/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0686a_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_0686a_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 2e4c57dd78ca61b194172b998a147be383066b6a ...................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0686a_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 2e4c57dd78ca61b194172b998a147be383066b6a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:18:52,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:18:52,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:18:52,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:18:52,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:18:52,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:18:52,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:18:52,800 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:18:52,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:18:52,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:18:52,803 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:18:52,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:18:52,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:18:52,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:18:52,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:18:52,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:18:52,808 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:18:52,810 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:18:52,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:18:52,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:18:52,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:18:52,816 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:18:52,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:18:52,819 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:18:52,819 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:18:52,821 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:18:52,824 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:18:52,826 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:18:52,827 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:18:52,830 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:18:52,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:18:52,831 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:18:52,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:18:52,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:18:52,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:18:52,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:18:52,836 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:18:52,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:18:52,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:18:52,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:18:52,869 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:18:52,869 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:18:52,869 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:18:52,870 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:18:52,870 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:18:52,870 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:18:52,870 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:18:52,871 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:18:52,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:18:52,872 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:18:52,872 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:18:52,872 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:18:52,872 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:18:52,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:18:52,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:18:52,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:18:52,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:18:52,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:18:52,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:18:52,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:18:52,875 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:18:52,875 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:18:52,875 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:18:52,875 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:18:52,875 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:18:52,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:18:52,876 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 -> 2e4c57dd78ca61b194172b998a147be383066b6a [2018-09-20 15:18:52,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:18:52,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:18:52,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:18:52,962 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:18:52,963 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:18:52,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0686a_true-unreach-call.c [2018-09-20 15:18:53,306 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a2c8758/986f01c6657345ce97d51e266b310d9a/FLAG728269354 [2018-09-20 15:18:53,537 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:18:53,538 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0686a_true-unreach-call.c [2018-09-20 15:18:53,553 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a2c8758/986f01c6657345ce97d51e266b310d9a/FLAG728269354 [2018-09-20 15:18:53,580 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a2c8758/986f01c6657345ce97d51e266b310d9a [2018-09-20 15:18:53,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:18:53,589 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:18:53,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:18:53,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:18:53,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:18:53,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:53,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6546c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53, skipping insertion in model container [2018-09-20 15:18:53,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:53,614 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:18:53,884 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:18:53,906 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:18:53,944 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:18:53,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53 WrapperNode [2018-09-20 15:18:53,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:18:53,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:18:53,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:18:53,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:18:54,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:54,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:54,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:54,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:54,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:54,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:54,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (1/1) ... [2018-09-20 15:18:54,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:18:54,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:18:54,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:18:54,066 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:18:54,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (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 15:18:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:18:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:18:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:18:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-20 15:18:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-09-20 15:18:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:18:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:18:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:18:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:18:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:18:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-20 15:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-09-20 15:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:18:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:18:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:18:55,407 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:18:55,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:18:55 BoogieIcfgContainer [2018-09-20 15:18:55,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:18:55,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:18:55,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:18:55,413 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:18:55,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:18:53" (1/3) ... [2018-09-20 15:18:55,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6918cc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:18:55, skipping insertion in model container [2018-09-20 15:18:55,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:53" (2/3) ... [2018-09-20 15:18:55,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6918cc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:18:55, skipping insertion in model container [2018-09-20 15:18:55,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:18:55" (3/3) ... [2018-09-20 15:18:55,418 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a_true-unreach-call.c [2018-09-20 15:18:55,428 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:18:55,437 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:18:55,484 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:18:55,485 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:18:55,485 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:18:55,485 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:18:55,485 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:18:55,485 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:18:55,486 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:18:55,486 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:18:55,486 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:18:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-09-20 