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-09-20 15:16:58,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 203 transitions. [2018-09-20 15:16:58,240 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 203 transitions. Word has length 29 [2018-09-20 15:16:58,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:58,245 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 203 transitions. [2018-09-20 15:16:58,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:16:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 203 transitions. [2018-09-20 15:16:58,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-20 15:16:58,249 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:58,249 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:16:58,250 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:58,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1527564420, now seen corresponding path program 1 times [2018-09-20 15:16:58,251 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:16:58,251 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:16:58,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:16:58,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:16:58,585 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-20 15:17:03,051 WARN L178 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 15:17:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-20 15:17:05,840 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:17:05,859 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:17:05,860 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-20 15:17:05,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-20 15:17:05,865 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-20 15:17:05,865 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-20 15:17:05,865 INFO L87 Difference]: Start difference. First operand 161 states and 203 transitions. Second operand 11 states. [2018-09-20 15:17:10,005 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-20 15:17:14,597 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 15:17:15,233 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 15:17:29,158 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-20 15:17:30,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:17:30,731 INFO L93 Difference]: Finished difference Result 175 states and 219 transitions. [2018-09-20 15:17:30,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:17:30,732 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 47 [2018-09-20 15:17:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:17:30,738 INFO L225 Difference]: With dead ends: 175 [2018-09-20 15:17:30,738 INFO L226 Difference]: Without dead ends: 170 [2018-09-20 15:17:30,739 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:17:30,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-09-20 15:17:30,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 165. [2018-09-20 15:17:30,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-09-20 15:17:30,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 208 transitions. [2018-09-20 15:17:30,760 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 208 transitions. Word has length 47 [2018-09-20 15:17:30,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:17:30,760 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 208 transitions. [2018-09-20 15:17:30,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-20 15:17:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2018-09-20 15:17:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-20 15:17:30,763 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:17:30,764 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:17:30,764 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:17:30,764 INFO L82 PathProgramCache]: Analyzing trace with hash 788209589, now seen corresponding path program 1 times [2018-09-20 15:17:30,765 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:17:30,766 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:17:30,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:17:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:17:30,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:17:35,324 WARN L178 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 15:17:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-20 15:17:36,771 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:17:36,786 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:17:36,786 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-20 15:17:36,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-20 15:17:36,787 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-20 15:17:36,787 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-20 15:17:36,787 INFO L87 Difference]: Start difference. First operand 165 states and 208 transitions. Second operand 11 states. [2018-09-20 15:17:39,200 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-20 15:18:00,282 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 15:18:01,795 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 15:18:03,522 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-20 15:18:03,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:18:03,573 INFO L93 Difference]: Finished difference Result 177 states and 221 transitions. [2018-09-20 15:18:03,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:18:03,574 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2018-09-20 15:18:03,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:18:03,577 INFO L225 Difference]: With dead ends: 177 [2018-09-20 15:18:03,577 INFO L226 Difference]: Without dead ends: 170 [2018-09-20 15:18:03,578 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:18:03,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-09-20 15:18:03,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 165. [2018-09-20 15:18:03,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-09-20 15:18:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 207 transitions. [2018-09-20 15:18:03,594 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 207 transitions. Word has length 52 [2018-09-20 15:18:03,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:18:03,595 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 207 transitions. [2018-09-20 15:18:03,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-20 15:18:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 207 transitions. [2018-09-20 15:18:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-20 15:18:03,599 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:18:03,599 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:18:03,599 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:18:03,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1873274995, now seen corresponding path program 1 times [2018-09-20 15:18:03,600 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:18:03,600 