./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0460.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:44:54,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:44:54,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:44:54,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:44:54,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:44:54,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:44:54,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:44:54,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:44:54,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:44:54,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:44:54,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:44:54,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:44:54,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:44:54,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:44:54,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:44:54,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:44:54,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:44:54,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:44:54,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:44:54,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:44:54,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:44:54,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:44:54,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:44:54,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:44:54,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:44:54,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:44:54,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:44:54,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:44:54,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:44:54,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:44:54,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:44:54,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:44:54,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:44:54,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:44:54,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:44:54,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:44:54,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:44:54,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:44:54,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:44:54,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:44:54,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:44:54,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:44:54,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:44:54,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:44:54,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:44:54,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:44:54,525 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:44:54,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:44:54,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:44:54,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:44:54,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:44:54,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:44:54,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:44:54,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:44:54,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:44:54,529 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:44:54,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:44:54,530 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:44:54,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:44:54,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:44:54,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:44:54,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:44:54,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:44:54,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:44:54,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:44:54,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:44:54,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:44:54,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:44:54,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:44:54,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:44:54,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:44:54,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc [2020-07-28 17:44:54,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:44:54,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:44:54,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:44:54,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:44:54,899 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:44:54,899 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2020-07-28 17:44:54,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15561359c/6b535dd3f67b401baece950c548ba226/FLAG2b3e55ccd [2020-07-28 17:44:55,395 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:44:55,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2020-07-28 17:44:55,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15561359c/6b535dd3f67b401baece950c548ba226/FLAG2b3e55ccd [2020-07-28 17:44:55,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15561359c/6b535dd3f67b401baece950c548ba226 [2020-07-28 17:44:55,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:44:55,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:44:55,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:55,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:44:55,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:44:55,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:44:55" (1/1) ... [2020-07-28 17:44:55,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fe9bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:55, skipping insertion in model container [2020-07-28 17:44:55,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:44:55" (1/1) ... [2020-07-28 17:44:55,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:44:55,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:44:56,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:56,136 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:44:56,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:44:56,301 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:44:56,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56 WrapperNode [2020-07-28 17:44:56,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:44:56,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:56,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:44:56,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:44:56,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:44:56,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:44:56,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:44:56,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:44:56,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... [2020-07-28 17:44:56,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:44:56,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:44:56,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:44:56,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:44:56,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:44:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:44:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:44:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:44:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:44:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:44:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:44:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:44:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:44:57,421 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:44:57,421 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-07-28 17:44:57,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:57 BoogieIcfgContainer [2020-07-28 17:44:57,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:44:57,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:44:57,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:44:57,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:44:57,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:44:55" (1/3) ... [2020-07-28 17:44:57,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6c44bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:57, skipping