15:18:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-20 15:18:55,518 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:18:55,520 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:18:55,523 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:18:55,528 INFO L82 PathProgramCache]: Analyzing trace with hash -61180521, now seen corresponding path program 1 times [2018-09-20 15:18:55,531 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:18:55,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:18:55,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:18:55,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:18:55,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:18:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:18:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:18:55,722 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:18:55,722 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:18:55,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:18:55,742 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:18:55,743 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:18:55,747 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-09-20 15:18:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:18:55,793 INFO L93 Difference]: Finished difference Result 302 states and 414 transitions. [2018-09-20 15:18:55,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:18:55,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-20 15:18:55,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:18:55,817 INFO L225 Difference]: With dead ends: 302 [2018-09-20 15:18:55,819 INFO L226 Difference]: Without dead ends: 151 [2018-09-20 15:18:55,826 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 15:18:55,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-09-20 15:18:55,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-09-20 15:18:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-09-20 15:18:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 190 transitions. [2018-09-20 15:18:55,883 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 190 transitions. Word has length 18 [2018-09-20 15:18:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:18:55,885 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 190 transitions. [2018-09-20 15:18:55,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:18:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2018-09-20 15:18:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-20 15:18:55,888 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:18:55,888 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:18:55,889 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:18:55,889 INFO L82 PathProgramCache]: Analyzing trace with hash -639568855, now seen corresponding path program 1 times [2018-09-20 15:18:55,889 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:18:55,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:18:55,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:18:55,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:18:55,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:18:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:18:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:18:56,106 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:18:56,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:18:56 BoogieIcfgContainer [2018-09-20 15:18:56,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:18:56,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:18:56,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:18:56,193 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:18:56,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:18:55" (3/4) ... [2018-09-20 15:18:56,201 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:18:56,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:18:56,204 INFO L168 Benchmark]: Toolchain (without parser) took 2618.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -112.7 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:56,208 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 15:18:56,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.85 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:56,210 INFO L168 Benchmark]: Boogie Preprocessor took 71.45 ms. Allocated memory is still 1.0 GB. Free memory was 938.4 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:56,212 INFO L168 Benchmark]: RCFGBuilder took 1344.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:56,214 INFO L168 Benchmark]: TraceAbstraction took 783.99 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:18:56,215 INFO L168 Benchmark]: Witness Printer took 10.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:18:56,222 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 401.85 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.45 ms. Allocated memory is still 1.0 GB. Free memory was 938.4 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1344.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 783.99 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * Witness Printer took 10.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 228]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 227, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(huge_atan)=10737418251, \old(one_atan)=10737418241, \old(pi)=10737418247, \old(pi_lo_atan2)=10737418261, \old(pi_o_2)=10737418242, \old(pi_o_4)=10737418246, \old(tiny_atan2)=10737418254, \old(zero_atan2)=10737418252, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L221] float x = 1.0f / 0.0f; [L222] float y = 1.0f / 0.0f; VAL [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] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=10737418257, \old(y)=10737418260, 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] [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=10737418257, \old(y)=10737418260, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L123] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418257, \old(y)=10737418260, gf_u={10737418258:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L124] FCALL gf_u.value = (x) VAL [\old(x)=10737418257, \old(y)=10737418260, gf_u={10737418258:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L125] EXPR, FCALL gf_u.word VAL [\old(x)=10737418257, \old(y)=10737418260, gf_u={10737418258:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L125] (hx) = gf_u.word VAL [\old(x)=10737418257, \old(y)=10737418260, gf_u={10737418258:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L125] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=10737418245, \old(x)=10737418257, \old(y)=10737418260, gf_u={10737418258:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L126] COND FALSE !(0) VAL [\old(x)=10737418257, \old(y)=10737418260, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L127] ix = hx & 0x7fffffff VAL [\old(x)=10737418257, \old(y)=10737418260, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L129] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418257, \old(y)=10737418260, gf_u={10737418253:0}, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L130] FCALL gf_u.value = (y) VAL [\old(x)=10737418257, \old(y)=10737418260, gf_u={10737418253:0}, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L131] EXPR, FCALL gf_u.word VAL [\old(x)=10737418257, \old(y)=10737418260, gf_u={10737418253:0}, gf_u.word=10737418240, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L131] (hy) = gf_u.word VAL [\old(x)=10737418257, \old(y)=10737418260, gf_u={10737418253:0}, gf_u.word=10737418240, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L131] FCALL (hy) = gf_u.word VAL [(hy) = gf_u.word=10737418262, \old(x)=10737418257, \old(y)=10737418260, gf_u={10737418253:0}, gf_u.word=10737418240, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L132] COND FALSE !(0) VAL [\old(x)=10737418257, \old(y)=10737418260, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L133] iy = hy & 0x7fffffff VAL [\old(x)=10737418257, \old(y)=10737418260, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] RET return x + y; VAL [\old(x)=10737418257, \old(y)=10737418260, huge_atan=1000000000000000000000000000000, hx=-2147483648, 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=10737418257, y=10737418260, zero_atan2=0] [L224] EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=10737418250, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L224] float res = __ieee754_atan2f(y, x); [L227] COND TRUE res != pi_o_4 VAL [huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418250, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] [L228] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418250, tiny_atan2=1/1000000000000000000000000000000, x=10737418257, y=10737418260, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 155 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 194 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=155occurred 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, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 15:18:58,692 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:18:58,694 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:18:58,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:18:58,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:18:58,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:18:58,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:18:58,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:18:58,720 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:18:58,723 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:18:58,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:18:58,726 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:18:58,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:18:58,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:18:58,730 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:18:58,732 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:18:58,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:18:58,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:18:58,743 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:18:58,749 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:18:58,750 