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:18:03,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:18:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:18:03,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:18:04,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:18:04,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:18:04,038 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:18:04,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:04,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:04,057 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:18:04,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:18:04,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:18:04,099 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:18:04,102 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:04,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:04,107 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:18:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:18:04,327 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:18:04,342 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:18:04,342 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 15:18:04,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 15:18:04,343 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 15:18:04,343 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-09-20 15:18:04,344 INFO L87 Difference]: Start difference. First operand 165 states and 207 transitions. Second operand 12 states. [2018-09-20 15:18:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:18:06,687 INFO L93 Difference]: Finished difference Result 180 states and 222 transitions. [2018-09-20 15:18:06,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 15:18:06,688 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2018-09-20 15:18:06,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:18:06,690 INFO L225 Difference]: With dead ends: 180 [2018-09-20 15:18:06,690 INFO L226 Difference]: Without dead ends: 172 [2018-09-20 15:18:06,691 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2018-09-20 15:18:06,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-09-20 15:18:06,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 167. [2018-09-20 15:18:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-09-20 15:18:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 209 transitions. [2018-09-20 15:18:06,707 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 209 transitions. Word has length 52 [2018-09-20 15:18:06,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:18:06,708 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 209 transitions. [2018-09-20 15:18:06,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 15:18:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 209 transitions. [2018-09-20 15:18:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-20 15:18:06,710 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:18:06,710 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:18:06,711 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:18:06,711 INFO L82 PathProgramCache]: Analyzing trace with hash 30156725, now seen corresponding path program 1 times [2018-09-20 15:18:06,711 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:18:06,711 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:18:06,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:18:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:18:06,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:18:06,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:18:06,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:18:06,964 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:18:06,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:06,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:06,984 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:18:07,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:18:07,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:18:07,028 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:18:07,033 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:07,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:07,039 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:18:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:18:07,305 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:18:07,318 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:18:07,318 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 15:18:07,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 15:18:07,318 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 15:18:07,319 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-09-20 15:18:07,319 INFO L87 Difference]: Start difference. First operand 167 states and 209 transitions. Second operand 12 states. [2018-09-20 15:18:10,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:18:10,389 INFO L93 Difference]: Finished difference Result 175 states and 216 transitions. [2018-09-20 15:18:10,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 15:18:10,391 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2018-09-20 15:18:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:18:10,392 INFO L225 Difference]: With dead ends: 175 [2018-09-20 15:18:10,393 INFO L226 Difference]: Without dead ends: 163 [2018-09-20 15:18:10,394 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2018-09-20 15:18:10,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-09-20 15:18:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 161. [2018-09-20 15:18:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-09-20 15:18:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 200 transitions. [2018-09-20 15:18:10,408 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 200 transitions. Word has length 52 [2018-09-20 15:18:10,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:18:10,408 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 200 transitions. [2018-09-20 15:18:10,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 15:18:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 200 transitions. [2018-09-20 15:18:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-20 15:18:10,410 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:18:10,410 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:18:10,411 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:18:10,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1469397978, now seen corresponding path program 1 times [2018-09-20 15:18:10,411 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:18:10,411 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 15:18:10,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:18:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:18:10,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:18:10,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:18:10,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:18:10,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:18:10,931 