insertion in model container [2020-07-28 17:44:57,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:44:56" (2/3) ... [2020-07-28 17:44:57,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6c44bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:44:57, skipping insertion in model container [2020-07-28 17:44:57,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:57" (3/3) ... [2020-07-28 17:44:57,437 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2020-07-28 17:44:57,448 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:44:57,457 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:44:57,472 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:44:57,505 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:44:57,505 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:44:57,506 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:44:57,506 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:44:57,506 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:44:57,507 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:44:57,507 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:44:57,507 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:44:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-07-28 17:44:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:44:57,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:57,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:57,538 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:57,543 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2020-07-28 17:44:57,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:44:57,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769973526] [2020-07-28 17:44:57,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:44:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:44:57,695 INFO L280 TraceCheckUtils]: 0: Hoare triple {77#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30;~one_acos~0 := 1.0;~pi~0 := 3.1415925026;~pio2_hi_acos~0 := 1.5707962513;~pio2_lo_acos~0 := 7.5497894159E-8;~pS0_acos~0 := 0.16666667163;~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.32556581497);~pS2_acos~0 := 0.20121252537;~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.040055535734);~pS4_acos~0 := 7.9153501429E-4;~pS5_acos~0 := 3.4793309169E-5;~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.4033949375);~qS2_acos~0 := 2.0209457874;~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.68828397989);~qS4_acos~0 := 0.077038154006; {77#true} is VALID [2020-07-28 17:44:57,696 INFO L280 TraceCheckUtils]: 1: Hoare triple {77#true} havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_#t~ret15, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13; {77#true} is VALID [2020-07-28 17:44:57,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {77#true} assume ~someBinaryFLOATComparisonOperation(main_~x~0, ~someUnaryFLOAToperation(1.0)) || ~someBinaryFLOATComparisonOperation(main_~x~0, 1.0);__ieee754_acosf_#in~x := main_~x~0;havoc __ieee754_acosf_#res;havoc __ieee754_acosf_#t~mem5, __ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, __ieee754_acosf_#t~ret7, __ieee754_acosf_#t~ret8, __ieee754_acosf_#t~mem9, __ieee754_acosf_#t~union10, __ieee754_acosf_~#gf_u~2.base, __ieee754_acosf_~#gf_u~2.offset, __ieee754_acosf_#t~mem11, __ieee754_acosf_#t~union12, __ieee754_acosf_~#sf_u~1.base, __ieee754_acosf_~#sf_u~1.offset, __ieee754_acosf_~idf~0, __ieee754_acosf_~x, __ieee754_acosf_~z~1, __ieee754_acosf_~p~0, __ieee754_acosf_~q~1, __ieee754_acosf_~r~1, __ieee754_acosf_~w~0, __ieee754_acosf_~s~1, __ieee754_acosf_~c~0, __ieee754_acosf_~df~0, __ieee754_acosf_~hx~1, __ieee754_acosf_~ix~1;__ieee754_acosf_~x := __ieee754_acosf_#in~x;havoc __ieee754_acosf_~z~1;havoc __ieee754_acosf_~p~0;havoc __ieee754_acosf_~q~1;havoc __ieee754_acosf_~r~1;havoc __ieee754_acosf_~w~0;havoc __ieee754_acosf_~s~1;havoc __ieee754_acosf_~c~0;havoc __ieee754_acosf_~df~0;havoc __ieee754_acosf_~hx~1;havoc __ieee754_acosf_~ix~1; {77#true} is VALID [2020-07-28 17:44:57,699 INFO L280 TraceCheckUtils]: 3: Hoare triple {77#true} assume !true; {78#false} is VALID [2020-07-28 17:44:57,699 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#false} __ieee754_acosf_~ix~1 := ~bitwiseAnd(__ieee754_acosf_~hx~1, 2147483647); {78#false} is VALID [2020-07-28 17:44:57,700 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#false} assume 1065353216 == __ieee754_acosf_~ix~1; {78#false} is VALID [2020-07-28 17:44:57,700 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#false} assume __ieee754_acosf_~hx~1 > 0;__ieee754_acosf_#res := 0.0; {78#false} is VALID [2020-07-28 17:44:57,701 INFO L280 TraceCheckUtils]: 7: Hoare triple {78#false} main_#t~ret14 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret14;havoc main_#t~ret14;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); {78#false} is VALID [2020-07-28 17:44:57,701 INFO L280 TraceCheckUtils]: 8: Hoare triple {78#false} main_#t~ret15 := isnan_float_#res;assume -2147483648 <= main_#t~ret15 && main_#t~ret15 <= 2147483647; {78#false} is VALID [2020-07-28 17:44:57,701 INFO L280 TraceCheckUtils]: 9: Hoare triple {78#false} assume 0 == main_#t~ret15;havoc main_#t~ret15; {78#false} is VALID [2020-07-28 17:44:57,702 INFO L280 TraceCheckUtils]: 10: Hoare triple {78#false} assume !false; {78#false} is VALID [2020-07-28 17:44:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:44:57,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769973526] [2020-07-28 17:44:57,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:44:57,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:44:57,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439113462] [2020-07-28 17:44:57,715 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:44:57,717 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:44:57,721 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:44:57,748 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:57,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:44:57,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:44:57,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:44:57,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:44:57,762 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-07-28 17:44:57,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:57,929 INFO L93 Difference]: Finished difference Result 145 states and 238 transitions. [2020-07-28 17:44:57,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:44:57,930 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:44:57,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:44:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 238 transitions. [2020-07-28 17:44:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:44:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 238 transitions. [2020-07-28 17:44:57,966 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 238 transitions. [2020-07-28 17:44:58,320 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 238 edges. 238 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:44:58,336 INFO L225 Difference]: With dead ends: 145 [2020-07-28 17:44:58,337 INFO L226 Difference]: Without dead ends: 70 [2020-07-28 17:44:58,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:44:58,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-28 17:44:58,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-28 17:44:58,393 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:44:58,394 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-28 17:44:58,394 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-28 17:44:58,394 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-28 17:44:58,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:58,401 INFO L93 Difference]: Finished difference Result 70 states and 97 transitions. [2020-07-28 17:44:58,402 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-07-28 17:44:58,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:58,403 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:58,403 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-28 17:44:58,404 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-28 17:44:58,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:44:58,410 INFO L93 Difference]: Finished difference Result 70 states and 97 transitions. [2020-07-28 17:44:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-07-28 