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:18:58,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:18:58,758 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:18:58,761 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:18:58,761 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:18:58,762 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:18:58,765 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:18:58,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:18:58,768 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:18:58,771 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:18:58,773 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:18:58,774 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:18:58,774 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:18:58,774 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:18:58,775 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:18:58,777 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:18:58,779 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:18:58,806 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:18:58,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:18:58,808 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:18:58,808 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:18:58,809 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:18:58,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:18:58,809 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:18:58,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:18:58,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:18:58,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:18:58,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:18:58,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:18:58,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:18:58,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:18:58,811 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:18:58,811 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:18:58,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:18:58,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:18:58,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:18:58,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:18:58,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:18:58,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:18:58,814 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:18:58,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:18:58,814 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:18:58,814 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:18:58,815 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:18:58,815 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:18:58,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:18:58,815 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:18:58,815 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:18:58,816 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 -> 2e4c57dd78ca61b194172b998a147be383066b6a [2018-09-20 15:18:58,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:18:58,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:18:58,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:18:58,910 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:18:58,911 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:18:58,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0686a_true-unreach-call.c [2018-09-20 15:18:59,257 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9771e53dc/12264c7246404bd786364968299fa35a/FLAG46b8df64a [2018-09-20 15:18:59,401 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:18:59,402 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0686a_true-unreach-call.c [2018-09-20 15:18:59,411 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9771e53dc/12264c7246404bd786364968299fa35a/FLAG46b8df64a [2018-09-20 15:18:59,427 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9771e53dc/12264c7246404bd786364968299fa35a [2018-09-20 15:18:59,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:18:59,434 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:18:59,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:18:59,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:18:59,442 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:18:59,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:18:59,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6546c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59, skipping insertion in model container [2018-09-20 15:18:59,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:18:59,458 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:18:59,822 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:18:59,849 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:18:59,927 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:18:59,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59 WrapperNode [2018-09-20 15:19:00,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:19:00,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:19:00,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:19:00,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:19:00,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:19:00,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:19:00,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:19:00,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:19:00,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:19:00,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:19:00,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (1/1) ... [2018-09-20 15:19:00,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:19:00,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:19:00,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:19:00,129 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:19:00,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (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 15:19:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:19:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:19:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:19:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-20 15:19:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-09-20 15:19:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:19:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:19:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:19:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:19:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:19:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:19:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:19:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:19:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:19:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:19:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-20 15:19:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-09-20 15:19:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:19:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:19:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:19:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:19:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:19:00,542 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:00,586 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:00,656 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:00,675 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:01,570 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:01,597 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:05,581 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:05,589 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:13,075 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:15,239 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:19:16,567 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:19:16,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:19:16 BoogieIcfgContainer [2018-09-20 15:19:16,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:19:16,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:19:16,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:19:16,573 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:19:16,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:18:59" (1/3) ... [2018-09-20 15:19:16,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2216656c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:19:16, skipping insertion in model container [2018-09-20 15:19:16,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:18:59" (2/3) ... [2018-09-20 15:19:16,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2216656c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:19:16, skipping insertion in model container [2018-09-20 15:19:16,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:19:16" (3/3) ... [2018-09-20 15:19:16,578 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a_true-unreach-call.c [2018-09-20 15:19:16,590 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:19:16,598 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:19:16,650 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:19:16,651 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:19:16,651 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:19:16,651 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:19:16,651 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:19:16,652 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:19:16,652 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:19:16,652 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:19:16,652 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:19:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-09-20 15:19:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-20 15:19:16,695 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:19:16,696 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:19:16,700 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:19:16,705 INFO L82 PathProgramCache]: Analyzing trace with hash -61180521, now seen corresponding path program 1 times [2018-09-20 