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:10,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:10,943 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:18:10,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:18:10,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:18:10,993 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:18:10,997 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:11,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:18:11,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:18:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-20 15:18:11,223 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:18:11,237 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:18:11,239 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 15:18:11,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 15:18:11,239 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 15:18:11,240 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-09-20 15:18:11,240 INFO L87 Difference]: Start difference. First operand 161 states and 200 transitions. Second operand 12 states. [2018-09-20 15:18:13,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:18:13,580 INFO L93 Difference]: Finished difference Result 164 states and 202 transitions. [2018-09-20 15:18:13,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 15:18:13,581 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2018-09-20 15:18:13,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:18:13,582 INFO L225 Difference]: With dead ends: 164 [2018-09-20 15:18:13,582 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:18:13,583 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2018-09-20 15:18:13,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:18:13,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:18:13,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:18:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:18:13,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2018-09-20 15:18:13,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:18:13,584 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:18:13,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 15:18:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:18:13,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:18:13,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:18:13,878 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 15:18:14,053 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 15:18:14,204 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 15:18:14,432 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 15:18:14,808 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:18:14,850 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-09-20 15:18:14,851 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-09-20 15:18:14,851 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-09-20 15:18:14,851 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:18:14,851 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:18:14,851 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:18:14,851 INFO L426 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-09-20 15:18:14,851 INFO L426 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2018-09-20 15:18:14,851 INFO L426 ceAbstractionStarter]: For program point L185-2(line 185) no Hoare annotation was computed. [2018-09-20 15:18:14,851 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-20 15:18:14,851 INFO L426 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-09-20 15:18:14,852 INFO L426 ceAbstractionStarter]: For program point L202-2(line 202) no Hoare annotation was computed. [2018-09-20 15:18:14,852 INFO L426 ceAbstractionStarter]: For program point L137(lines 137 138) no Hoare annotation was computed. [2018-09-20 15:18:14,852 INFO L426 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-09-20 15:18:14,852 INFO L426 ceAbstractionStarter]: For program point L171(lines 171 180) no Hoare annotation was computed. [2018-09-20 15:18:14,852 INFO L426 ceAbstractionStarter]: For program point L204-2(lines 197 209) no Hoare annotation was computed. [2018-09-20 15:18:14,852 INFO L426 ceAbstractionStarter]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2018-09-20 15:18:14,852 INFO L426 ceAbstractionStarter]: For program point L188(lines 188 193) no Hoare annotation was computed. [2018-09-20 15:18:14,855 INFO L426 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-09-20 15:18:14,855 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-20 15:18:14,856 INFO L426 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-09-20 15:18:14,856 INFO L426 ceAbstractionStarter]: For program point L139(lines 139 140) no Hoare annotation was computed. [2018-09-20 15:18:14,856 INFO L426 ceAbstractionStarter]: For program point L205-2(line 205) no Hoare annotation was computed. [2018-09-20 15:18:14,856 INFO L426 ceAbstractionStarter]: For program point L205-3(line 205) no Hoare annotation was computed. [2018-09-20 15:18:14,856 INFO L426 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-09-20 15:18:14,856 INFO L426 ceAbstractionStarter]: For program point L156-2(line 156) no Hoare annotation was computed. [2018-09-20 15:18:14,856 INFO L426 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-09-20 15:18:14,856 INFO L422 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (not (bvsgt (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) (_ bv2139095040 32))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point L190(lines 190 193) no Hoare annotation was computed. [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point L190-2(lines 188 193) no Hoare annotation was computed. [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point __ieee754_atan2fFINAL(lines 121 216) no Hoare annotation was computed. [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point L207-2(line 207) no Hoare annotation was computed. [2018-09-20 15:18:14,857 INFO L426 ceAbstractionStarter]: For program point L158(lines 158 182) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L158-1(lines 121 216) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L422 ceAbstractionStarter]: At program point L125-3(lines 125 129) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y)) [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L125-4(lines 125 129) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L159(lines 159 181) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L126-1(line 126) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L126-2(line 126) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L126-3(line 126) no Hoare annotation was computed. [2018-09-20 15:18:14,858 INFO L426 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2018-09-20 15:18:14,859 