17:44:58,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:44:58,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:44:58,412 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:44:58,413 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:44:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-28 17:44:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2020-07-28 17:44:58,419 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2020-07-28 17:44:58,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:44:58,420 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2020-07-28 17:44:58,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:44:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-07-28 17:44:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:44:58,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:44:58,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:44:58,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:44:58,423 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:44:58,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:44:58,423 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2020-07-28 17:44:58,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:44:58,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390454202] [2020-07-28 17:44:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:44:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:44:58,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:44:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:44:58,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:44:58,555 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:44:58,556 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:44:58,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:44:58,607 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:44:58,608 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:44:58,608 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:44:58,608 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:44:58,609 WARN L170 areAnnotationChecker]: L96-2 has no Hoare annotation [2020-07-28 17:44:58,609 WARN L170 areAnnotationChecker]: L96-2 has no Hoare annotation [2020-07-28 17:44:58,609 WARN L170 areAnnotationChecker]: L171-2 has no Hoare annotation [2020-07-28 17:44:58,609 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:44:58,610 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:44:58,610 WARN L170 areAnnotationChecker]: L96-3 has no Hoare annotation [2020-07-28 17:44:58,610 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-28 17:44:58,610 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:44:58,611 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:44:58,611 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:44:58,611 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 17:44:58,612 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 17:44:58,612 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:44:58,612 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:44:58,612 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 17:44:58,613 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:44:58,613 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:44:58,613 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-28 17:44:58,613 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:44:58,614 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:44:58,614 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:44:58,614 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:44:58,614 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 17:44:58,615 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 17:44:58,615 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-28 17:44:58,615 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-28 17:44:58,616 WARN L170 areAnnotationChecker]: L22-6 has no Hoare annotation [2020-07-28 17:44:58,616 WARN L170 areAnnotationChecker]: L22-6 has no Hoare annotation [2020-07-28 17:44:58,616 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 17:44:58,616 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 17:44:58,616 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:44:58,617 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:44:58,617 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:44:58,617 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:44:58,617 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:44:58,618 WARN L170 areAnnotationChecker]: L22-7 has no Hoare annotation [2020-07-28 17:44:58,618 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:44:58,618 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:44:58,618 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-28 17:44:58,619 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-28 17:44:58,619 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-28 17:44:58,619 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:44:58,619 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:44:58,620 WARN L170 areAnnotationChecker]: L81-1 has no Hoare annotation [2020-07-28 17:44:58,620 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-28 17:44:58,620 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-28 17:44:58,620 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:44:58,620 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:44:58,621 WARN L170 areAnnotationChecker]: L139-2 has no Hoare annotation [2020-07-28 17:44:58,621 WARN L170 areAnnotationChecker]: L139-2 has no Hoare annotation [2020-07-28 17:44:58,621 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-28 17:44:58,621 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-28 17:44:58,622 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:44:58,622 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:44:58,622 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:44:58,622 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:44:58,623 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:44:58,623 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:44:58,623 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:44:58,623 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:44:58,623 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:44:58,624 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:44:58,624 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:44:58,624 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-28 17:44:58,624 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 17:44:58,625 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 17:44:58,625 WARN L170 areAnnotationChecker]: L144-2 has no Hoare annotation [2020-07-28 17:44:58,625 WARN L170 areAnnotationChecker]: L39-8 has no Hoare annotation [2020-07-28 17:44:58,625 WARN L170 areAnnotationChecker]: L39-8 has no Hoare annotation [2020-07-28 17:44:58,626 WARN L170 areAnnotationChecker]: L39-8 has no Hoare annotation [2020-07-28 17:44:58,626 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-28 17:44:58,626 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:44:58,626 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:44:58,626 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:44:58,627 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:44:58,627 WARN L170 areAnnotationChecker]: L39-9 has no Hoare annotation [2020-07-28 17:44:58,627 WARN L170 areAnnotationChecker]: L39-7 has no Hoare annotation [2020-07-28 17:44:58,627 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-28 17:44:58,628 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-28 17:44:58,628 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-28 17:44:58,628 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-28 17:44:58,628 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:44:58,629 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:44:58,629 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:44:58,629 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 17:44:58,629 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 17:44:58,630 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 17:44:58,630 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:44:58,630 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:44:58,630 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:44:58,631 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:44:58,631 