15:19:16,709 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:19:16,710 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 15:19:16,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:19:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:19:16,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:19:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:19:16,850 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:19:16,865 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:19:16,865 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:19:16,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:19:16,881 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:19:16,881 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:19:16,884 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-09-20 15:19:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:19:16,931 INFO L93 Difference]: Finished difference Result 302 states and 414 transitions. [2018-09-20 15:19:16,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:19:16,933 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-20 15:19:16,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:19:16,948 INFO L225 Difference]: With dead ends: 302 [2018-09-20 15:19:16,948 INFO L226 Difference]: Without dead ends: 151 [2018-09-20 15:19:16,954 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 15:19:16,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-09-20 15:19:17,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-09-20 15:19:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-09-20 15:19:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 190 transitions. [2018-09-20 15:19:17,013 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 190 transitions. Word has length 18 [2018-09-20 15:19:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:19:17,013 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 190 transitions. [2018-09-20 15:19:17,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:19:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2018-09-20 15:19:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-20 15:19:17,015 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:19:17,016 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:19:17,016 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:19:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash -639568855, now seen corresponding path program 1 times [2018-09-20 15:19:17,017 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:19:17,017 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 15:19:17,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:19:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:19:17,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:19:17,263 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 15:19:17,276 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 15:19:17,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:17,288 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:17,316 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 15:19:17,316 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:25 [2018-09-20 15:19:17,378 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 15:19:17,395 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 15:19:17,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:17,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:17,441 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 15:19:17,442 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:13 [2018-09-20 15:19:17,879 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 15:19:17,886 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 15:19:17,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:17,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:17,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:19:17,926 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:36 [2018-09-20 15:19:18,045 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 15:19:18,058 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 15:19:18,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:18,064 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:18,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:19:18,094 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:43, output treesize:24 [2018-09-20 15:19:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:19:18,908 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:19:18,922 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:19:18,922 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-20 15:19:18,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-20 15:19:18,924 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-20 15:19:18,928 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-09-20 15:19:18,928 INFO L87 Difference]: Start difference. First operand 151 states and 190 transitions. Second operand 13 states. [2018-09-20 15:19:19,400 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-20 15:19:20,389 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 15:19:21,491 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-20 15:19:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:19:24,222 INFO L93 Difference]: Finished difference Result 157 states and 195 transitions. [2018-09-20 15:19:24,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-20 15:19:24,224 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2018-09-20 15:19:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:19:24,228 INFO L225 Difference]: With dead ends: 157 [2018-09-20 15:19:24,228 INFO L226 Difference]: Without dead ends: 151 [2018-09-20 15:19:24,230 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2018-09-20 15:19:24,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-09-20 15:19:24,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-09-20 15:19:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-09-20 15:19:24,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 189 transitions. [2018-09-20 15:19:24,249 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 189 transitions. Word has length 36 [2018-09-20 15:19:24,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:19:24,250 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 189 transitions. [2018-09-20 15:19:24,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-20 15:19:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 189 transitions. [2018-09-20 15:19:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:19:24,252 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:19:24,252 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:19:24,253 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:19:24,253 INFO L82 PathProgramCache]: Analyzing trace with hash 568067804, now seen corresponding path program 1 times [2018-09-20 15:19:24,254 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:19:24,254 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 15:19:24,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:19:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:19:24,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:19:24,399 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 15:19:24,406 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 15:19:24,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:24,411 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:24,423 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 15:19:24,423 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:19:24,444 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 15:19:24,447 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 15:19:24,447 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:24,450 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:24,454 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 15:19:24,454 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:19:24,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:19:24,633 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:19:24,648 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:19:24,648 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:19:24,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:19:24,649 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:19:24,649 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:19:24,651 INFO L87 Difference]: Start difference. First operand 151 states and 189 transitions. Second operand 9 states. [2018-09-20 15:19:27,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:19:27,038 INFO L93 Difference]: Finished difference Result 157 states and 194 transitions. [2018-09-20 15:19:27,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:19:27,040 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-09-20 15:19:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:19:27,043 INFO L225 Difference]: With dead ends: 157 [2018-09-20 15:19:27,043 INFO L226 Difference]: Without dead ends: 149 [2018-09-20 15:19:27,044 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:19:27,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-09-20 15:19:27,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-09-20 15:19:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-09-20 15:19:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 185 transitions. [2018-09-20 15:19:27,064 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 185 transitions. Word has length 41 [2018-09-20 15:19:27,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:19:27,064 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 185 transitions. [2018-09-20 15:19:27,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:19:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2018-09-20 15:19:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:19:27,067 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:19:27,067 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:19:27,068 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:19:27,068 INFO L82 PathProgramCache]: Analyzing trace with hash 687224606, now seen corresponding path program 1 times [2018-09-20 15:19:27,068 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:19:27,069 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 