./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0684a.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb0116da05ed0aea6f031fec744ef2f88983c7a5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0684a.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb0116da05ed0aea6f031fec744ef2f88983c7a5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@592de6ce --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-09-13 13:13:34,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-13 13:13:34,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-13 13:13:35,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-13 13:13:35,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-13 13:13:35,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-13 13:13:35,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-13 13:13:35,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-13 13:13:35,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-13 13:13:35,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-13 13:13:35,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-13 13:13:35,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-13 13:13:35,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-13 13:13:35,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-13 13:13:35,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-13 13:13:35,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-13 13:13:35,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-13 13:13:35,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-13 13:13:35,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-13 13:13:35,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-13 13:13:35,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-13 13:13:35,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-13 13:13:35,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-13 13:13:35,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-13 13:13:35,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-13 13:13:35,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-13 13:13:35,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-13 13:13:35,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-13 13:13:35,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-13 13:13:35,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-13 13:13:35,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-13 13:13:35,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-13 13:13:35,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-13 13:13:35,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-13 13:13:35,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-13 13:13:35,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-13 13:13:35,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-13 13:13:35,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-13 13:13:35,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-13 13:13:35,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-13 13:13:35,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-13 13:13:35,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-13 13:13:35,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-13 13:13:35,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-13 13:13:35,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-13 13:13:35,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-13 13:13:35,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-13 13:13:35,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-13 13:13:35,097 INFO L138 SettingsManager]: * Use SBE=true [2021-09-13 13:13:35,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-13 13:13:35,097 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-13 13:13:35,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-13 13:13:35,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-13 13:13:35,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-13 13:13:35,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-13 13:13:35,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-13 13:13:35,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-13 13:13:35,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-13 13:13:35,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-13 13:13:35,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-13 13:13:35,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-13 13:13:35,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-13 13:13:35,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-13 13:13:35,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-13 13:13:35,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 13:13:35,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-13 13:13:35,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-13 13:13:35,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-13 13:13:35,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-13 13:13:35,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-13 13:13:35,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-13 13:13:35,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-13 13:13:35,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb0116da05ed0aea6f031fec744ef2f88983c7a5 [2021-09-13 13:13:35,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-13 13:13:35,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-13 13:13:35,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-13 13:13:35,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-13 13:13:35,363 INFO L275 PluginConnector]: CDTParser initialized [2021-09-13 13:13:35,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2021-09-13 13:13:35,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65bbd471c/84f8b5ee10934ff58b39238361e86955/FLAG1334f0dbf [2021-09-13 13:13:35,785 INFO L306 CDTParser]: Found 1 translation units. [2021-09-13 13:13:35,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2021-09-13 13:13:35,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65bbd471c/84f8b5ee10934ff58b39238361e86955/FLAG1334f0dbf [2021-09-13 13:13:35,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65bbd471c/84f8b5ee10934ff58b39238361e86955 [2021-09-13 13:13:35,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-13 13:13:35,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-13 13:13:35,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-13 13:13:35,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-13 13:13:35,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-13 13:13:35,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 01:13:35" (1/1) ... [2021-09-13 13:13:35,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc3411b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:35, skipping insertion in model container [2021-09-13 13:13:35,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 01:13:35" (1/1) ... [2021-09-13 13:13:35,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-13 13:13:35,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-13 13:13:36,025 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c[5582,5595] [2021-09-13 13:13:36,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 13:13:36,045 INFO L203 MainTranslator]: Completed pre-run [2021-09-13 13:13:36,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c[5582,5595] [2021-09-13 13:13:36,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 13:13:36,138 INFO L208 MainTranslator]: Completed translation [2021-09-13 13:13:36,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36 WrapperNode [2021-09-13 13:13:36,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-13 13:13:36,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-13 13:13:36,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-13 13:13:36,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-13 13:13:36,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-13 13:13:36,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-13 13:13:36,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-13 13:13:36,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-13 13:13:36,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-13 13:13:36,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-13 13:13:36,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-13 13:13:36,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-13 13:13:36,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (1/1) ... [2021-09-13 13:13:36,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 13:13:36,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 13:13:36,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-09-13 13:13:36,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-09-13 13:13:36,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-09-13 13:13:36,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-13 13:13:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-09-13 13:13:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-09-13 13:13:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-09-13 13:13:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-13 13:13:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-13 13:13:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-09-13 13:13:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-09-13 13:13:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-09-13 13:13:36,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-13 13:13:36,867 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-09-13 13:13:36,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:13:36 BoogieIcfgContainer [2021-09-13 13:13:36,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-09-13 13:13:36,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-09-13 13:13:36,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-09-13 13:13:36,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-09-13 13:13:36,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 01:13:35" (1/3) ... [2021-09-13 13:13:36,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50280757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 01:13:36, skipping insertion in model container [2021-09-13 13:13:36,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:36" (2/3) ... [2021-09-13 13:13:36,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50280757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 01:13:36, skipping insertion in model container [2021-09-13 13:13:36,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:13:36" (3/3) ... [2021-09-13 13:13:36,876 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684a.c [2021-09-13 13:13:36,880 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-09-13 13:13:36,880 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-09-13 13:13:36,906 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-09-13 13:13:36,910 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-09-13 13:13:36,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-09-13 13:13:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6902654867256637) internal successors, (191), 114 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-13 13:13:36,926 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:13:36,926 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:13:36,927 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-09-13 13:13:36,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:13:36,930 INFO L82 PathProgramCache]: Analyzing trace with hash -701283450, now seen corresponding path program 1 times [2021-09-13 13:13:36,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-13 13:13:36,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485086423] [2021-09-13 13:13:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:13:36,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-13 13:13:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:13:37,075 INFO L281 TraceCheckUtils]: 0: Hoare triple {118#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(21);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16);call write~init~real(0.46364760399, ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4);call write~init~real(0.78539812565, ~#atanhi_atan~0.base, 4 + ~#atanhi_atan~0.offset, 4);call write~init~real(0.98279368877, ~#atanhi_atan~0.base, 8 + ~#atanhi_atan~0.offset, 4);call write~init~real(1.5707962513, ~#atanhi_atan~0.base, 12 + ~#atanhi_atan~0.offset, 4);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16);call write~init~real(5.012158244E-9, ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4);call write~init~real(3.7748947079E-8, ~#atanlo_atan~0.base, 4 + ~#atanlo_atan~0.offset, 4);call write~init~real(3.447321717E-8, ~#atanlo_atan~0.base, 8 + ~#atanlo_atan~0.offset, 4);call write~init~real(7.5497894159E-8, ~#atanlo_atan~0.base, 12 + ~#atanlo_atan~0.offset, 4);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44);call write~init~real(0.33333334327, ~#aT_atan~0.base, ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.20000000298), ~#aT_atan~0.base, 4 + ~#aT_atan~0.offset, 4);call write~init~real(0.14285714924, ~#aT_atan~0.base, 8 + ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.11111110449), ~#aT_atan~0.base, 12 + ~#aT_atan~0.offset, 4);call write~init~real(0.090908870101, ~#aT_atan~0.base, 16 + ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.076918758452), ~#aT_atan~0.base, 20 + ~#aT_atan~0.offset, 4);call write~init~real(0.066610731184, ~#aT_atan~0.base, 24 + ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.058335702866), ~#aT_atan~0.base, 28 + ~#aT_atan~0.offset, 4);call write~init~real(0.049768779427, ~#aT_atan~0.base, 32 + ~#aT_atan~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.036531571299), ~#aT_atan~0.base, 36 + ~#aT_atan~0.offset, 4);call write~init~real(0.016285819933, ~#aT_atan~0.base, 40 + ~#aT_atan~0.offset, 4);~one_atan~0 := 1.0;~huge_atan~0 := 1.0E30;~pi_o_4~0 := 0.78539818525;~pi_o_2~0 := 1.5707963705;~pi~0 := 3.141592741;~tiny_atan2~0 := 1.0E-30;~zero_atan2~0 := 0.0;~pi_lo_atan2~0 := ~someUnaryDOUBLEoperation(8.7422776573E-8); {118#true} is VALID [2021-09-13 13:13:37,076 INFO L281 TraceCheckUtils]: 1: Hoare triple {118#true} havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_#t~ret45, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet43;havoc main_#t~nondet43;main_~y~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0);isfinite_float_#in~x := main_~x~0;havoc isfinite_float_#res;havoc isfinite_float_#t~mem42, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, isfinite_float_~x, isfinite_float_~ix~3;isfinite_float_~x := isfinite_float_#in~x;havoc isfinite_float_~ix~3; {118#true} is VALID [2021-09-13 13:13:37,077 INFO L281 TraceCheckUtils]: 2: Hoare triple {118#true} assume !true; {119#false} is VALID [2021-09-13 13:13:37,077 INFO L281 TraceCheckUtils]: 3: Hoare triple {119#false} isfinite_float_~ix~3 := ~bitwiseAnd(isfinite_float_~ix~3, 2147483647);isfinite_float_#res := (if isfinite_float_~ix~3 < 2139095040 then 1 else 0); {119#false} is VALID [2021-09-13 13:13:37,078 INFO L281 TraceCheckUtils]: 4: Hoare triple {119#false} main_#t~ret44 := isfinite_float_#res;assume -2147483648 <= main_#t~ret44 && main_#t~ret44 <= 2147483647; {119#false} is VALID [2021-09-13 13:13:37,078 INFO L281 TraceCheckUtils]: 5: Hoare triple {119#false} assume 0 != main_#t~ret44;havoc main_#t~ret44;__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem29, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem30, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~ite33, __ieee754_atan2f_#t~switch34, __ieee754_atan2f_#t~switch35, __ieee754_atan2f_#t~ite36, __ieee754_atan2f_#t~ret37, __ieee754_atan2f_#t~ret38, __ieee754_atan2f_#t~switch39, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {119#false} is VALID [2021-09-13 13:13:37,078 INFO L281 TraceCheckUtils]: 6: Hoare triple {119#false} assume !true; {119#false} is VALID [2021-09-13 13:13:37,079 INFO L281 TraceCheckUtils]: 7: Hoare triple {119#false} __ieee754_atan2f_~ix~2 := ~bitwiseAnd(__ieee754_atan2f_~hx~1, 2147483647); {119#false} is VALID [2021-09-13 13:13:37,079 INFO L281 TraceCheckUtils]: 8: Hoare triple {119#false} assume !true; {119#false} is VALID [2021-09-13 13:13:37,079 INFO L281 TraceCheckUtils]: 9: Hoare triple {119#false} __ieee754_atan2f_~iy~0 := ~bitwiseAnd(__ieee754_atan2f_~hy~0, 2147483647); {119#false} is VALID [2021-09-13 13:13:37,079 INFO L281 TraceCheckUtils]: 10: Hoare triple {119#false} assume __ieee754_atan2f_~ix~2 > 2139095040 || __ieee754_atan2f_~iy~0 > 2139095040;__ieee754_atan2f_#res := ~someBinaryArithmeticFLOAToperation(__ieee754_atan2f_~x, __ieee754_atan2f_~y); {119#false} is VALID [2021-09-13 13:13:37,079 INFO L281 TraceCheckUtils]: 11: Hoare triple {119#false} main_#t~ret45 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret45;havoc main_#t~ret45; {119#false} is VALID [2021-09-13 13:13:37,080 INFO L281 TraceCheckUtils]: 12: Hoare triple {119#false} assume ~someBinaryFLOATComparisonOperation(main_~res~0, ~pi_o_2~0); {119#false} is VALID [2021-09-13 13:13:37,080 INFO L281 TraceCheckUtils]: 13: Hoare triple {119#false} assume !false; {119#false} is VALID [2021-09-13 13:13:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:13:37,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-13 13:13:37,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485086423] [2021-09-13 13:13:37,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485086423] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-13 13:13:37,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:13:37,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-13 13:13:37,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605779496] [2021-09-13 13:13:37,088 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-09-13 13:13:37,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:13:37,092 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,123 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:13:37,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-09-13 13:13:37,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-13 13:13:37,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-09-13 13:13:37,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-09-13 13:13:37,139 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.6902654867256637) internal successors, (191), 114 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:13:37,375 INFO L93 Difference]: Finished difference Result 228 states and 380 transitions. [2021-09-13 13:13:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-09-13 13:13:37,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-09-13 13:13:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 13:13:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 380 transitions. [2021-09-13 13:13:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 380 transitions. [2021-09-13 13:13:37,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 380 transitions. [2021-09-13 13:13:37,688 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 380 edges. 380 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:13:37,702 INFO L225 Difference]: With dead ends: 228 [2021-09-13 13:13:37,703 INFO L226 Difference]: Without dead ends: 111 [2021-09-13 13:13:37,705 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-09-13 13:13:37,710 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.33ms IncrementalHoareTripleChecker+Time [2021-09-13 13:13:37,711 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 164 Unknown, 0 Unchecked, 1.37ms Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 98.33ms Time] [2021-09-13 13:13:37,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-09-13 13:13:37,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-09-13 13:13:37,745 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 13:13:37,750 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,751 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,752 INFO L87 Difference]: Start difference. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:13:37,760 INFO L93 Difference]: Finished difference Result 111 states and 159 transitions. [2021-09-13 13:13:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-09-13 13:13:37,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:13:37,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:13:37,762 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 111 states. [2021-09-13 13:13:37,763 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 111 states. [2021-09-13 13:13:37,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:13:37,769 INFO L93 Difference]: Finished difference Result 111 states and 159 transitions. [2021-09-13 13:13:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-09-13 13:13:37,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:13:37,771 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:13:37,771 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 13:13:37,772 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 13:13:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2021-09-13 13:13:37,776 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 14 [2021-09-13 13:13:37,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 13:13:37,776 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2021-09-13 13:13:37,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-09-13 13:13:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-09-13 13:13:37,780 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:13:37,780 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:13:37,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-09-13 13:13:37,781 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-09-13 13:13:37,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:13:37,782 INFO L82 PathProgramCache]: Analyzing trace with hash 69437810, now seen corresponding path program 1 times [2021-09-13 13:13:37,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-13 13:13:37,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553266748] [2021-09-13 13:13:37,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:13:37,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-13 13:13:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-09-13 13:13:37,879 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-09-13 13:13:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-09-13 13:13:37,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-09-13 13:13:37,974 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-09-13 13:13:37,975 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-09-13 13:13:37,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-09-13 13:13:37,980 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-09-13 13:13:38,005 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2021-09-13 13:13:38,011 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2021-09-13 13:13:38,011 WARN L170 areAnnotationChecker]: L220-2 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L220-2 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L220-1 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L220-1 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L220-3 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L124-2 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L124-2 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L240-2 has no Hoare annotation [2021-09-13 13:13:38,012 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L124-3 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L130-2 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L130-2 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L130-3 has no Hoare annotation [2021-09-13 13:13:38,013 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L245 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L245 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2021-09-13 13:13:38,014 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L246 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L246 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L142-2 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L142-2 has no Hoare annotation [2021-09-13 13:13:38,015 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L144-2 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2021-09-13 13:13:38,016 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L157-1 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L157-1 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L113-3 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2021-09-13 13:13:38,017 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L147 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L147 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2021-09-13 13:13:38,018 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2021-09-13 13:13:38,019 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L184-2 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L189-2 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2021-09-13 13:13:38,020 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2021-09-13 13:13:38,021 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2021-09-13 13:13:38,021 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2021-09-13 13:13:38,021 WARN L170 areAnnotationChecker]: L143 has no Hoare annotation [2021-09-13 13:13:38,021 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2021-09-13 13:13:38,021 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2021-09-13 13:13:38,021 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L16-6 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L16-6 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2021-09-13 13:13:38,022 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2021-09-13 13:13:38,023 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2021-09-13 13:13:38,023 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2021-09-13 13:13:38,023 WARN L170 areAnnotationChecker]: L196 has no Hoare annotation [2021-09-13 13:13:38,025 WARN L170 areAnnotationChecker]: L196 has no Hoare annotation [2021-09-13 13:13:38,025 WARN L170 areAnnotationChecker]: L16-5 has no Hoare annotation [2021-09-13 13:13:38,026 WARN L170 areAnnotationChecker]: L16-5 has no Hoare annotation [2021-09-13 13:13:38,026 WARN L170 areAnnotationChecker]: L21-4 has no Hoare annotation [2021-09-13 13:13:38,026 WARN L170 areAnnotationChecker]: L21-4 has no Hoare annotation [2021-09-13 13:13:38,026 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2021-09-13 13:13:38,026 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2021-09-13 13:13:38,027 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2021-09-13 13:13:38,027 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2021-09-13 13:13:38,027 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2021-09-13 13:13:38,031 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2021-09-13 13:13:38,031 WARN L170 areAnnotationChecker]: L198-2 has no Hoare annotation [2021-09-13 13:13:38,031 WARN L170 areAnnotationChecker]: L198-2 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L21-5 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L113-2 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L198-1 has no Hoare annotation [2021-09-13 13:13:38,032 WARN L170 areAnnotationChecker]: L198-1 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L203-1 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L203-1 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L203-2 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L57-6 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L57-6 has no Hoare annotation [2021-09-13 13:13:38,033 WARN L170 areAnnotationChecker]: L57-5 