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:44:58,631 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:44:58,631 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:44:58,631 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:44:58,632 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:44:58,632 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:44:58,632 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:44:58,632 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:44:58,633 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:44:58,633 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:44:58,633 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 17:44:58,633 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 17:44:58,634 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:44:58,634 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:44:58,634 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-28 17:44:58,634 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-28 17:44:58,634 WARN L170 areAnnotationChecker]: L68-3 has no Hoare annotation [2020-07-28 17:44:58,635 WARN L170 areAnnotationChecker]: L68-3 has no Hoare annotation [2020-07-28 17:44:58,635 WARN L170 areAnnotationChecker]: L76-6 has no Hoare annotation [2020-07-28 17:44:58,635 WARN L170 areAnnotationChecker]: L76-6 has no Hoare annotation [2020-07-28 17:44:58,635 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:44:58,636 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:44:58,636 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:44:58,636 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:44:58,636 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:44:58,637 WARN L170 areAnnotationChecker]: L76-7 has no Hoare annotation [2020-07-28 17:44:58,637 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. [2020-07-28 17:44:58,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:44:58 BoogieIcfgContainer [2020-07-28 17:44:58,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:44:58,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:44:58,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:44:58,642 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:44:58,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:44:57" (3/4) ... [2020-07-28 17:44:58,647 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:44:58,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:44:58,651 INFO L168 Benchmark]: Toolchain (without parser) took 2888.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 957.6 MB in the beginning and 925.1 MB in the end (delta: 32.4 MB). Peak memory consumption was 149.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:58,652 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:58,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:58,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:58,654 INFO L168 Benchmark]: Boogie Preprocessor took 50.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:58,655 INFO L168 Benchmark]: RCFGBuilder took 970.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:58,656 INFO L168 Benchmark]: TraceAbstraction took 1212.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 925.1 MB in the end (delta: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:44:58,657 INFO L168 Benchmark]: Witness Printer took 6.21 ms. Allocated memory is still 1.1 GB. Free memory is still 925.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:44:58,661 INFO L336 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 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 538.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 970.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1212.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 925.1 MB in the end (delta: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.21 ms. Allocated memory is still 1.1 GB. Free memory is still 925.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 177]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of bitwiseAnd at line 101. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L84-L91] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L169] float x = __VERIFIER_nondet_float(); [L171] COND TRUE x < -1.0f || x > 1.0f [L94] float z, p, q, r, w, s, c, df; [L95] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L97] ieee_float_shape_type gf_u; [L98] gf_u.value = (x) [L99] EXPR gf_u.word [L99] (hx) = gf_u.word [L101] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L102] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L103] COND TRUE hx > 0 [L104] return 0.0; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L173] float res = __ieee754_acosf(x); [L13] return x != x; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L176] COND TRUE !isnan_float(res) [L177] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 102 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:45:00,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:45:00,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:45:00,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:45:00,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:45:00,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:45:00,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:45:00,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:45:00,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:45:00,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:45:00,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:45:00,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:45:00,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:45:00,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:45:00,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:45:00,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:45:00,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:45:00,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:45:00,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:45:00,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:45:00,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:45:00,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:45:00,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:45:00,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:45:00,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:45:00,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:45:00,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:45:00,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:45:00,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:45:00,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:45:00,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:45:00,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:45:00,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:45:00,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:45:00,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:45:00,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:45:00,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:45:00,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:45:00,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:45:00,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:45:00,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:45:00,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:45:00,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:45:00,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:45:00,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:45:00,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:45:00,777 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:45:00,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:45:00,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:45:00,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:45:00,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:45:00,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:45:00,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:45:00,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:45:00,779 