15:19:27,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:19:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:19:27,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:19:27,261 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 15:19:27,279 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 15:19:27,279 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:27,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:27,332 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 15:19:27,333 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:19:27,369 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 15:19:27,389 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 15:19:27,390 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:27,393 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:27,398 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 15:19:27,398 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:19:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:19:27,527 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:19:27,537 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:19:27,537 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:19:27,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:19:27,538 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:19:27,538 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:19:27,538 INFO L87 Difference]: Start difference. First operand 149 states and 185 transitions. Second operand 9 states. [2018-09-20 15:19:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:19:30,168 INFO L93 Difference]: Finished difference Result 292 states and 366 transitions. [2018-09-20 15:19:30,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:19:30,170 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-09-20 15:19:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:19:30,171 INFO L225 Difference]: With dead ends: 292 [2018-09-20 15:19:30,171 INFO L226 Difference]: Without dead ends: 143 [2018-09-20 15:19:30,173 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:19:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-09-20 15:19:30,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-09-20 15:19:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-09-20 15:19:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 174 transitions. [2018-09-20 15:19:30,190 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 174 transitions. Word has length 41 [2018-09-20 15:19:30,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:19:30,191 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 174 transitions. [2018-09-20 15:19:30,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:19:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 174 transitions. [2018-09-20 15:19:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-20 15:19:30,193 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:19:30,194 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:19:30,194 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:19:30,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1910786392, now seen corresponding path program 1 times [2018-09-20 15:19:30,194 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:19:30,195 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) [2018-09-20 15:19:30,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:19:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:19:30,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:19:30,665 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:19:30,998 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-20 15:19:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:19:31,013 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:19:31,031 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:19:31,031 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 15:19:31,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 15:19:31,032 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 15:19:31,032 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-20 15:19:31,032 INFO L87 Difference]: Start difference. First operand 143 states and 174 transitions. Second operand 6 states. [2018-09-20 15:19:38,829 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:19:40,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:19:40,582 INFO L93 Difference]: Finished difference Result 149 states and 179 transitions. [2018-09-20 15:19:40,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-20 15:19:40,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-09-20 15:19:40,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:19:40,584 INFO L225 Difference]: With dead ends: 149 [2018-09-20 15:19:40,585 INFO L226 Difference]: Without dead ends: 143 [2018-09-20 15:19:40,585 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:19:40,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-09-20 15:19:40,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-09-20 15:19:40,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-09-20 15:19:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 173 transitions. [2018-09-20 15:19:40,602 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 173 transitions. Word has length 42 [2018-09-20 15:19:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:19:40,602 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 173 transitions. [2018-09-20 15:19:40,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 15:19:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 173 transitions. [2018-09-20 15:19:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-20 15:19:40,605 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:19:40,605 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:19:40,606 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:19:40,606 INFO L82 PathProgramCache]: Analyzing trace with hash -767998936, now seen corresponding path program 1 times [2018-09-20 15:19:40,606 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:19:40,606 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 15:19:40,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:19:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:19:40,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:19:40,749 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 15:19:40,758 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 15:19:40,758 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:40,763 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:40,774 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 15:19:40,774 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:19:40,792 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 15:19:40,810 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 15:19:40,811 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:40,828 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:40,830 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 15:19:40,831 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:19:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:19:41,122 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:19:41,131 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:19:41,132 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:19:41,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:19:41,132 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:19:41,132 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:19:41,133 INFO L87 Difference]: Start difference. First operand 143 states and 173 transitions. Second operand 9 states. [2018-09-20 15:19:42,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:19:42,755 INFO L93 Difference]: Finished difference Result 154 states and 185 transitions. [2018-09-20 15:19:42,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:19:42,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2018-09-20 15:19:42,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:19:42,758 INFO L225 Difference]: With dead ends: 154 [2018-09-20 15:19:42,758 INFO L226 Difference]: Without dead ends: 106 [2018-09-20 15:19:42,758 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:19:42,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-09-20 15:19:42,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-09-20 15:19:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-09-20 15:19:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-09-20 15:19:42,769 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 42 [2018-09-20 15:19:42,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:19:42,769 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-09-20 15:19:42,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:19:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-09-20 15:19:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-20 15:19:42,770 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:19:42,771 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:19:42,771 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:19:42,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1262003504, now seen corresponding path program 1 times [2018-09-20 15:19:42,771 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:19:42,772 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 15:19:42,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:19:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:19:42,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:19:42,944 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 15:19:42,948 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 15:19:42,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:42,952 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:42,963 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 15:19:42,963 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:19:42,997 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 15:19:43,009 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 15:19:43,010 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:43,035 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:43,058 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 15:19:43,059 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:19:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:19:43,226 