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L57-5 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L57-7 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L63-1 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L63-1 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L71-2 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L71-2 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L113-7 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L66-1 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L66-1 has no Hoare annotation [2021-09-13 13:13:38,034 WARN L170 areAnnotationChecker]: L72-3 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L72-3 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L16-10 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L16-10 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L72-5 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L16-9 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L16-9 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L21-7 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L21-7 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L88-5 has no Hoare annotation [2021-09-13 13:13:38,035 WARN L170 areAnnotationChecker]: L21-6 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L21-6 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L21-8 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L109-1 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L109-1 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L113-4 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L113-4 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L113-6 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L80-3 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L80-3 has no Hoare annotation [2021-09-13 13:13:38,036 WARN L170 areAnnotationChecker]: L88-3 has no Hoare annotation [2021-09-13 13:13:38,037 WARN L170 areAnnotationChecker]: L88-3 has no Hoare annotation [2021-09-13 13:13:38,037 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2021-09-13 13:13:38,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.09 01:13:38 BoogieIcfgContainer [2021-09-13 13:13:38,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-09-13 13:13:38,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-09-13 13:13:38,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-09-13 13:13:38,040 INFO L275 PluginConnector]: Witness Printer initialized [2021-09-13 13:13:38,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:13:36" (3/4) ... [2021-09-13 13:13:38,043 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-09-13 13:13:38,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-09-13 13:13:38,045 INFO L158 Benchmark]: Toolchain (without parser) took 2230.71ms. Allocated memory was 50.3MB in the beginning and 81.8MB in the end (delta: 31.5MB). Free memory was 27.6MB in the beginning and 26.2MB in the end (delta: 1.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-09-13 13:13:38,045 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-09-13 13:13:38,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.99ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.4MB in the beginning and 47.2MB in the end (delta: -19.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-09-13 13:13:38,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.26ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 42.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-09-13 13:13:38,050 INFO L158 Benchmark]: Boogie Preprocessor took 69.80ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 38.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-09-13 13:13:38,050 INFO L158 Benchmark]: RCFGBuilder took 576.71ms. Allocated memory is still 67.1MB. Free memory was 38.3MB in the beginning and 43.0MB in the end (delta: -4.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-09-13 13:13:38,050 INFO L158 Benchmark]: TraceAbstraction took 1169.90ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.4MB in the beginning and 26.9MB in the end (delta: 15.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-09-13 13:13:38,051 INFO L158 Benchmark]: Witness Printer took 2.83ms. Allocated memory is still 81.8MB. Free memory was 26.9MB in the beginning and 26.2MB in the end (delta: 689.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-09-13 13:13:38,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.99ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.4MB in the beginning and 47.2MB in the end (delta: -19.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.26ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 42.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.80ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 38.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 576.71ms. Allocated memory is still 67.1MB. Free memory was 38.3MB in the beginning and 43.0MB in the end (delta: -4.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1169.90ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.4MB in the beginning and 26.9MB in the end (delta: 15.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Witness Printer took 2.83ms. Allocated memory is still 81.8MB. Free memory was 26.9MB in the beginning and 26.2MB in the end (delta: 689.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 246]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 245, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] 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, }; [L49-L51] 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; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L236] float x = __VERIFIER_nondet_float(); [L237] float y = 1.0f / 0.0f; [L219] __int32_t ix; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L240] COND TRUE isfinite_float(x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L242] float res = __ieee754_atan2f(y, x); [L245] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L246] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1073.56ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.13ms, AutomataDifference: 589.60ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 8.44ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 98.33ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 95.20ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 164 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 164 mSolverCounterSat, 1.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 53.65ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.78ms SsaConstructionTime, 113.41ms SatisfiabilityAnalysisTime, 68.57ms InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-09-13 13:13:38,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-09-13 13:13:39,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-13 13:13:39,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-13 13:13:39,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-13 13:13:39,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-13 13:13:39,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-13 13:13:39,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-13 13:13:39,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-13 13:13:39,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-13 13:13:39,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-13 13:13:39,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-13 13:13:39,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-13 13:13:39,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-13 13:13:39,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-13 13:13:39,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-13 13:13:39,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-13 13:13:39,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-13 13:13:39,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-13 13:13:39,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-13 13:13:39,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-13 13:13:39,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-13 13:13:39,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-13 13:13:39,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-13 13:13:39,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-13 13:13:39,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-13 13:13:39,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-13 13:13:39,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-13 13:13:39,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-13 13:13:39,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-13 13:13:39,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-13 13:13:39,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-13 13:13:39,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-13 13:13:39,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-13 13:13:39,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-13 13:13:39,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-13 13:13:39,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-13 13:13:39,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-13 13:13:39,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-13 13:13:39,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-13 13:13:39,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-13 13:13:39,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-13 13:13:39,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-09-13 13:13:39,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-13 13:13:39,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-13 13:13:39,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-13 13:13:39,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-13 13:13:39,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-13 13:13:39,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-13 13:13:39,734 INFO L138 SettingsManager]: * Use SBE=true [2021-09-13 13:13:39,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-13 13:13:39,734 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-13 13:13:39,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-13 13:13:39,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-13 13:13:39,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-13 13:13:39,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-13 13:13:39,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-13 13:13:39,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-13 13:13:39,736 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-13 13:13:39,736 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-13 13:13:39,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-13 13:13:39,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-13 13:13:39,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-13 13:13:39,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-13 13:13:39,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-13 13:13:39,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-13 13:13:39,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 13:13:39,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-13 13:13:39,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-13 13:13:39,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-13 13:13:39,738 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-13 13:13:39,738 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-13 13:13:39,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-13 13:13:39,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-13 13:13:39,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-13 13:13:39,738 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb0116da05ed0aea6f031fec744ef2f88983c7a5 [2021-09-13 13:13:39,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-13 13:13:40,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-13 13:13:40,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-13 13:13:40,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-13 13:13:40,014 INFO L275 PluginConnector]: CDTParser initialized [2021-09-13 13:13:40,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2021-09-13 13:13:40,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854d9ffe1/ba8c64b34e1b4c76908bd4558e5f58a2/FLAG63bb5aa19 [2021-09-13 13:13:40,452 INFO L306 CDTParser]: Found 1 translation units. [2021-09-13 13:13:40,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2021-09-13 13:13:40,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854d9ffe1/ba8c64b34e1b4c76908bd4558e5f58a2/FLAG63bb5aa19 [2021-09-13 13:13:40,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854d9ffe1/ba8c64b34e1b4c76908bd4558e5f58a2 [2021-09-13 13:13:40,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-13 13:13:40,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-13 13:13:40,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-13 13:13:40,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-13 13:13:40,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-13 13:13:40,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3ff2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40, skipping insertion in model container [2021-09-13 13:13:40,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-13 13:13:40,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-13 13:13:40,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c[5582,5595] [2021-09-13 13:13:40,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 13:13:40,713 INFO L203 MainTranslator]: Completed pre-run [2021-09-13 13:13:40,759 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c[5582,5595] [2021-09-13 13:13:40,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 13:13:40,777 INFO L208 MainTranslator]: Completed translation [2021-09-13 13:13:40,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40 WrapperNode [2021-09-13 13:13:40,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-13 