INFO L426 ceAbstractionStarter]: For program point __ieee754_atan2fEXIT(lines 121 216) no Hoare annotation was computed. [2018-09-20 15:18:14,859 INFO L426 ceAbstractionStarter]: For program point L143(lines 143 153) no Hoare annotation was computed. [2018-09-20 15:18:14,859 INFO L426 ceAbstractionStarter]: For program point L143-2(lines 121 216) no Hoare annotation was computed. [2018-09-20 15:18:14,859 INFO L422 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (not (bvsgt (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) (_ bv2139095040 32))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-09-20 15:18:14,859 INFO L426 ceAbstractionStarter]: For program point L160(lines 160 169) no Hoare annotation was computed. [2018-09-20 15:18:14,859 INFO L422 ceAbstractionStarter]: At program point L193-1(line 193) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (not (bvsgt (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) (_ bv2139095040 32))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-09-20 15:18:14,861 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L193-2(line 193) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 152) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L194(lines 194 215) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L128-2(line 128) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-20 15:18:14,862 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-20 15:18:14,863 INFO L426 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2018-09-20 15:18:14,863 INFO L426 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-09-20 15:18:14,863 INFO L426 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2018-09-20 15:18:14,863 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-20 15:18:14,863 INFO L426 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2018-09-20 15:18:14,863 INFO L426 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-09-20 15:18:14,863 INFO L426 ceAbstractionStarter]: For program point L131-1(lines 131 135) no Hoare annotation was computed. [2018-09-20 15:18:14,863 INFO L422 ceAbstractionStarter]: At program point L131-3(lines 131 135) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-09-20 15:18:14,863 INFO L426 ceAbstractionStarter]: For program point L131-4(lines 131 135) no Hoare annotation was computed. [2018-09-20 15:18:14,864 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-20 15:18:14,864 INFO L426 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-09-20 15:18:14,864 INFO L426 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-09-20 15:18:14,864 INFO L426 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2018-09-20 15:18:14,864 INFO L426 ceAbstractionStarter]: For program point L132-2(line 132) no Hoare annotation was computed. [2018-09-20 15:18:14,864 INFO L426 ceAbstractionStarter]: For program point L132-3(line 132) no Hoare annotation was computed. [2018-09-20 15:18:14,864 INFO L429 ceAbstractionStarter]: At program point __ieee754_atan2fENTRY(lines 121 216) the Hoare annotation is: true [2018-09-20 15:18:14,864 INFO L426 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-09-20 15:18:14,864 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-20 15:18:14,865 INFO L422 ceAbstractionStarter]: At program point L199-3(lines 199 203) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (not (bvsgt (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) (_ bv2139095040 32))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-09-20 15:18:14,865 INFO L426 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-09-20 15:18:14,865 INFO L426 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-09-20 15:18:14,865 INFO L426 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2018-09-20 15:18:14,865 INFO L426 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-09-20 15:18:14,865 INFO L426 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2018-09-20 15:18:14,865 INFO L426 ceAbstractionStarter]: For program point L200-2(line 200) no Hoare annotation was computed. [2018-09-20 15:18:14,865 INFO L426 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L200-3(line 200) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L134-2(line 134) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 15 28) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 15:18:14,866 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-20 15:18:14,867 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-20 15:18:14,867 INFO L426 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:18:14,867 INFO L429 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: true [2018-09-20 15:18:14,867 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 15 28) no Hoare annotation was computed. [2018-09-20 15:18:14,867 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 15:18:14,867 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 15 28) the Hoare annotation is: true [2018-09-20 15:18:14,867 INFO L426 ceAbstractionStarter]: For program point L22(lines 22 26) no Hoare annotation was computed. [2018-09-20 15:18:14,867 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 15:18:14,867 INFO L426 ceAbstractionStarter]: For program point L22-2(lines 15 28) no Hoare annotation was computed. [2018-09-20 15:18:14,867 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 15:18:14,868 INFO L426 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-09-20 15:18:14,868 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:18:14,868 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 15:18:14,868 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-20 15:18:14,868 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-20 15:18:14,868 INFO L426 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-09-20 15:18:14,868 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:18:14,868 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:18:14,868 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:18:14,868 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:18:14,869 INFO L426 ceAbstractionStarter]: For program point L227-2(line 227) no Hoare annotation was computed. [2018-09-20 15:18:14,869 INFO L422 ceAbstractionStarter]: At program point L227-4(line 227) the Hoare annotation is: (let ((.cse1 (fp.eq main_~x~0 main_~x~0))) (let ((.cse0 (not .cse1))) (and (or (and |main_#t~short29| .cse0) (and .cse1 (not |main_#t~short29|))) (or (and (= |main_#t~ret27| (_ bv0 32)) .cse1) (and (= (_ bv1 32) |main_#t~ret27|) .cse0))))) [2018-09-20 15:18:14,869 INFO L426 ceAbstractionStarter]: For program point L227-5(line 227) no Hoare annotation was computed. [2018-09-20 15:18:14,869 INFO L426 ceAbstractionStarter]: For program point L227-6(lines 227 237) no Hoare annotation was computed. [2018-09-20 15:18:14,869 INFO L426 ceAbstractionStarter]: For program point L227-8(lines 227 237) no Hoare annotation was computed. [2018-09-20 15:18:14,869 