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:19:43,237 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:19:43,237 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:19:43,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:19:43,238 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:19:43,238 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:19:43,238 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 9 states. [2018-09-20 15:19:43,688 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-20 15:19:44,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:19:44,145 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2018-09-20 15:19:44,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:19:44,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-09-20 15:19:44,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:19:44,148 INFO L225 Difference]: With dead ends: 115 [2018-09-20 15:19:44,148 INFO L226 Difference]: Without dead ends: 50 [2018-09-20 15:19:44,150 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:19:44,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-09-20 15:19:44,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-09-20 15:19:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-09-20 15:19:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-09-20 15:19:44,156 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 43 [2018-09-20 15:19:44,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:19:44,156 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-09-20 15:19:44,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:19:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-09-20 15:19:44,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-20 15:19:44,157 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:19:44,158 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:19:44,158 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:19:44,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1844240302, now seen corresponding path program 1 times [2018-09-20 15:19:44,159 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:19:44,160 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-20 15:19:44,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:19:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:19:44,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:19:44,336 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 15:19:44,343 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 15:19:44,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:44,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:44,384 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 15:19:44,384 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:25 [2018-09-20 15:19:44,427 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 15:19:44,439 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 15:19:44,439 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:44,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:44,489 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 15:19:44,489 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:13 [2018-09-20 15:19:44,579 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 15:19:44,587 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 15:19:44,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:44,595 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:44,613 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 15:19:44,614 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:31 [2018-09-20 15:19:44,669 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 15:19:44,673 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 15:19:44,673 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:19:44,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:19:44,688 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 15:19:44,688 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:19 [2018-09-20 15:19:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:19:45,344 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:19:45,354 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:19:45,355 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-20 15:19:45,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-20 15:19:45,355 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-20 15:19:45,355 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-09-20 15:19:45,356 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 13 states. [2018-09-20 15:19:45,752 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-20 15:19:47,496 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-09-20 15:19:49,395 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-09-20 15:19:49,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:19:49,917 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2018-09-20 15:19:49,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-20 15:19:49,923 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-09-20 15:19:49,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:19:49,924 INFO L225 Difference]: With dead ends: 50 [2018-09-20 15:19:49,924 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:19:49,925 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-09-20 15:19:49,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:19:49,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:19:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:19:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:19:49,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-09-20 15:19:49,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:19:49,926 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:19:49,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-20 15:19:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:19:49,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:19:49,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:19:50,573 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-09-20 15:19:50,910 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-09-20 15:19:51,307 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-09-20 15:19:51,628 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-09-20 15:19:51,971 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-09-20 15:19:52,022 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:19:52,022 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:19:52,022 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L168(lines 168 177) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L201-2(lines 194 206) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L201-3(lines 201 205) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L185(lines 185 190) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-09-20 15:19:52,023 INFO L426 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2018-09-20 15:19:52,024 INFO L426 ceAbstractionStarter]: For program point L202-2(line 202) no Hoare annotation was computed. [2018-09-20 15:19:52,024 INFO L426 ceAbstractionStarter]: For program point L202-3(line 202) no Hoare annotation was computed. [2018-09-20 15:19:52,024 INFO L426 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-09-20 15:19:52,024 INFO L426 ceAbstractionStarter]: For program point L153-2(line 153) no Hoare annotation was computed. [2018-09-20 15:19:52,024 INFO L426 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2018-09-20 15:19:52,024 INFO L422 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (or (not (= ~pi_o_4~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 4000000000.0))))) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1.0 1000000000000000000000000000000.0))))) (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| (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 (= |__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))) (not (= (bvadd (bvand __ieee754_atan2f_~hx~1 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32))))) (= |__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 15:19:52,024 INFO L426 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-09-20 15:19:52,024 INFO L426 ceAbstractionStarter]: For program point L187(lines 187 190) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L426 ceAbstractionStarter]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L426 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L426 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L426 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L426 ceAbstractionStarter]: For program point L204-2(line 204) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L426 ceAbstractionStarter]: For program point L155(lines 155 179) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L426 ceAbstractionStarter]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L426 ceAbstractionStarter]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2018-09-20 15:19:52,025 INFO L422 ceAbstractionStarter]: At program point L122-3(lines 122 126) the Hoare annotation is: (or (not (= ~pi_o_4~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 4000000000.0))))) (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1.0 1000000000000000000000000000000.0)))))) [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L122-4(lines 122 126) no Hoare annotation was computed. [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L156(lines 156 178) no Hoare annotation was computed. [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L123-2(line 123) no Hoare annotation was computed. [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L123-3(line 123) no Hoare annotation was computed. [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L140(lines 140 150) no Hoare annotation was computed. [2018-09-20 15:19:52,026 INFO L426 ceAbstractionStarter]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2018-09-20 15:19:52,027 INFO L422 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= ~pi_o_4~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 4000000000.0))))) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1.0 1000000000000000000000000000000.0))))) (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 (= (bvadd (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 