13:13:40,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-13 13:13:40,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-13 13:13:40,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-13 13:13:40,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-13 13:13:40,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-13 13:13:40,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-13 13:13:40,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-13 13:13:40,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-13 13:13:40,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-13 13:13:40,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-13 13:13:40,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-13 13:13:40,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (1/1) ... [2021-09-13 13:13:40,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 13:13:40,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 13:13:40,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-09-13 13:13:40,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-09-13 13:13:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-09-13 13:13:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-09-13 13:13:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-13 13:13:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-09-13 13:13:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-09-13 13:13:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-13 13:13:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-13 13:13:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-09-13 13:13:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-09-13 13:13:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-09-13 13:13:41,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-13 13:13:41,459 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-09-13 13:13:41,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:13:41 BoogieIcfgContainer [2021-09-13 13:13:41,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-09-13 13:13:41,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-09-13 13:13:41,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-09-13 13:13:41,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-09-13 13:13:41,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 01:13:40" (1/3) ... [2021-09-13 13:13:41,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36db8f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 01:13:41, skipping insertion in model container [2021-09-13 13:13:41,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:13:40" (2/3) ... [2021-09-13 13:13:41,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36db8f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 01:13:41, skipping insertion in model container [2021-09-13 13:13:41,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:13:41" (3/3) ... [2021-09-13 13:13:41,473 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684a.c [2021-09-13 13:13:41,477 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-09-13 13:13:41,478 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-09-13 13:13:41,516 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-09-13 13:13:41,522 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-09-13 13:13:41,522 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-09-13 13:13:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6902654867256637) internal successors, (191), 114 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-13 13:13:41,544 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:13:41,545 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:13:41,545 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-09-13 13:13:41,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:13:41,550 INFO L82 PathProgramCache]: Analyzing trace with hash -701283450, now seen corresponding path program 1 times [2021-09-13 13:13:41,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-09-13 13:13:41,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562614686] [2021-09-13 13:13:41,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:13:41,561 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-09-13 13:13:41,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-09-13 13:13:41,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-09-13 13:13:41,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-09-13 13:13:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:13:42,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2021-09-13 13:13:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:13:42,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:13:42,376 INFO L281 TraceCheckUtils]: 0: Hoare triple {118#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string4.base, #t~string4.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string4.base, ~bvadd32(1bv32, #t~string4.offset), 1bv32);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(21bv32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12bv32);call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {118#true} is VALID [2021-09-13 13:13:42,376 INFO L281 TraceCheckUtils]: 1: Hoare triple {118#true} havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_#t~ret45, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet43;havoc main_#t~nondet43;main_~y~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());isfinite_float_#in~x := main_~x~0;havoc isfinite_float_#res;havoc isfinite_float_#t~mem42, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, isfinite_float_~x, isfinite_float_~ix~3;isfinite_float_~x := isfinite_float_#in~x;havoc isfinite_float_~ix~3; {118#true} is VALID [2021-09-13 13:13:42,377 INFO L281 TraceCheckUtils]: 2: Hoare triple {118#true} assume !true; {119#false} is VALID [2021-09-13 13:13:42,377 INFO L281 TraceCheckUtils]: 3: Hoare triple {119#false} isfinite_float_~ix~3 := ~bvand32(2147483647bv32, isfinite_float_~ix~3);isfinite_float_#res := (if ~bvslt32(isfinite_float_~ix~3, 2139095040bv32) then 1bv32 else 0bv32); {119#false} is VALID [2021-09-13 13:13:42,377 INFO L281 TraceCheckUtils]: 4: Hoare triple {119#false} main_#t~ret44 := isfinite_float_#res; {119#false} is VALID [2021-09-13 13:13:42,378 INFO L281 TraceCheckUtils]: 5: Hoare triple {119#false} assume 0bv32 != main_#t~ret44;havoc main_#t~ret44;__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem29, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem30, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~ite33, __ieee754_atan2f_#t~switch34, __ieee754_atan2f_#t~switch35, __ieee754_atan2f_#t~ite36, __ieee754_atan2f_#t~ret37, __ieee754_atan2f_#t~ret38, __ieee754_atan2f_#t~switch39, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {119#false} is VALID [2021-09-13 13:13:42,378 INFO L281 TraceCheckUtils]: 6: Hoare triple {119#false} assume !true; {119#false} is VALID [2021-09-13 13:13:42,378 INFO L281 TraceCheckUtils]: 7: Hoare triple {119#false} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {119#false} is VALID [2021-09-13 13:13:42,378 INFO L281 TraceCheckUtils]: 8: Hoare triple {119#false} assume !true; {119#false} is VALID [2021-09-13 13:13:42,378 INFO L281 TraceCheckUtils]: 9: Hoare triple {119#false} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {119#false} is VALID [2021-09-13 13:13:42,379 INFO L281 TraceCheckUtils]: 10: Hoare triple {119#false} assume ~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32);__ieee754_atan2f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_atan2f_~x, __ieee754_atan2f_~y); {119#false} is VALID [2021-09-13 13:13:42,379 INFO L281 TraceCheckUtils]: 11: Hoare triple {119#false} main_#t~ret45 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret45;havoc main_#t~ret45; {119#false} is VALID [2021-09-13 13:13:42,379 INFO L281 TraceCheckUtils]: 12: Hoare triple {119#false} assume !~fp.eq~FLOAT(main_~res~0, ~pi_o_2~0); {119#false} is VALID [2021-09-13 13:13:42,379 INFO L281 TraceCheckUtils]: 13: Hoare triple {119#false} assume !false; {119#false} is VALID [2021-09-13 13:13:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:13:42,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-09-13 13:13:42,426 INFO L281 TraceCheckUtils]: 13: Hoare triple {119#false} assume !false; {119#false} is VALID [2021-09-13 13:13:42,426 INFO L281 TraceCheckUtils]: 12: Hoare triple {119#false} assume !~fp.eq~FLOAT(main_~res~0, ~pi_o_2~0); {119#false} is VALID [2021-09-13 13:13:42,426 INFO L281 TraceCheckUtils]: 11: Hoare triple {119#false} main_#t~ret45 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret45;havoc main_#t~ret45; {119#false} is VALID [2021-09-13 13:13:42,427 INFO L281 TraceCheckUtils]: 10: Hoare triple {119#false} assume ~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32);__ieee754_atan2f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_atan2f_~x, __ieee754_atan2f_~y); {119#false} is VALID [2021-09-13 13:13:42,427 INFO L281 TraceCheckUtils]: 9: Hoare triple {119#false} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {119#false} is VALID [2021-09-13 13:13:42,427 INFO L281 TraceCheckUtils]: 8: Hoare triple {119#false} assume !true; {119#false} is VALID [2021-09-13 13:13:42,427 INFO L281 TraceCheckUtils]: 7: Hoare triple {119#false} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {119#false} is VALID [2021-09-13 13:13:42,428 INFO L281 TraceCheckUtils]: 6: Hoare triple {119#false} assume !true; {119#false} is VALID [2021-09-13 13:13:42,428 INFO L281 TraceCheckUtils]: 5: Hoare triple {119#false} assume 0bv32 != main_#t~ret44;havoc main_#t~ret44;__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem29, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem30, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~ite33, __ieee754_atan2f_#t~switch34, __ieee754_atan2f_#t~switch35, __ieee754_atan2f_#t~ite36, __ieee754_atan2f_#t~ret37, __ieee754_atan2f_#t~ret38, __ieee754_atan2f_#t~switch39, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {119#false} is VALID [2021-09-13 13:13:42,428 INFO L281 TraceCheckUtils]: 4: Hoare triple {119#false} main_#t~ret44 := isfinite_float_#res; {119#false} is VALID [2021-09-13 13:13:42,429 INFO L281 TraceCheckUtils]: 3: Hoare triple {119#false} isfinite_float_~ix~3 := ~bvand32(2147483647bv32, isfinite_float_~ix~3);isfinite_float_#res := (if ~bvslt32(isfinite_float_~ix~3, 2139095040bv32) then 1bv32 else 0bv32); {119#false} is VALID [2021-09-13 13:13:42,429 INFO L281 TraceCheckUtils]: 2: Hoare triple {118#true} assume !true; {119#false} is VALID [2021-09-13 13:13:42,429 INFO L281 TraceCheckUtils]: 1: Hoare triple {118#true} havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_#t~ret45, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet43;havoc main_#t~nondet43;main_~y~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());isfinite_float_#in~x := main_~x~0;havoc isfinite_float_#res;havoc isfinite_float_#t~mem42, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, isfinite_float_~x, isfinite_float_~ix~3;isfinite_float_~x := isfinite_float_#in~x;havoc isfinite_float_~ix~3; {118#true} is VALID [2021-09-13 13:13:42,429 INFO L281 TraceCheckUtils]: 0: Hoare triple {118#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string4.base, #t~string4.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string4.base, ~bvadd32(1bv32, #t~string4.offset), 1bv32);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(21bv32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12bv32);call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {118#true} is VALID [2021-09-13 13:13:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:13:42,430 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-09-13 13:13:42,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562614686] [2021-09-13 13:13:42,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562614686] provided 2 perfect and 0 imperfect interpolant sequences [2021-09-13 13:13:42,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:13:42,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-09-13 13:13:42,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092080078] [2021-09-13 13:13:42,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-09-13 13:13:42,436 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:13:42,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:42,470 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:13:42,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-09-13 13:13:42,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-09-13 13:13:42,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-09-13 13:13:42,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-09-13 13:13:42,485 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.6902654867256637) internal successors, (191), 114 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:13:47,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:13:49,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:13:51,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:13:54,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:13:58,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:00,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:03,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:06,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:10,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:12,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:14,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:17,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:19,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:19,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:14:19,942 INFO L93 Difference]: Finished difference Result 228 states and 380 transitions. [2021-09-13 13:14:19,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-09-13 13:14:19,993 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-09-13 13:14:19,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 13:14:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 380 transitions. [2021-09-13 13:14:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:20,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 380 transitions. [2021-09-13 13:14:20,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 380 transitions. [2021-09-13 13:14:25,683 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 380 edges. 