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 218 240) no Hoare annotation was computed. [2018-09-20 15:18:14,869 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 218 240) no Hoare annotation was computed. [2018-09-20 15:18:14,869 INFO L426 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-09-20 15:18:14,869 INFO L422 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (or (not (fp.eq main_~x~0 main_~x~0)) (not (fp.eq main_~y~0 main_~y~0))) [2018-09-20 15:18:14,869 INFO L426 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-09-20 15:18:14,870 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 218 240) the Hoare annotation is: true [2018-09-20 15:18:14,870 INFO L422 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (and (exists ((main_~y~0 (_ FloatingPoint 8 24)) (__ieee754_atan2f_~x (_ FloatingPoint 8 24))) (and (= (fp.add RNE __ieee754_atan2f_~x main_~y~0) main_~res~0) (not (fp.eq main_~y~0 main_~y~0)))) (not (fp.eq main_~y~0 main_~y~0))) (and (exists ((main_~x~0 (_ FloatingPoint 8 24)) (__ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= main_~res~0 (fp.add RNE main_~x~0 __ieee754_atan2f_~y)) (not (fp.eq main_~x~0 main_~x~0)))) (not (fp.eq main_~x~0 main_~x~0)))) [2018-09-20 15:18:14,870 INFO L426 ceAbstractionStarter]: For program point L233-1(lines 233 236) no Hoare annotation was computed. [2018-09-20 15:18:14,870 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2018-09-20 15:18:14,870 INFO L429 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: true [2018-09-20 15:18:14,870 INFO L426 ceAbstractionStarter]: For program point L227-1(line 227) no Hoare annotation was computed. [2018-09-20 15:18:14,870 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 71) no Hoare annotation was computed. [2018-09-20 15:18:14,870 INFO L429 ceAbstractionStarter]: At program point atan_floatENTRY(lines 54 116) the Hoare annotation is: true [2018-09-20 15:18:14,870 INFO L426 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point atan_floatFINAL(lines 54 116) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point L89(lines 89 95) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point L89-2(lines 72 97) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point L81(lines 81 87) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point L114-2(line 114) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point L73(lines 73 76) no Hoare annotation was computed. [2018-09-20 15:18:14,871 INFO L426 ceAbstractionStarter]: For program point L73-2(lines 73 76) no Hoare annotation was computed. [2018-09-20 15:18:14,872 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 66) no Hoare annotation was computed. [2018-09-20 15:18:14,872 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-20 15:18:14,872 INFO L426 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-09-20 15:18:14,872 INFO L426 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-09-20 15:18:14,872 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-09-20 15:18:14,872 INFO L426 ceAbstractionStarter]: For program point L58-1(lines 58 62) no Hoare annotation was computed. [2018-09-20 15:18:14,872 INFO L429 ceAbstractionStarter]: At program point L58-3(lines 58 62) the Hoare annotation is: true [2018-09-20 15:18:14,872 INFO L426 ceAbstractionStarter]: For program point L58-4(lines 58 62) no Hoare annotation was computed. [2018-09-20 15:18:14,872 INFO L429 ceAbstractionStarter]: At program point L79(line 79) the Hoare annotation is: true [2018-09-20 15:18:14,872 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-20 15:18:14,873 INFO L426 ceAbstractionStarter]: For program point L67(lines 67 70) no Hoare annotation was computed. [2018-09-20 15:18:14,873 INFO L426 ceAbstractionStarter]: For program point atan_floatEXIT(lines 54 116) no Hoare annotation was computed. [2018-09-20 15:18:14,873 INFO L426 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-09-20 15:18:14,873 INFO L426 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2018-09-20 15:18:14,873 INFO L426 ceAbstractionStarter]: For program point L59-2(line 59) no Hoare annotation was computed. [2018-09-20 15:18:14,873 INFO L426 ceAbstractionStarter]: For program point L59-3(line 59) no Hoare annotation was computed. [2018-09-20 15:18:14,873 INFO L426 ceAbstractionStarter]: For program point L80(lines 80 96) no Hoare annotation was computed. [2018-09-20 15:18:14,873 INFO L426 ceAbstractionStarter]: For program point L72(lines 72 97) no Hoare annotation was computed. [2018-09-20 15:18:14,883 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,884 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,885 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,885 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,885 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,885 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,886 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,886 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,886 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,886 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,886 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,887 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,887 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,887 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,887 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,887 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,900 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,906 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,906 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,906 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:14,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,908 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,908 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,908 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,910 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,910 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,910 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,910 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,912 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,912 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,912 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,912 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:14,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:18:14 BoogieIcfgContainer [2018-09-20 15:18:14,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:18:14,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:18:14,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:18:14,923 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:18:14,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:16:57" (3/4) ... [2018-09-20 15:18:14,929 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:18:14,937 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:18:14,938 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:18:14,938 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:18:14,938 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2f [2018-09-20 15:18:14,938 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:18:14,938 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-09-20 15:18:14,949 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-09-20 15:18:14,951 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-20 15:18:14,951 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:18:14,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && \old(y) == y [2018-09-20 15:18:14,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(__ieee754_atan2f_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-09-20 15:18:14,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(x) == x && (\exists __ieee754_atan2f_~hy~0 : bv32 :: \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]) && !