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:45:00,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:45:00,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:45:00,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:45:00,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:45:00,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:45:00,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:45:00,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:45:00,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:45:00,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:45:00,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:45:00,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:45:00,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:45:00,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:45:00,783 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:45:00,783 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:45:00,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:45:00,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:45:00,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:45:00,785 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc [2020-07-28 17:45:01,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:45:01,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:45:01,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:45:01,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:45:01,106 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:45:01,107 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2020-07-28 17:45:01,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd89b9dce/1e86867f1b1f4fc3a7d98cd5b7157b36/FLAGe628b57d5 [2020-07-28 17:45:01,681 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:45:01,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2020-07-28 17:45:01,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd89b9dce/1e86867f1b1f4fc3a7d98cd5b7157b36/FLAGe628b57d5 [2020-07-28 17:45:02,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd89b9dce/1e86867f1b1f4fc3a7d98cd5b7157b36 [2020-07-28 17:45:02,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:45:02,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:45:02,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:45:02,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:45:02,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:45:02,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416366ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02, skipping insertion in model container [2020-07-28 17:45:02,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:45:02,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:45:02,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:45:02,402 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:45:02,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:45:02,553 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:45:02,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02 WrapperNode [2020-07-28 17:45:02,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:45:02,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:45:02,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:45:02,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:45:02,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:45:02,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:45:02,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:45:02,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:45:02,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... [2020-07-28 17:45:02,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:45:02,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:45:02,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:45:02,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:45:02,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:45:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:45:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:45:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:45:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:45:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:45:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:45:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:45:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:45:14,564 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:45:14,564 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-07-28 17:45:14,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:14 BoogieIcfgContainer [2020-07-28 17:45:14,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:45:14,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:45:14,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:45:14,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:45:14,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:45:02" (1/3) ... [2020-07-28 17:45:14,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf8c4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:45:14, skipping insertion in model container [2020-07-28 17:45:14,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:02" (2/3) ... [2020-07-28 17:45:14,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf8c4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:45:14, skipping insertion in model container [2020-07-28 17:45:14,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:14" (3/3) ... [2020-07-28 17:45:14,580 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2020-07-28 17:45:14,592 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:45:14,600 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:45:14,615 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:45:14,642 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:45:14,642 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:45:14,643 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:45:14,643 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:45:14,643 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:45:14,644 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:45:14,644 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:45:14,644 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:45:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-07-28 17:45:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:45:14,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:45:14,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:45:14,672 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:45:14,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:45:14,679 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2020-07-28 17:45:14,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:45:14,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073622915] [2020-07-28 17:45:14,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:45:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:15,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:45:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:15,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:45:15,272 INFO L280 TraceCheckUtils]: 0: Hoare triple {77#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.1415925026));~pio2_hi_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513));~pio2_lo_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8));~pS0_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {77#true} is VALID [2020-07-28 17:45:15,273 INFO L280 TraceCheckUtils]: 1: Hoare triple {77#true} havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_#t~ret15, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13; {77#true} is VALID [2020-07-28 17:45:15,274 INFO L280 TraceCheckUtils]: 2: Hoare triple {77#true} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0))) || ~fp.gt~FLOAT(main_~x~0, ~to_fp~FLOAT(currentRoundingMode, 1.0));__ieee754_acosf_#in~x := main_~x~0;havoc __ieee754_acosf_#res;havoc __ieee754_acosf_#t~mem5, __ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, __ieee754_acosf_#t~ret7, __ieee754_acosf_#t~ret8, __ieee754_acosf_#t~mem9, __ieee754_acosf_#t~union10, __ieee754_acosf_~#gf_u~2.base, __ieee754_acosf_~#gf_u~2.offset, __ieee754_acosf_#t~mem11, __ieee754_acosf_#t~union12, __ieee754_acosf_~#sf_u~1.base, __ieee754_acosf_~#sf_u~1.offset, __ieee754_acosf_~idf~0, __ieee754_acosf_~x, __ieee754_acosf_~z~1, __ieee754_acosf_~p~0, __ieee754_acosf_~q~1, __ieee754_acosf_~r~1, __ieee754_acosf_~w~0, __ieee754_acosf_~s~1, __ieee754_acosf_~c~0, __ieee754_acosf_~df~0, __ieee754_acosf_~hx~1, __ieee754_acosf_~ix~1;__ieee754_acosf_~x := __ieee754_acosf_#in~x;havoc __ieee754_acosf_~z~1;havoc __ieee754_acosf_~p~0;havoc __ieee754_acosf_~q~1;havoc __ieee754_acosf_~r~1;havoc __ieee754_acosf_~w~0;havoc __ieee754_acosf_~s~1;havoc __ieee754_acosf_~c~0;havoc __ieee754_acosf_~df~0;havoc __ieee754_acosf_~hx~1;havoc __ieee754_acosf_~ix~1; {77#true} is VALID [2020-07-28 17:45:15,276 INFO L280 TraceCheckUtils]: 3: Hoare triple {77#true} assume !true; {78#false} is VALID [2020-07-28 17:45:15,276 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#false} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {78#false} is VALID [2020-07-28 17:45:15,277 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#false} assume 1065353216bv32 == __ieee754_acosf_~ix~1; {78#false} is VALID [2020-07-28 17:45:15,277 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#false} assume ~bvsgt32(__ieee754_acosf_~hx~1, 0bv32);__ieee754_acosf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {78#false} is VALID [2020-07-28 17:45:15,278 INFO L280 TraceCheckUtils]: 7: Hoare triple {78#false} main_#t~ret14 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret14;havoc main_#t~ret14;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {78#false} is VALID [2020-07-28 17:45:15,279 INFO L280 TraceCheckUtils]: 8: Hoare triple {78#false} main_#t~ret15 := isnan_float_#res; {78#false} is VALID [2020-07-28 17:45:15,279 INFO L280 TraceCheckUtils]: 9: Hoare triple {78#false} assume 0bv32 == main_#t~ret15;havoc main_#t~ret15; {78#false} is VALID [2020-07-28 17:45:15,279 INFO L280 TraceCheckUtils]: 10: Hoare triple {78#false} assume !false; {78#false} is VALID [2020-07-28 17:45:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:45:15,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:45:15,315 INFO L280 TraceCheckUtils]: 10: Hoare triple {78#false} assume !false; {78#false} is VALID [2020-07-28 17:45:15,318 INFO L280 TraceCheckUtils]: 9: Hoare triple {78#false} assume 0bv32 == main_#t~ret15;havoc main_#t~ret15; {78#false} is VALID [2020-07-28 17:45:15,318 INFO L280 TraceCheckUtils]: 8: Hoare triple {78#false} main_#t~ret15 := isnan_float_#res; {78#false} is VALID [2020-07-28 17:45:15,319 INFO L280 TraceCheckUtils]: 7: Hoare triple {78#false} main_#t~ret14 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret14;havoc main_#t~ret14;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {78#false} is VALID [2020-07-28 17:45:15,319 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#false} assume ~bvsgt32(__ieee754_acosf_~hx~1, 0bv32);__ieee754_acosf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {78#false} is VALID [2020-07-28 17:45:15,319 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#false} assume 1065353216bv32 == __ieee754_acosf_~ix~1; {78#false} is VALID [2020-07-28 17:45:15,320 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#false} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {78#false} is VALID [2020-07-28 17:45:15,323 INFO L280 TraceCheckUtils]: 3: Hoare triple {77#true} assume !true; {78#false} is VALID [2020-07-28 17:45:15,323 INFO L280 TraceCheckUtils]: 2: Hoare triple {77#true} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0))) || ~fp.gt~FLOAT(main_~x~0, ~to_fp~FLOAT(currentRoundingMode, 1.0));__ieee754_acosf_#in~x := main_~x~0;havoc __ieee754_acosf_#res;havoc __ieee754_acosf_#t~mem5, __ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, __ieee754_acosf_#t~ret7, __ieee754_acosf_#t~ret8, __ieee754_acosf_#t~mem9, __ieee754_acosf_#t~union10, __ieee754_acosf_~#gf_u~2.base, __ieee754_acosf_~#gf_u~2.offset, __ieee754_acosf_#t~mem11, __ieee754_acosf_#t~union12, __ieee754_acosf_~#sf_u~1.base, __ieee754_acosf_~#sf_u~1.offset, __ieee754_acosf_~idf~0, __ieee754_acosf_~x, __ieee754_acosf_~z~1, __ieee754_acosf_~p~0, __ieee754_acosf_~q~1, __ieee754_acosf_~r~1, __ieee754_acosf_~w~0, __ieee754_acosf_~s~1, __ieee754_acosf_~c~0, __ieee754_acosf_~df~0, __ieee754_acosf_~hx~1, __ieee754_acosf_~ix~1;__ieee754_acosf_~x := __ieee754_acosf_#in~x;havoc __ieee754_acosf_~z~1;havoc __ieee754_acosf_~p~0;havoc __ieee754_acosf_~q~1;havoc __ieee754_acosf_~r~1;havoc __ieee754_acosf_~w~0;havoc __ieee754_acosf_~s~1;havoc __ieee754_acosf_~c~0;havoc __ieee754_acosf_~df~0;havoc __ieee754_acosf_~hx~1;havoc __ieee754_acosf_~ix~1; {77#true} is VALID [2020-07-28 17:45:15,324 INFO L280 TraceCheckUtils]: 1: Hoare triple {77#true} havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_#t~ret15, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13; {77#true} is VALID [2020-07-28 17:45:15,324 INFO L280 TraceCheckUtils]: 0: Hoare triple {77#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.1415925026));~pio2_hi_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513));~pio2_lo_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8));~pS0_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {77#true} is VALID [2020-07-28 17:45:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:45:15,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073622915] [2020-07-28 17:45:15,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:45:15,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:45:15,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570528761] [2020-07-28 17:45:15,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:45:15,341 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:45:15,346 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:45:15,394 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:45:15,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:45:15,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:45:15,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:45:15,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:45:15,411 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-07-28 17:45:26,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:26,534 INFO L93 Difference]: Finished difference Result 145 states and 238 transitions. [2020-07-28 17:45:26,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:45:26,535 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:45:26,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:45:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:45:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 238 transitions. [2020-07-28 17:45:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:45:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 238 transitions. [2020-07-28 17:45:26,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 238 transitions. [2020-07-28 17:45:33,255 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 238 edges. 238 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:45:33,269 INFO L225 Difference]: With dead ends: 145 [2020-07-28 17:45:33,269 INFO L226 Difference]: Without dead ends: 70 [2020-07-28 17:45:33,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:45:33,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-28 17:45:33,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-28 17:45:33,315 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:45:33,316 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-28 17:45:33,316 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-28 17:45:33,317 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-28 17:45:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:33,324 INFO L93 Difference]: Finished difference Result 70 states and 97 transitions. [2020-07-28 17:45:33,324 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-07-28 17:45:33,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:45:33,325 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:45:33,326 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-28 17:45:33,326 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-28 17:45:33,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:33,332 INFO L93 Difference]: Finished difference Result 70 states and 97 transitions. [2020-07-28 17:45:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-07-28 17:45:33,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:45:33,334 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:45:33,334 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:45:33,335 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:45:33,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-28 17:45:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2020-07-28 17:45:33,341 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2020-07-28 17:45:33,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:45:33,342 