380 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:14:25,691 INFO L225 Difference]: With dead ends: 228 [2021-09-13 13:14:25,691 INFO L226 Difference]: Without dead ends: 111 [2021-09-13 13:14:25,693 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.13ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-09-13 13:14:25,695 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28987.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29523.85ms IncrementalHoareTripleChecker+Time [2021-09-13 13:14:25,696 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 164 Unknown, 0 Unchecked, 2.92ms Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 9 Unknown, 0 Unchecked, 29523.85ms Time] [2021-09-13 13:14:25,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-09-13 13:14:25,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-09-13 13:14:25,720 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 13:14:25,722 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:25,722 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:25,723 INFO L87 Difference]: Start difference. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:25,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:14:25,727 INFO L93 Difference]: Finished difference Result 111 states and 159 transitions. [2021-09-13 13:14:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-09-13 13:14:25,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:14:25,728 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:14:25,728 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 111 states. [2021-09-13 13:14:25,728 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 111 states. [2021-09-13 13:14:25,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:14:25,732 INFO L93 Difference]: Finished difference Result 111 states and 159 transitions. [2021-09-13 13:14:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-09-13 13:14:25,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:14:25,732 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:14:25,733 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 13:14:25,733 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 13:14:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:25,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2021-09-13 13:14:25,737 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 14 [2021-09-13 13:14:25,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 13:14:25,737 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2021-09-13 13:14:25,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-09-13 13:14:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-09-13 13:14:25,738 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:14:25,738 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:14:25,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-09-13 13:14:25,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-09-13 13:14:25,965 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-09-13 13:14:25,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:14:25,969 INFO L82 PathProgramCache]: Analyzing trace with hash 69437810, now seen corresponding path program 1 times [2021-09-13 13:14:25,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-09-13 13:14:25,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266266862] [2021-09-13 13:14:25,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:14:25,971 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-09-13 13:14:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-09-13 13:14:25,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-09-13 13:14:25,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-09-13 13:14:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:14:26,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 23 conjunts are in the unsatisfiable core [2021-09-13 13:14:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:14:26,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:14:27,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 24 [2021-09-13 13:14:28,585 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-09-13 13:14:28,586 INFO L388 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 1 case distinctions, treesize of input 55 treesize of output 42 [2021-09-13 13:14:29,701 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-09-13 13:14:29,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 26 [2021-09-13 13:14:31,081 INFO L281 TraceCheckUtils]: 0: Hoare triple {811#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string4.base, #t~string4.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string4.base, ~bvadd32(1bv32, #t~string4.offset), 1bv32);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(21bv32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12bv32);call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {811#true} is VALID [2021-09-13 13:14:31,084 INFO L281 TraceCheckUtils]: 1: Hoare triple {811#true} havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_#t~ret45, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet43;havoc main_#t~nondet43;main_~y~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());isfinite_float_#in~x := main_~x~0;havoc isfinite_float_#res;havoc isfinite_float_#t~mem42, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, isfinite_float_~x, isfinite_float_~ix~3;isfinite_float_~x := isfinite_float_#in~x;havoc isfinite_float_~ix~3; {819#(and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= ULTIMATE.start_main_~x~0 ULTIMATE.start_isfinite_float_~x))} is VALID [2021-09-13 13:14:31,089 INFO L281 TraceCheckUtils]: 2: Hoare triple {819#(and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= ULTIMATE.start_main_~x~0 ULTIMATE.start_isfinite_float_~x))} call isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isfinite_float_~x, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, 4bv32);call isfinite_float_#t~mem42 := read~intINTTYPE4(isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, 4bv32);isfinite_float_~ix~3 := isfinite_float_#t~mem42;havoc isfinite_float_#t~mem42;call ULTIMATE.dealloc(isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset);havoc isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset; {823#(and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (= ULTIMATE.start_isfinite_float_~ix~3 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,091 INFO L281 TraceCheckUtils]: 3: Hoare triple {823#(and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (= ULTIMATE.start_isfinite_float_~ix~3 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} goto; {823#(and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (= ULTIMATE.start_isfinite_float_~ix~3 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,093 INFO L281 TraceCheckUtils]: 4: Hoare triple {823#(and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (= ULTIMATE.start_isfinite_float_~ix~3 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} isfinite_float_~ix~3 := ~bvand32(2147483647bv32, isfinite_float_~ix~3);isfinite_float_#res := (if ~bvslt32(isfinite_float_~ix~3, 2139095040bv32) then 1bv32 else 0bv32); {830#(and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (or (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= |ULTIMATE.start_isfinite_float_#res| (_ bv1 32))) (and (= |ULTIMATE.start_isfinite_float_#res| (_ bv0 32)) (not (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32))))))))} is VALID [2021-09-13 13:14:31,095 INFO L281 TraceCheckUtils]: 5: Hoare triple {830#(and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))) (or (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= |ULTIMATE.start_isfinite_float_#res| (_ bv1 32))) (and (= |ULTIMATE.start_isfinite_float_#res| (_ bv0 32)) (not (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32))))))))} main_#t~ret44 := isfinite_float_#res; {834#(and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (or (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= |ULTIMATE.start_main_#t~ret44| (_ bv1 32))) (and (= |ULTIMATE.start_main_#t~ret44| (_ bv0 32)) (not (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32))))) (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,097 INFO L281 TraceCheckUtils]: 6: Hoare triple {834#(and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (or (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= |ULTIMATE.start_main_#t~ret44| (_ bv1 32))) (and (= |ULTIMATE.start_main_#t~ret44| (_ bv0 32)) (not (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32))))) (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} assume 0bv32 != main_#t~ret44;havoc main_#t~ret44;__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem29, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem30, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~ite33, __ieee754_atan2f_#t~switch34, __ieee754_atan2f_#t~switch35, __ieee754_atan2f_#t~ite36, __ieee754_atan2f_#t~ret37, __ieee754_atan2f_#t~ret38, __ieee754_atan2f_#t~switch39, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {838#(and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32)))) ULTIMATE.start___ieee754_atan2f_~x))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,101 INFO L281 TraceCheckUtils]: 7: Hoare triple {838#(and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32)))) ULTIMATE.start___ieee754_atan2f_~x))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} call __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~x, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);call __ieee754_atan2f_#t~mem29 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);__ieee754_atan2f_~hx~1 := __ieee754_atan2f_#t~mem29;havoc __ieee754_atan2f_#t~mem29;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset);havoc __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset; {842#(and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32)))) (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))))) (= (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32)) ULTIMATE.start___ieee754_atan2f_~hx~1))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,102 INFO L281 TraceCheckUtils]: 8: Hoare triple {842#(and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32)))) (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))))) (= (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32)) ULTIMATE.start___ieee754_atan2f_~hx~1))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} goto; {842#(and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32)))) (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))))) (= (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32)) ULTIMATE.start___ieee754_atan2f_~hx~1))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,107 INFO L281 TraceCheckUtils]: 9: Hoare triple {842#(and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32)))) (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))))) (= (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32)) ULTIMATE.start___ieee754_atan2f_~hx~1))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {849#(and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32)))) (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))))) (= (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,110 INFO L281 TraceCheckUtils]: 10: Hoare triple {849#(and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5.base_5|) (_ bv0 32)))) (fp ((_ extract 31 31) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 30 23) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ((_ extract 22 0) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))))) (= (bvand (_ bv2147483647 32) (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_6|) (_ bv0 32))) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} call __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~y, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);call __ieee754_atan2f_#t~mem30 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);__ieee754_atan2f_~hy~0 := __ieee754_atan2f_#t~mem30;havoc __ieee754_atan2f_#t~mem30;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset);havoc __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset; {853#(and (exists ((v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_2) ULTIMATE.start___ieee754_atan2f_~ix~2) (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_3) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,111 INFO L281 TraceCheckUtils]: 11: Hoare triple {853#(and (exists ((v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_2) ULTIMATE.start___ieee754_atan2f_~ix~2) (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_3) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} goto; {853#(and (exists ((v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_2) ULTIMATE.start___ieee754_atan2f_~ix~2) (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_3) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2021-09-13 13:14:31,113 INFO L281 TraceCheckUtils]: 12: Hoare triple {853#(and (exists ((v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_2) ULTIMATE.start___ieee754_atan2f_~ix~2) (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_3) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {860#(and (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (exists ((v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_2) ULTIMATE.start___ieee754_atan2f_~ix~2) (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_3) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))))))} is VALID [2021-09-13 13:14:31,125 INFO L281 TraceCheckUtils]: 13: Hoare triple {860#(and (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (exists ((v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_2) ULTIMATE.start___ieee754_atan2f_~ix~2) (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_3) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))))))} assume ~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32);__ieee754_atan2f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_atan2f_~x, __ieee754_atan2f_~y); {812#false} is VALID [2021-09-13 13:14:31,125 INFO L281 TraceCheckUtils]: 14: Hoare triple {812#false} main_#t~ret45 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret45;havoc main_#t~ret45; {812#false} is VALID [2021-09-13 13:14:31,125 INFO L281 TraceCheckUtils]: 15: Hoare triple {812#false} assume !