~bvsgt32(~bvand32(__ieee754_atan2f_~hy~0, 2147483647bv32), 2139095040bv32))) && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(__ieee754_atan2f_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0])) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(__ieee754_atan2f_~hy~0, 2147483647bv32) == iy && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && (\exists __ieee754_atan2f_~hx~1 : bv32 :: !~bvsgt32(~bvand32(__ieee754_atan2f_~hx~1, 2147483647bv32), 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-09-20 15:18:15,073 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:18:15,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:18:15,079 INFO L168 Benchmark]: Toolchain (without parser) took 92887.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 953.2 MB in the beginning and 906.2 MB in the end (delta: 47.0 MB). Peak memory consumption was 259.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:15,080 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:18:15,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.53 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:15,081 INFO L168 Benchmark]: Boogie Preprocessor took 111.95 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:18:15,082 INFO L168 Benchmark]: RCFGBuilder took 14967.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:15,082 INFO L168 Benchmark]: TraceAbstraction took 77165.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 921.0 MB in the end (delta: 173.0 MB). Peak memory consumption was 229.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:15,084 INFO L168 Benchmark]: Witness Printer took 155.33 ms. Allocated memory is still 1.2 GB. Free memory was 921.0 MB in the beginning and 906.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:15,087 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 480.53 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.95 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 14967.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 77165.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 921.0 MB in the end (delta: 173.0 MB). Peak memory consumption was 229.7 MB. Max. memory is 11.5 GB. * Witness Printer took 155.33 ms. Allocated memory is still 1.2 GB. Free memory was 921.0 MB in the beginning and 906.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 199]: Loop Invariant [2018-09-20 15:18:15,107 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,108 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,108 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,108 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,108 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,110 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,110 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,110 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,110 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,110 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,115 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,115 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,115 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,116 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,116 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,116 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,116 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,116 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,122 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,122 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,122 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,122 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:18:15,122 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,122 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,123 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,123 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((((((\old(x) == x && (\exists __ieee754_atan2f_~hy~0 : bv32 :: \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]) && !~bvsgt32(~bvand32(__ieee754_atan2f_~hy~0, 2147483647bv32), 2139095040bv32))) && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(__ieee754_atan2f_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0])) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(__ieee754_atan2f_~hy~0, 2147483647bv32) == iy && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && (\exists __ieee754_atan2f_~hx~1 : bv32 :: !~bvsgt32(~bvand32(__ieee754_atan2f_~hx~1, 2147483647bv32), 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 131]: Loop Invariant [2018-09-20 15:18:15,124 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,124 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,124 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,124 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,128 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,128 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,128 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:18:15,129 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(__ieee754_atan2f_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: \old(x) == x && \old(y) == y - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 166 locations, 1 error locations. SAFE Result, 77.0s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 59.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1131 SDtfs, 1201 SDslu, 7426 SDs, 0 SdLazy, 1030 SolverSat, 52 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 45.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 26.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 50 PreInvPairs, 71 NumberOfFragments, 489 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 21 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 283 ConstructedInterpolants, 54 QuantifiedInterpolants, 92776 SizeOfPredicates, 47 NumberOfNonLiveVariables, 752 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 30/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...