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))))) (= |__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 15:19:52,027 INFO L426 ceAbstractionStarter]: For program point L157(lines 157 166) no Hoare annotation was computed. [2018-09-20 15:19:52,027 INFO L422 ceAbstractionStarter]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= ~pi_o_4~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 4000000000.0))))) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1.0 1000000000000000000000000000000.0))))) (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 (= (bvadd (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 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))))) (= |__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 15:19:52,027 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-20 15:19:52,027 INFO L426 ceAbstractionStarter]: For program point L190-2(line 190) no Hoare annotation was computed. [2018-09-20 15:19:52,027 INFO L426 ceAbstractionStarter]: For program point __ieee754_atan2fFINAL(lines 118 213) no Hoare annotation was computed. [2018-09-20 15:19:52,027 INFO L426 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L191(lines 191 212) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L125-1(line 125) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L125-2(line 125) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point __ieee754_atan2fEXIT(lines 118 213) no Hoare annotation was computed. [2018-09-20 15:19:52,028 INFO L426 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2018-09-20 15:19:52,029 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-20 15:19:52,029 INFO L426 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-09-20 15:19:52,029 INFO L426 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2018-09-20 15:19:52,029 INFO L426 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-09-20 15:19:52,029 INFO L422 ceAbstractionStarter]: At program point L128-3(lines 128 132) the Hoare annotation is: (or (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)))) (not (= ~pi_o_4~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 4000000000.0))))) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1.0 1000000000000000000000000000000.0)))))) [2018-09-20 15:19:52,029 INFO L426 ceAbstractionStarter]: For program point L128-4(lines 128 132) no Hoare annotation was computed. [2018-09-20 15:19:52,029 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-20 15:19:52,029 INFO L426 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-09-20 15:19:52,029 INFO L426 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-09-20 15:19:52,030 INFO L426 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2018-09-20 15:19:52,030 INFO L426 ceAbstractionStarter]: For program point L129-2(line 129) no Hoare annotation was computed. [2018-09-20 15:19:52,030 INFO L426 ceAbstractionStarter]: For program point L129-3(line 129) no Hoare annotation was computed. [2018-09-20 15:19:52,030 INFO L426 ceAbstractionStarter]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2018-09-20 15:19:52,030 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-20 15:19:52,030 INFO L422 ceAbstractionStarter]: At program point L196-3(lines 196 200) the Hoare annotation is: (or (not (= ~pi_o_4~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 4000000000.0))))) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1.0 1000000000000000000000000000000.0))))) (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 (= (bvadd (bvand __ieee754_atan2f_~hy~0 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 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))))) (= |__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 15:19:52,030 INFO L426 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-09-20 15:19:52,030 INFO L426 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-09-20 15:19:52,030 INFO L426 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L197-3(line 197) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L131-2(line 131) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-09-20 15:19:52,031 INFO L426 ceAbstractionStarter]: For program point L182-2(line 182) no Hoare annotation was computed. [2018-09-20 15:19:52,032 INFO L429 ceAbstractionStarter]: At program point __ieee754_atan2fENTRY(lines 118 213) the Hoare annotation is: true [2018-09-20 15:19:52,032 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-20 15:19:52,032 INFO L426 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-09-20 15:19:52,032 INFO L426 ceAbstractionStarter]: For program point L199-2(line 199) no Hoare annotation was computed. [2018-09-20 15:19:52,032 INFO L426 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-09-20 15:19:52,032 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 12 25) no Hoare annotation was computed. [2018-09-20 15:19:52,032 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 15:19:52,032 INFO L426 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2018-09-20 15:19:52,032 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L19-2(lines 12 25) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L15-2(line 15) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L15-3(line 15) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 12 25) no Hoare annotation was computed. [2018-09-20 15:19:52,033 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 12 25) the Hoare annotation is: true [2018-09-20 15:19:52,033 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-09-20 15:19:52,034 INFO L429 ceAbstractionStarter]: At program point L14-3(lines 14 18) the Hoare annotation is: true [2018-09-20 15:19:52,034 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:19:52,035 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1.0 1000000000000000000000000000000.0)))) (= ~pi_o_4~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 4000000000.0))))) [2018-09-20 15:19:52,035 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:19:52,035 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:19:52,035 INFO L422 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= ~pi_o_4~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 4000000000.0))))) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1.0 1000000000000000000000000000000.0))))) (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~y~0) (= .cse0 main_~x~0)))) [2018-09-20 15:19:52,035 INFO L426 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-09-20 15:19:52,035 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 215 233) the Hoare annotation is: true [2018-09-20 15:19:52,035 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 215 233) no Hoare annotation was computed. [2018-09-20 15:19:52,035 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2018-09-20 15:19:52,035 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 215 233) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point L227(lines 227 230) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 67) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L429 ceAbstractionStarter]: At program point atan_floatENTRY(lines 51 113) the Hoare annotation is: true [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point atan_floatFINAL(lines 51 113) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point L56(line 56) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point L56-1(line 56) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point L56-2(line 56) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2018-09-20 15:19:52,036 INFO L426 ceAbstractionStarter]: For program point L77(lines 77 93) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 94) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L61(lines 61 68) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L86(lines 86 92) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L78(lines 78 84) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-09-20 15:19:52,037 INFO L426 ceAbstractionStarter]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L426 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L426 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L426 ceAbstractionStarter]: For program point L58-2(line 58) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L426 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L426 ceAbstractionStarter]: For program point atan_floatEXIT(lines 51 113) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L426 ceAbstractionStarter]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L429 ceAbstractionStarter]: At program point L55-3(lines 55 59) the Hoare annotation is: true [2018-09-20 15:19:52,038 INFO L426 ceAbstractionStarter]: For program point L55-4(lines 55 59) no Hoare annotation was computed. [2018-09-20 15:19:52,038 INFO L429 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: true [2018-09-20 15:19:52,039 INFO L426 ceAbstractionStarter]: For program point L76-1(line 76) no Hoare annotation was computed. [2018-09-20 15:19:52,053 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,054 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,054 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,054 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,054 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,055 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,055 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,055 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,055 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,055 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,056 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,056 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,056 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,056 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,058 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,059 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,065 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,066 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,066 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,066 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,066 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,066 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,067 