~fp.eq~FLOAT(main_~res~0, ~pi_o_2~0); {812#false} is VALID [2021-09-13 13:14:31,125 INFO L281 TraceCheckUtils]: 16: Hoare triple {812#false} assume !false; {812#false} is VALID [2021-09-13 13:14:31,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:14:31,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-09-13 13:14:37,469 INFO L281 TraceCheckUtils]: 16: Hoare triple {812#false} assume !false; {812#false} is VALID [2021-09-13 13:14:37,470 INFO L281 TraceCheckUtils]: 15: Hoare triple {812#false} assume !~fp.eq~FLOAT(main_~res~0, ~pi_o_2~0); {812#false} is VALID [2021-09-13 13:14:37,470 INFO L281 TraceCheckUtils]: 14: Hoare triple {812#false} main_#t~ret45 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret45;havoc main_#t~ret45; {812#false} is VALID [2021-09-13 13:14:37,470 INFO L281 TraceCheckUtils]: 13: Hoare triple {882#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt ULTIMATE.start___ieee754_atan2f_~iy~0 (_ bv2139095040 32))))} assume ~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32);__ieee754_atan2f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_atan2f_~x, __ieee754_atan2f_~y); {812#false} is VALID [2021-09-13 13:14:37,471 INFO L281 TraceCheckUtils]: 12: Hoare triple {886#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv2139095040 32))))} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {882#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt ULTIMATE.start___ieee754_atan2f_~iy~0 (_ bv2139095040 32))))} is VALID [2021-09-13 13:14:37,471 INFO L281 TraceCheckUtils]: 11: Hoare triple {886#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv2139095040 32))))} goto; {886#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv2139095040 32))))} is VALID [2021-09-13 13:14:37,473 INFO L281 TraceCheckUtils]: 10: Hoare triple {893#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11))))))} call __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~y, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);call __ieee754_atan2f_#t~mem30 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);__ieee754_atan2f_~hy~0 := __ieee754_atan2f_#t~mem30;havoc __ieee754_atan2f_#t~mem30;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset);havoc __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset; {886#(and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv2139095040 32))))} is VALID [2021-09-13 13:14:37,474 INFO L281 TraceCheckUtils]: 9: Hoare triple {897#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (and (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11))))))} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {893#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (and (not (bvsgt ULTIMATE.start___ieee754_atan2f_~ix~2 (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11))))))} is VALID [2021-09-13 13:14:37,474 INFO L281 TraceCheckUtils]: 8: Hoare triple {897#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (and (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11))))))} goto; {897#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (and (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11))))))} is VALID [2021-09-13 13:14:37,510 INFO L281 TraceCheckUtils]: 7: Hoare triple {904#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11))))))} call __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~x, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);call __ieee754_atan2f_#t~mem29 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);__ieee754_atan2f_~hx~1 := __ieee754_atan2f_#t~mem29;havoc __ieee754_atan2f_#t~mem29;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset);havoc __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset; {897#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (and (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11))))))} is VALID [2021-09-13 13:14:37,512 INFO L281 TraceCheckUtils]: 6: Hoare triple {908#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (= |ULTIMATE.start_main_#t~ret44| (_ bv0 32)))} assume 0bv32 != main_#t~ret44;havoc main_#t~ret44;__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem29, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem30, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~ite33, __ieee754_atan2f_#t~switch34, __ieee754_atan2f_#t~switch35, __ieee754_atan2f_#t~ite36, __ieee754_atan2f_#t~ret37, __ieee754_atan2f_#t~ret38, __ieee754_atan2f_#t~switch39, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {904#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_atan2f_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11))))))} is VALID [2021-09-13 13:14:37,513 INFO L281 TraceCheckUtils]: 5: Hoare triple {912#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (= |ULTIMATE.start_isfinite_float_#res| (_ bv0 32)))} main_#t~ret44 := isfinite_float_#res; {908#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (= |ULTIMATE.start_main_#t~ret44| (_ bv0 32)))} is VALID [2021-09-13 13:14:37,513 INFO L281 TraceCheckUtils]: 4: Hoare triple {916#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (not (bvslt (bvand (_ bv2147483647 32) ULTIMATE.start_isfinite_float_~ix~3) (_ bv2139095040 32))))} isfinite_float_~ix~3 := ~bvand32(2147483647bv32, isfinite_float_~ix~3);isfinite_float_#res := (if ~bvslt32(isfinite_float_~ix~3, 2139095040bv32) then 1bv32 else 0bv32); {912#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (= |ULTIMATE.start_isfinite_float_#res| (_ bv0 32)))} is VALID [2021-09-13 13:14:37,514 INFO L281 TraceCheckUtils]: 3: Hoare triple {916#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (not (bvslt (bvand (_ bv2147483647 32) ULTIMATE.start_isfinite_float_~ix~3) (_ bv2139095040 32))))} goto; {916#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (not (bvslt (bvand (_ bv2147483647 32) ULTIMATE.start_isfinite_float_~ix~3) (_ bv2139095040 32))))} is VALID [2021-09-13 13:14:37,522 INFO L281 TraceCheckUtils]: 2: Hoare triple {923#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (forall ((v_ULTIMATE.start_isfinite_float_~ix~3_9 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isfinite_float_~ix~3_9) ((_ extract 30 23) v_ULTIMATE.start_isfinite_float_~ix~3_9) ((_ extract 22 0) v_ULTIMATE.start_isfinite_float_~ix~3_9)) ULTIMATE.start_isfinite_float_~x)) (not (bvslt (bvand (_ bv2147483647 32) v_ULTIMATE.start_isfinite_float_~ix~3_9) (_ bv2139095040 32))))))} call isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isfinite_float_~x, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, 4bv32);call isfinite_float_#t~mem42 := read~intINTTYPE4(isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, 4bv32);isfinite_float_~ix~3 := isfinite_float_#t~mem42;havoc isfinite_float_#t~mem42;call ULTIMATE.dealloc(isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset);havoc isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset; {916#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (not (bvslt (bvand (_ bv2147483647 32) ULTIMATE.start_isfinite_float_~ix~3) (_ bv2139095040 32))))} is VALID [2021-09-13 13:14:37,525 INFO L281 TraceCheckUtils]: 1: Hoare triple {811#true} havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_#t~ret45, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet43;havoc main_#t~nondet43;main_~y~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());isfinite_float_#in~x := main_~x~0;havoc isfinite_float_#res;havoc isfinite_float_#t~mem42, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, isfinite_float_~x, isfinite_float_~ix~3;isfinite_float_~x := isfinite_float_#in~x;havoc isfinite_float_~ix~3; {923#(or (forall ((v_ULTIMATE.start___ieee754_atan2f_~hx~1_10 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~hy~0_11 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11)))) (not (= ULTIMATE.start_main_~x~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10)))) (and (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hx~1_10) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_11) (_ bv2139095040 32)))))) (forall ((v_ULTIMATE.start_isfinite_float_~ix~3_9 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isfinite_float_~ix~3_9) ((_ extract 30 23) v_ULTIMATE.start_isfinite_float_~ix~3_9) ((_ extract 22 0) v_ULTIMATE.start_isfinite_float_~ix~3_9)) ULTIMATE.start_isfinite_float_~x)) (not (bvslt (bvand (_ bv2147483647 32) v_ULTIMATE.start_isfinite_float_~ix~3_9) (_ bv2139095040 32))))))} is VALID [2021-09-13 13:14:37,525 INFO L281 TraceCheckUtils]: 0: Hoare triple {811#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string4.base, #t~string4.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string4.base, ~bvadd32(1bv32, #t~string4.offset), 1bv32);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(21bv32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12bv32);call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {811#true} is VALID [2021-09-13 13:14:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:14:37,525 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-09-13 13:14:37,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266266862] [2021-09-13 13:14:37,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266266862] provided 2 perfect and 0 imperfect interpolant sequences [2021-09-13 13:14:37,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:14:37,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2021-09-13 13:14:37,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875451918] [2021-09-13 13:14:37,526 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-09-13 13:14:37,527 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:14:37,527 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:37,754 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:14:37,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-09-13 13:14:37,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-09-13 13:14:37,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-09-13 13:14:37,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-09-13 13:14:37,755 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:14:49,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:52,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:54,103 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:14:56,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:01,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:04,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:06,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:09,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:11,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:14,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:18,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:20,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:22,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:25,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:32,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:34,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:36,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:15:36,561 INFO L93 Difference]: Finished difference Result 115 states and 162 transitions. [2021-09-13 13:15:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-09-13 13:15:36,623 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-09-13 13:15:36,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 13:15:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 162 transitions. [2021-09-13 13:15:36,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 162 transitions. [2021-09-13 13:15:36,627 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 162 transitions. [2021-09-13 13:15:39,713 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:15:39,715 INFO L225 Difference]: With dead ends: 115 [2021-09-13 13:15:39,715 INFO L226 Difference]: Without dead ends: 111 [2021-09-13 13:15:39,715 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 4658.43ms TimeCoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-09-13 13:15:39,716 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42365.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 1107 IncrementalHoareTripleChecker+Unchecked, 43049.35ms IncrementalHoareTripleChecker+Time [2021-09-13 13:15:39,716 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1390 Unknown, 0 Unchecked, 8.08ms Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 11 Unknown, 1107 Unchecked, 43049.35ms Time] [2021-09-13 13:15:39,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-09-13 13:15:39,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-09-13 13:15:39,736 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 13:15:39,737 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4363636363636363) internal successors, (158), 110 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:39,739 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4363636363636363) internal successors, (158), 110 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:39,739 INFO L87 Difference]: Start difference. First operand 111 states. Second operand has 111 states, 110 states have (on average 1.4363636363636363) internal successors, (158), 110 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:39,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:15:39,743 INFO L93 Difference]: Finished difference Result 111 states and 158 transitions. [2021-09-13 13:15:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2021-09-13 13:15:39,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:15:39,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:15:39,748 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 110 states have (on average 1.4363636363636363) internal successors, (158), 110 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 111 states. [2021-09-13 13:15:39,749 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.4363636363636363) internal successors, (158), 110 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 111 states. [2021-09-13 13:15:39,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:15:39,751 INFO L93 Difference]: Finished difference Result 111 states and 158 transitions. [2021-09-13 13:15:39,752 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2021-09-13 13:15:39,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:15:39,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:15:39,753 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 13:15:39,753 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 13:15:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4363636363636363) internal successors, (158), 110 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2021-09-13 13:15:39,756 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 17 [2021-09-13 13:15:39,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 13:15:39,757 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2021-09-13 13:15:39,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2021-09-13 13:15:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-09-13 13:15:39,759 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:15:39,759 INFO L513 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] [2021-09-13 13:15:39,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-09-13 13:15:39,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-09-13 13:15:39,985 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-09-13 13:15:39,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:15:39,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1096277279, now seen corresponding path program 1 times [2021-09-13 13:15:39,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-09-13 13:15:39,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261769261] [2021-09-13 13:15:39,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:15:39,986 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-09-13 13:15:39,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-09-13 13:15:39,987 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-09-13 13:15:39,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-09-13 13:15:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:15:40,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2021-09-13 13:15:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:15:40,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:15:41,579 INFO L281 TraceCheckUtils]: 0: Hoare triple {1410#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string4.base, #t~string4.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string4.base, ~bvadd32(1bv32, #t~string4.offset), 1bv32);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(21bv32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12bv32);call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {1410#true} is VALID [2021-09-13 13:15:41,581 INFO L281 TraceCheckUtils]: 1: Hoare triple {1410#true} havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_#t~ret45, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet43;havoc main_#t~nondet43;main_~y~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());isfinite_float_#in~x := main_~x~0;havoc isfinite_float_#res;havoc isfinite_float_#t~mem42, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, isfinite_float_~x, isfinite_float_~ix~3;isfinite_float_~x := isfinite_float_#in~x;havoc isfinite_float_~ix~3; {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,582 INFO L281 TraceCheckUtils]: 2: Hoare triple {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} call isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isfinite_float_~x, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, 4bv32);call isfinite_float_#t~mem42 := read~intINTTYPE4(isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, 4bv32);isfinite_float_~ix~3 := isfinite_float_#t~mem42;havoc isfinite_float_#t~mem42;call ULTIMATE.dealloc(isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset);havoc isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset; {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,582 INFO L281 TraceCheckUtils]: 3: Hoare triple {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,583 INFO L281 TraceCheckUtils]: 4: Hoare triple {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} isfinite_float_~ix~3 := ~bvand32(2147483647bv32, isfinite_float_~ix~3);isfinite_float_#res := (if ~bvslt32(isfinite_float_~ix~3, 2139095040bv32) then 1bv32 else 0bv32); {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,583 INFO L281 TraceCheckUtils]: 5: Hoare triple {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} main_#t~ret44 := isfinite_float_#res; {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,583 INFO L281 TraceCheckUtils]: 6: Hoare triple {1418#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~y~0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} assume 0bv32 != main_#t~ret44;havoc main_#t~ret44;__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem29, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem30, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~ite33, __ieee754_atan2f_#t~switch34, __ieee754_atan2f_#t~switch35, __ieee754_atan2f_#t~ite36, __ieee754_atan2f_#t~ret37, __ieee754_atan2f_#t~ret38, __ieee754_atan2f_#t~switch39, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {1434#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,584 INFO L281 TraceCheckUtils]: 7: Hoare triple {1434#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} call __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~x, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);call __ieee754_atan2f_#t~mem29 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);__ieee754_atan2f_~hx~1 := __ieee754_atan2f_#t~mem29;havoc __ieee754_atan2f_#t~mem29;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset);havoc __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset; {1434#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,584 INFO L281 TraceCheckUtils]: 8: Hoare triple {1434#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {1434#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,584 INFO L281 TraceCheckUtils]: 9: Hoare triple {1434#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {1434#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,587 INFO L281 TraceCheckUtils]: 10: Hoare triple {1434#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_atan2f_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} call __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~y, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);call __ieee754_atan2f_#t~mem30 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);__ieee754_atan2f_~hy~0 := __ieee754_atan2f_#t~mem30;havoc __ieee754_atan2f_#t~mem30;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset);havoc __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset; {1447#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,587 INFO L281 TraceCheckUtils]: 11: Hoare triple {1447#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {1447#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2021-09-13 13:15:41,589 INFO L281 TraceCheckUtils]: 12: Hoare triple {1447#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {1454#(exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))} is VALID [2021-09-13 13:15:41,589 INFO L281 TraceCheckUtils]: 13: Hoare triple {1454#(exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))} assume !(~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32)); {1454#(exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))} is VALID [2021-09-13 13:15:41,590 INFO L281 TraceCheckUtils]: 14: Hoare triple {1454#(exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))} assume !(1065353216bv32 == __ieee754_atan2f_~hx~1);__ieee754_atan2f_~m~0 := ~bvor32(~bvand32(1bv32, ~bvashr32(__ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(__ieee754_atan2f_~hx~1, 30bv32))); {1454#(exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))} is VALID [2021-09-13 13:15:41,592 INFO L281 TraceCheckUtils]: 15: Hoare triple {1454#(exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))} assume 0bv32 == __ieee754_atan2f_~iy~0;__ieee754_atan2f_#t~switch32 := 0bv32 == __ieee754_atan2f_~m~0; {1411#false} is VALID [2021-09-13 13:15:41,592 INFO L281 TraceCheckUtils]: 16: Hoare triple {1411#false} assume __ieee754_atan2f_#t~switch32; {1411#false} is VALID [2021-09-13 13:15:41,592 INFO L281 TraceCheckUtils]: 17: Hoare triple {1411#false} __ieee754_atan2f_#t~switch32 := __ieee754_atan2f_#t~switch32 || 1bv32 == __ieee754_atan2f_~m~0; {1411#false} is VALID [2021-09-13 13:15:41,592 INFO L281 TraceCheckUtils]: 18: Hoare triple {1411#false} assume __ieee754_atan2f_#t~switch32;__ieee754_atan2f_#res := __ieee754_atan2f_~y; {1411#false} is VALID [2021-09-13 13:15:41,592 INFO L281 TraceCheckUtils]: 19: Hoare triple {1411#false} main_#t~ret45 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret45;havoc main_#t~ret45; {1411#false} is VALID [2021-09-13 13:15:41,592 INFO L281 TraceCheckUtils]: 20: Hoare triple {1411#false} assume !~fp.eq~FLOAT(main_~res~0, ~pi_o_2~0); {1411#false} is VALID [2021-09-13 13:15:41,592 INFO L281 TraceCheckUtils]: 21: Hoare triple {1411#false} assume !false; {1411#false} is VALID [2021-09-13 13:15:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:15:41,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-09-13 13:15:42,941 INFO L281 TraceCheckUtils]: 21: Hoare triple {1411#false} assume !false; {1411#false} is VALID [2021-09-13 13:15:42,941 INFO L281 TraceCheckUtils]: 20: Hoare triple {1411#false} assume !~fp.eq~FLOAT(main_~res~0, ~pi_o_2~0); {1411#false} is VALID [2021-09-13 13:15:42,941 INFO L281 TraceCheckUtils]: 19: Hoare triple {1411#false} main_#t~ret45 := __ieee754_atan2f_#res;main_~res~0 := main_#t~ret45;havoc main_#t~ret45; {1411#false} is VALID [2021-09-13 13:15:42,941 INFO L281 TraceCheckUtils]: 18: Hoare triple {1411#false} assume __ieee754_atan2f_#t~switch32;__ieee754_atan2f_#res := __ieee754_atan2f_~y; {1411#false} is VALID [2021-09-13 13:15:42,941 INFO L281 TraceCheckUtils]: 17: Hoare triple {1411#false} __ieee754_atan2f_#t~switch32 := __ieee754_atan2f_#t~switch32 || 1bv32 == __ieee754_atan2f_~m~0; {1411#false} is VALID [2021-09-13 13:15:42,941 INFO L281 TraceCheckUtils]: 16: Hoare triple {1411#false} assume __ieee754_atan2f_#t~switch32; {1411#false} is VALID [2021-09-13 13:15:42,942 INFO L281 TraceCheckUtils]: 15: Hoare triple {1500#(not (= (_ bv0 32) ULTIMATE.start___ieee754_atan2f_~iy~0))} assume 0bv32 == __ieee754_atan2f_~iy~0;__ieee754_atan2f_#t~switch32 := 0bv32 == __ieee754_atan2f_~m~0; {1411#false} is VALID [2021-09-13 13:15:42,942 INFO L281 TraceCheckUtils]: 14: Hoare triple {1500#(not (= (_ bv0 32) ULTIMATE.start___ieee754_atan2f_~iy~0))} assume !(1065353216bv32 == __ieee754_atan2f_~hx~1);__ieee754_atan2f_~m~0 := ~bvor32(~bvand32(1bv32, ~bvashr32(__ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(__ieee754_atan2f_~hx~1, 30bv32))); {1500#(not (= (_ bv0 32) ULTIMATE.start___ieee754_atan2f_~iy~0))} is VALID [2021-09-13 13:15:42,943 INFO L281 TraceCheckUtils]: 13: Hoare triple {1500#(not (= (_ bv0 32) ULTIMATE.start___ieee754_atan2f_~iy~0))} assume !