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,067 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,067 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,067 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,071 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,071 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,071 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,071 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,071 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,072 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,077 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,077 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,077 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,078 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,078 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,078 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,078 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,078 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,079 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,079 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,080 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,080 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,080 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,080 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,086 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,086 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,088 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,088 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,088 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,088 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,089 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,089 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,089 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,098 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:19:52 BoogieIcfgContainer [2018-09-20 15:19:52,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:19:52,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:19:52,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:19:52,101 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:19:52,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:19:16" (3/4) ... [2018-09-20 15:19:52,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:19:52,116 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:19:52,117 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:19:52,117 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2f [2018-09-20 15:19:52,117 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:19:52,117 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-09-20 15:19:52,127 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-09-20 15:19:52,128 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-20 15:19:52,128 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:19:52,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pi_o_4 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/4000000000))) || (\old(x) == x && \old(y) == y)) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1/1000000000000000000000000000000))) [2018-09-20 15:19:52,158 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])) || !(pi_o_4 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/4000000000)))) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1/1000000000000000000000000000000))) [2018-09-20 15:19:52,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pi_o_4 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/4000000000))) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1/1000000000000000000000000000000)))) || ((((((\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]) && !(~bvadd64(~bvand32(__ieee754_atan2f_~hy~0, 2147483647bv32), 2155872256bv32) == 0bv32))) && (\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]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) [2018-09-20 15:19:52,244 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:19:52,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:19:52,245 INFO L168 Benchmark]: Toolchain (without parser) took 52813.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 275.8 MB). Free memory was 953.2 MB in the beginning and 1.2 GB in the end (delta: -228.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:19:52,246 INFO L168 Benchmark]: CDTParser took 0.18 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 15:19:52,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.35 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 15:19:52,247 INFO L168 Benchmark]: Boogie Preprocessor took 125.74 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:19:52,247 INFO L168 Benchmark]: RCFGBuilder took 16441.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:19:52,248 INFO L168 Benchmark]: TraceAbstraction took 35531.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:19:52,248 INFO L168 Benchmark]: Witness Printer took 143.10 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:19:52,250 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 565.35 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 125.74 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16441.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35531.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Witness Printer took 143.10 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 228]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant [2018-09-20 15:19:52,261 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,261 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,261 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,261 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,261 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,262 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,262 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,262 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,262 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,262 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,262 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,263 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,263 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,263 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,263 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,263 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,265 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,265 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,265 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,265 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,265 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,265 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,267 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,267 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,267 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-09-20 15:19:52,267 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] Derived loop invariant: (!(pi_o_4 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/4000000000))) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1/1000000000000000000000000000000)))) || ((((((\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]) && !(~bvadd64(~bvand32(__ieee754_atan2f_~hy~0, 2147483647bv32), 2155872256bv32) == 0bv32))) && (\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]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant [2018-09-20 15:19:52,269 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,269 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,269 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,269 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,269 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,269 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,270 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,270 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,271 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,271 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,271 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,271 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-09-20 15:19:52,271 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,271 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,272 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,272 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE 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])) || !(pi_o_4 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/4000000000)))) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1/1000000000000000000000000000000))) - InvariantResult [Line: 122]: Loop Invariant [2018-09-20 15:19:52,272 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,272 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,273 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,273 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,273 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,273 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,273 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:19:52,274 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(pi_o_4 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/4000000000))) || (\old(x) == x && \old(y) == y)) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1/1000000000000000000000000000000))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 155 locations, 1 error locations. SAFE Result, 35.4s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 27.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1209 SDtfs, 1718 SDslu, 5333 SDs, 0 SdLazy, 1036 SolverSat, 86 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 19.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355 GetRequests, 243 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 44 PreInvPairs, 62 NumberOfFragments, 503 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 17 FomulaSimplificationsInter, 534 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 298 ConstructedInterpolants, 79 QuantifiedInterpolants, 132824 SizeOfPredicates, 66 NumberOfNonLiveVariables, 879 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...