(~bvsgt32(__ieee754_atan2f_~ix~2, 2139095040bv32) || ~bvsgt32(__ieee754_atan2f_~iy~0, 2139095040bv32)); {1500#(not (= (_ bv0 32) ULTIMATE.start___ieee754_atan2f_~iy~0))} is VALID [2021-09-13 13:15:42,943 INFO L281 TraceCheckUtils]: 12: Hoare triple {1510#(not (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv0 32)))} __ieee754_atan2f_~iy~0 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0); {1500#(not (= (_ bv0 32) ULTIMATE.start___ieee754_atan2f_~iy~0))} is VALID [2021-09-13 13:15:42,944 INFO L281 TraceCheckUtils]: 11: Hoare triple {1510#(not (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv0 32)))} goto; {1510#(not (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv0 32)))} is VALID [2021-09-13 13:15:42,945 INFO L281 TraceCheckUtils]: 10: Hoare triple {1517#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13))))))} call __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~y, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);call __ieee754_atan2f_#t~mem30 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, 4bv32);__ieee754_atan2f_~hy~0 := __ieee754_atan2f_#t~mem30;havoc __ieee754_atan2f_#t~mem30;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset);havoc __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset; {1510#(not (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) (_ bv0 32)))} is VALID [2021-09-13 13:15:42,946 INFO L281 TraceCheckUtils]: 9: Hoare triple {1517#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13))))))} __ieee754_atan2f_~ix~2 := ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1); {1517#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13))))))} is VALID [2021-09-13 13:15:42,946 INFO L281 TraceCheckUtils]: 8: Hoare triple {1517#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13))))))} goto; {1517#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13))))))} is VALID [2021-09-13 13:15:42,947 INFO L281 TraceCheckUtils]: 7: Hoare triple {1517#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13))))))} call __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_atan2f_~x, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);call __ieee754_atan2f_#t~mem29 := read~intINTTYPE4(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, 4bv32);__ieee754_atan2f_~hx~1 := __ieee754_atan2f_#t~mem29;havoc __ieee754_atan2f_#t~mem29;call ULTIMATE.dealloc(__ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset);havoc __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset; {1517#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13))))))} is VALID [2021-09-13 13:15:42,948 INFO L281 TraceCheckUtils]: 6: Hoare triple {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} assume 0bv32 != main_#t~ret44;havoc main_#t~ret44;__ieee754_atan2f_#in~y, __ieee754_atan2f_#in~x := main_~y~0, main_~x~0;havoc __ieee754_atan2f_#res;havoc __ieee754_atan2f_#t~mem29, __ieee754_atan2f_~#gf_u~2.base, __ieee754_atan2f_~#gf_u~2.offset, __ieee754_atan2f_#t~mem30, __ieee754_atan2f_~#gf_u~3.base, __ieee754_atan2f_~#gf_u~3.offset, __ieee754_atan2f_#t~ret31, __ieee754_atan2f_#t~switch32, __ieee754_atan2f_#t~ite33, __ieee754_atan2f_#t~switch34, __ieee754_atan2f_#t~switch35, __ieee754_atan2f_#t~ite36, __ieee754_atan2f_#t~ret37, __ieee754_atan2f_#t~ret38, __ieee754_atan2f_#t~switch39, __ieee754_atan2f_#t~mem40, __ieee754_atan2f_~#gf_u~4.base, __ieee754_atan2f_~#gf_u~4.offset, __ieee754_atan2f_#t~mem41, __ieee754_atan2f_~#sf_u~1.base, __ieee754_atan2f_~#sf_u~1.offset, __ieee754_atan2f_~zh~0, __ieee754_atan2f_~y, __ieee754_atan2f_~x, __ieee754_atan2f_~z~1, __ieee754_atan2f_~k~0, __ieee754_atan2f_~m~0, __ieee754_atan2f_~hx~1, __ieee754_atan2f_~hy~0, __ieee754_atan2f_~ix~2, __ieee754_atan2f_~iy~0;__ieee754_atan2f_~y := __ieee754_atan2f_#in~y;__ieee754_atan2f_~x := __ieee754_atan2f_#in~x;havoc __ieee754_atan2f_~z~1;havoc __ieee754_atan2f_~k~0;havoc __ieee754_atan2f_~m~0;havoc __ieee754_atan2f_~hx~1;havoc __ieee754_atan2f_~hy~0;havoc __ieee754_atan2f_~ix~2;havoc __ieee754_atan2f_~iy~0; {1517#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13))))))} is VALID [2021-09-13 13:15:42,948 INFO L281 TraceCheckUtils]: 5: Hoare triple {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} main_#t~ret44 := isfinite_float_#res; {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} is VALID [2021-09-13 13:15:42,949 INFO L281 TraceCheckUtils]: 4: Hoare triple {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} isfinite_float_~ix~3 := ~bvand32(2147483647bv32, isfinite_float_~ix~3);isfinite_float_#res := (if ~bvslt32(isfinite_float_~ix~3, 2139095040bv32) then 1bv32 else 0bv32); {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} is VALID [2021-09-13 13:15:42,949 INFO L281 TraceCheckUtils]: 3: Hoare triple {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} goto; {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} is VALID [2021-09-13 13:15:42,950 INFO L281 TraceCheckUtils]: 2: Hoare triple {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} call isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isfinite_float_~x, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, 4bv32);call isfinite_float_#t~mem42 := read~intINTTYPE4(isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, 4bv32);isfinite_float_~ix~3 := isfinite_float_#t~mem42;havoc isfinite_float_#t~mem42;call ULTIMATE.dealloc(isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset);havoc isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset; {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} is VALID [2021-09-13 13:15:42,952 INFO L281 TraceCheckUtils]: 1: Hoare triple {1410#true} havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_#t~ret45, main_~res~0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet43;havoc main_#t~nondet43;main_~y~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());isfinite_float_#in~x := main_~x~0;havoc isfinite_float_#res;havoc isfinite_float_#t~mem42, isfinite_float_~#gf_u~5.base, isfinite_float_~#gf_u~5.offset, isfinite_float_~x, isfinite_float_~ix~3;isfinite_float_~x := isfinite_float_#in~x;havoc isfinite_float_~ix~3; {1530#(forall ((v_ULTIMATE.start___ieee754_atan2f_~hy~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_main_~y~0 (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13)))) (not (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~hy~0_13) (_ bv0 32)))))} is VALID [2021-09-13 13:15:42,952 INFO L281 TraceCheckUtils]: 0: Hoare triple {1410#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string4.base, #t~string4.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string4.base, ~bvadd32(1bv32, #t~string4.offset), 1bv32);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(21bv32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12bv32);call ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.46364760399)), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539812565)), ~#atanhi_atan~0.base, ~bvadd32(4bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.98279368877)), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513)), ~#atanhi_atan~0.base, ~bvadd32(12bv32, ~#atanhi_atan~0.offset), 4bv32);call ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 5.012158244E-9)), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.7748947079E-8)), ~#atanlo_atan~0.base, ~bvadd32(4bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.447321717E-8)), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8)), ~#atanlo_atan~0.base, ~bvadd32(12bv32, ~#atanlo_atan~0.offset), 4bv32);call ~#aT_atan~0.base, ~#aT_atan~0.offset := #Ultimate.allocOnStack(44bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327)), ~#aT_atan~0.base, ~#aT_atan~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.20000000298))), ~#aT_atan~0.base, ~bvadd32(4bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.14285714924)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110449))), ~#aT_atan~0.base, ~bvadd32(12bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.090908870101)), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.076918758452))), ~#aT_atan~0.base, ~bvadd32(20bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.066610731184)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335702866))), ~#aT_atan~0.base, ~bvadd32(28bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.049768779427)), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531571299))), ~#aT_atan~0.base, ~bvadd32(36bv32, ~#aT_atan~0.offset), 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.016285819933)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 4bv32);~one_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_atan~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pi_o_4~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.78539818525));~pi_o_2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707963705));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.141592741));~tiny_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~zero_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~pi_lo_atan2~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 8.7422776573E-8))); {1410#true} is VALID [2021-09-13 13:15:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:15:42,952 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-09-13 13:15:42,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261769261] [2021-09-13 13:15:42,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1261769261] provided 2 perfect and 0 imperfect interpolant sequences [2021-09-13 13:15:42,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:15:42,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-09-13 13:15:42,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640332270] [2021-09-13 13:15:42,953 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-09-13 13:15:42,953 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:15:42,953 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:43,027 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:15:43,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-09-13 13:15:43,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-09-13 13:15:43,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-09-13 13:15:43,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-09-13 13:15:43,028 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-13 13:15:49,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:51,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:58,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:01,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:03,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:05,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:07,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:14,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:18,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:25,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:28,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:30,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:36,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:44,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:46,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:48,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:53,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:55,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:02,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:05,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:07,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:10,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:15,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:17,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:17,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-09-13 13:17:17,524 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 983.82ms TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-09-13 13:17:17,524 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 67 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63568.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.34ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 734 IncrementalHoareTripleChecker+Unchecked, 64170.05ms IncrementalHoareTripleChecker+Time [2021-09-13 13:17:17,525 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 0 Invalid, 1214 Unknown, 0 Unchecked, 11.34ms Time], IncrementalHoareTripleChecker [2 Valid, 467 Invalid, 11 Unknown, 734 Unchecked, 64170.05ms Time] [2021-09-13 13:17:17,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-09-13 13:17:17,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-09-13 13:17:17,726 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@592de6ce at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:182) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:91) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.reviewInductiveInternal(ChainingHoareTripleChecker.java:318) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:290) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:863) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:779) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-09-13 13:17:17,729 INFO L158 Benchmark]: Toolchain (without parser) took 217248.60ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 50.0MB in the beginning and 44.6MB in the end (delta: 5.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-09-13 13:17:17,729 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-09-13 13:17:17,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.65ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 47.7MB in the end (delta: 2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-09-13 13:17:17,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.58ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 42.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-09-13 13:17:17,730 INFO L158 Benchmark]: Boogie Preprocessor took 69.04ms. Allocated memory is still 69.2MB. Free memory was 42.5MB in the beginning and 38.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-09-13 13:17:17,730 INFO L158 Benchmark]: RCFGBuilder took 534.05ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 38.0MB in the beginning and 41.3MB in the end (delta: -3.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-09-13 13:17:17,730 INFO L158 Benchmark]: TraceAbstraction took 216266.49ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 44.6MB in the end (delta: -3.7MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-09-13 13:17:17,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.65ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 47.7MB in the end (delta: 2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.58ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 42.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.04ms. Allocated memory is still 69.2MB. Free memory was 42.5MB in the beginning and 38.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 534.05ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 38.0MB in the beginning and 41.3MB in the end (delta: -3.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 216266.49ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 44.6MB in the end (delta: -3.7MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@592de6ce de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@592de6ce: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-09-13 13:17:17,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...