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2020-07-28 17:45:33,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:45:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-07-28 17:45:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:45:33,343 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:45:33,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:45:33,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:45:33,558 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:45:33,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:45:33,559 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2020-07-28 17:45:33,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:45:33,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338345701] [2020-07-28 17:45:33,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-07-28 17:45:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:34,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:45:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:34,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:45:34,220 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:45:36,413 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 22 DAG size of output: 15 [2020-07-28 17:45:36,433 INFO L280 TraceCheckUtils]: 0: Hoare triple {540#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.1415925026));~pio2_hi_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513));~pio2_lo_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8));~pS0_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {540#true} is VALID [2020-07-28 17:45:36,433 INFO L280 TraceCheckUtils]: 1: Hoare triple {540#true} havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_#t~ret15, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13; {540#true} is VALID [2020-07-28 17:45:36,436 INFO L280 TraceCheckUtils]: 2: Hoare triple {540#true} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0))) || ~fp.gt~FLOAT(main_~x~0, ~to_fp~FLOAT(currentRoundingMode, 1.0));__ieee754_acosf_#in~x := main_~x~0;havoc __ieee754_acosf_#res;havoc __ieee754_acosf_#t~mem5, __ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, __ieee754_acosf_#t~ret7, __ieee754_acosf_#t~ret8, __ieee754_acosf_#t~mem9, __ieee754_acosf_#t~union10, __ieee754_acosf_~#gf_u~2.base, __ieee754_acosf_~#gf_u~2.offset, __ieee754_acosf_#t~mem11, __ieee754_acosf_#t~union12, __ieee754_acosf_~#sf_u~1.base, __ieee754_acosf_~#sf_u~1.offset, __ieee754_acosf_~idf~0, __ieee754_acosf_~x, __ieee754_acosf_~z~1, __ieee754_acosf_~p~0, __ieee754_acosf_~q~1, __ieee754_acosf_~r~1, __ieee754_acosf_~w~0, __ieee754_acosf_~s~1, __ieee754_acosf_~c~0, __ieee754_acosf_~df~0, __ieee754_acosf_~hx~1, __ieee754_acosf_~ix~1;__ieee754_acosf_~x := __ieee754_acosf_#in~x;havoc __ieee754_acosf_~z~1;havoc __ieee754_acosf_~p~0;havoc __ieee754_acosf_~q~1;havoc __ieee754_acosf_~r~1;havoc __ieee754_acosf_~w~0;havoc __ieee754_acosf_~s~1;havoc __ieee754_acosf_~c~0;havoc __ieee754_acosf_~df~0;havoc __ieee754_acosf_~hx~1;havoc __ieee754_acosf_~ix~1; {551#(or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) v_prenex_5 1.0))))} is VALID [2020-07-28 17:45:36,447 INFO L280 TraceCheckUtils]: 3: Hoare triple {551#(or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) v_prenex_5 1.0))))} call __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_acosf_~x, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);call __ieee754_acosf_#t~mem5 := read~intINTTYPE4(__ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);__ieee754_acosf_~hx~1 := __ieee754_acosf_#t~mem5;call write~intFLOATTYPE4(__ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);havoc __ieee754_acosf_#t~mem5;havoc __ieee754_acosf_#t~union6;call ULTIMATE.dealloc(__ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset);havoc __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset; {555#(or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0))))} is VALID [2020-07-28 17:45:36,449 INFO L280 TraceCheckUtils]: 4: Hoare triple {555#(or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0))))} goto; {555#(or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0))))} is VALID [2020-07-28 17:45:36,457 INFO L280 TraceCheckUtils]: 5: Hoare triple {555#(or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0))))} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {562#(exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (v_prenex_5 RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0))))} is VALID [2020-07-28 17:45:36,459 INFO L280 TraceCheckUtils]: 6: Hoare triple {562#(exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (v_prenex_5 RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0))))} assume 1065353216bv32 == __ieee754_acosf_~ix~1; {541#false} is VALID [2020-07-28 17:45:36,460 INFO L280 TraceCheckUtils]: 7: Hoare triple {541#false} assume ~bvsgt32(__ieee754_acosf_~hx~1, 0bv32);__ieee754_acosf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {541#false} is VALID [2020-07-28 17:45:36,460 INFO L280 TraceCheckUtils]: 8: Hoare triple {541#false} main_#t~ret14 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret14;havoc main_#t~ret14;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {541#false} is VALID [2020-07-28 17:45:36,460 INFO L280 TraceCheckUtils]: 9: Hoare triple {541#false} main_#t~ret15 := isnan_float_#res; {541#false} is VALID [2020-07-28 17:45:36,461 INFO L280 TraceCheckUtils]: 10: Hoare triple {541#false} assume 0bv32 == main_#t~ret15;havoc main_#t~ret15; {541#false} is VALID [2020-07-28 17:45:36,461 INFO L280 TraceCheckUtils]: 11: Hoare triple {541#false} assume !false; {541#false} is VALID [2020-07-28 17:45:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:45:36,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:45:36,602 INFO L280 TraceCheckUtils]: 11: Hoare triple {541#false} assume !false; {541#false} is VALID [2020-07-28 17:45:36,602 INFO L280 TraceCheckUtils]: 10: Hoare triple {541#false} assume 0bv32 == main_#t~ret15;havoc main_#t~ret15; {541#false} is VALID [2020-07-28 17:45:36,603 INFO L280 TraceCheckUtils]: 9: Hoare triple {541#false} main_#t~ret15 := isnan_float_#res; {541#false} is VALID [2020-07-28 17:45:36,603 INFO L280 TraceCheckUtils]: 8: Hoare triple {541#false} main_#t~ret14 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret14;havoc main_#t~ret14;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {541#false} is VALID [2020-07-28 17:45:36,603 INFO L280 TraceCheckUtils]: 7: Hoare triple {541#false} assume ~bvsgt32(__ieee754_acosf_~hx~1, 0bv32);__ieee754_acosf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {541#false} is VALID [2020-07-28 17:45:36,605 INFO L280 TraceCheckUtils]: 6: Hoare triple {596#(not (= (_ bv1065353216 32) ULTIMATE.start___ieee754_acosf_~ix~1))} assume 1065353216bv32 == __ieee754_acosf_~ix~1; {541#false} is VALID [2020-07-28 17:45:36,606 INFO L280 TraceCheckUtils]: 5: Hoare triple {600#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {596#(not (= (_ bv1065353216 32) ULTIMATE.start___ieee754_acosf_~ix~1))} is VALID [2020-07-28 17:45:36,606 INFO L280 TraceCheckUtils]: 4: Hoare triple {600#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} goto; {600#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:45:36,611 INFO L280 TraceCheckUtils]: 3: Hoare triple {607#(forall ((v_ULTIMATE.start___ieee754_acosf_~hx~1_9 (_ BitVec 32))) (or (not (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_acosf_~hx~1_9) (_ bv3229614080 32)) (_ bv0 32))) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_acosf_~hx~1_9) ((_ extract 30 23) v_ULTIMATE.start___ieee754_acosf_~hx~1_9) ((_ extract 22 0) v_ULTIMATE.start___ieee754_acosf_~hx~1_9)) ULTIMATE.start___ieee754_acosf_~x))))} call __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_acosf_~x, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);call __ieee754_acosf_#t~mem5 := read~intINTTYPE4(__ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);__ieee754_acosf_~hx~1 := __ieee754_acosf_#t~mem5;call write~intFLOATTYPE4(__ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);havoc __ieee754_acosf_#t~mem5;havoc __ieee754_acosf_#t~union6;call ULTIMATE.dealloc(__ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset);havoc __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset; {600#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:45:36,615 INFO L280 TraceCheckUtils]: 2: Hoare triple {540#true} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0))) || ~fp.gt~FLOAT(main_~x~0, ~to_fp~FLOAT(currentRoundingMode, 1.0));__ieee754_acosf_#in~x := main_~x~0;havoc __ieee754_acosf_#res;havoc __ieee754_acosf_#t~mem5, __ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, __ieee754_acosf_#t~ret7, __ieee754_acosf_#t~ret8, __ieee754_acosf_#t~mem9, __ieee754_acosf_#t~union10, __ieee754_acosf_~#gf_u~2.base, __ieee754_acosf_~#gf_u~2.offset, __ieee754_acosf_#t~mem11, __ieee754_acosf_#t~union12, __ieee754_acosf_~#sf_u~1.base, __ieee754_acosf_~#sf_u~1.offset, __ieee754_acosf_~idf~0, __ieee754_acosf_~x, __ieee754_acosf_~z~1, __ieee754_acosf_~p~0, __ieee754_acosf_~q~1, __ieee754_acosf_~r~1, __ieee754_acosf_~w~0, __ieee754_acosf_~s~1, __ieee754_acosf_~c~0, __ieee754_acosf_~df~0, __ieee754_acosf_~hx~1, __ieee754_acosf_~ix~1;__ieee754_acosf_~x := __ieee754_acosf_#in~x;havoc __ieee754_acosf_~z~1;havoc __ieee754_acosf_~p~0;havoc __ieee754_acosf_~q~1;havoc __ieee754_acosf_~r~1;havoc __ieee754_acosf_~w~0;havoc __ieee754_acosf_~s~1;havoc __ieee754_acosf_~c~0;havoc __ieee754_acosf_~df~0;havoc __ieee754_acosf_~hx~1;havoc __ieee754_acosf_~ix~1; {607#(forall ((v_ULTIMATE.start___ieee754_acosf_~hx~1_9 (_ BitVec 32))) (or (not (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_acosf_~hx~1_9) (_ bv3229614080 32)) (_ bv0 32))) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_acosf_~hx~1_9) ((_ extract 30 23) v_ULTIMATE.start___ieee754_acosf_~hx~1_9) ((_ extract 22 0) v_ULTIMATE.start___ieee754_acosf_~hx~1_9)) ULTIMATE.start___ieee754_acosf_~x))))} is VALID [2020-07-28 17:45:36,615 INFO L280 TraceCheckUtils]: 1: Hoare triple {540#true} havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_#t~ret15, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13; {540#true} is VALID [2020-07-28 17:45:36,615 INFO L280 TraceCheckUtils]: 0: Hoare triple {540#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.1415925026));~pio2_hi_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513));~pio2_lo_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8));~pS0_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {540#true} is VALID [2020-07-28 17:45:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:45:36,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338345701] [2020-07-28 17:45:36,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:45:36,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:45:36,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646729909] [2020-07-28 17:45:36,620 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-07-28 17:45:36,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:45:36,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:45:36,680 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:45:36,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:45:36,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:45:36,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:45:36,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:45:36,682 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand 8 states. [2020-07-28 17:45:38,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:38,061 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2020-07-28 17:45:38,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:45:38,062 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-07-28 17:45:38,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:45:38,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:45:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2020-07-28 17:45:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:45:38,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2020-07-28 17:45:38,068 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 101 transitions. [2020-07-28 17:45:41,995 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:45:41,996 INFO L225 Difference]: With dead ends: 75 [2020-07-28 17:45:41,996 INFO L226 Difference]: Without dead ends: 13 [2020-07-28 17:45:41,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:45:41,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-07-28 17:45:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-07-28 17:45:42,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:45:42,009 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2020-07-28 17:45:42,009 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2020-07-28 17:45:42,009 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2020-07-28 17:45:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:42,011 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-07-28 17:45:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-07-28 17:45:42,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:45:42,012 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:45:42,012 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2020-07-28 17:45:42,012 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2020-07-28 17:45:42,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:42,013 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-07-28 17:45:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-07-28 17:45:42,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:45:42,014 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:45:42,014 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:45:42,014 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:45:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-28 17:45:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-07-28 17:45:42,016 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2020-07-28 17:45:42,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:45:42,016 INFO L479 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-07-28 17:45:42,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:45:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-07-28 17:45:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:45:42,017 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:45:42,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:45:42,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:45:42,223 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:45:42,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:45:42,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1154004402, now seen corresponding path program 1 times [2020-07-28 17:45:42,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:45:42,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957749757] [2020-07-28 17:45:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-07-28 17:45:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:42,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:45:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:43,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:45:45,149 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-07-28 17:45:47,301 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:45:49,294 INFO L280 TraceCheckUtils]: 0: Hoare triple {753#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.1415925026));~pio2_hi_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513));~pio2_lo_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8));~pS0_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {758#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:45:49,295 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_#t~ret15, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13; {758#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:45:49,295 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#(= currentRoundingMode roundNearestTiesToEven)} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0))) || ~fp.gt~FLOAT(main_~x~0, ~to_fp~FLOAT(currentRoundingMode, 1.0));__ieee754_acosf_#in~x := main_~x~0;havoc __ieee754_acosf_#res;havoc __ieee754_acosf_#t~mem5, __ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, __ieee754_acosf_#t~ret7, __ieee754_acosf_#t~ret8, __ieee754_acosf_#t~mem9, __ieee754_acosf_#t~union10, __ieee754_acosf_~#gf_u~2.base, __ieee754_acosf_~#gf_u~2.offset, __ieee754_acosf_#t~mem11, __ieee754_acosf_#t~union12, __ieee754_acosf_~#sf_u~1.base, __ieee754_acosf_~#sf_u~1.offset, __ieee754_acosf_~idf~0, __ieee754_acosf_~x, __ieee754_acosf_~z~1, __ieee754_acosf_~p~0, __ieee754_acosf_~q~1, __ieee754_acosf_~r~1, __ieee754_acosf_~w~0, __ieee754_acosf_~s~1, __ieee754_acosf_~c~0, __ieee754_acosf_~df~0, __ieee754_acosf_~hx~1, __ieee754_acosf_~ix~1;__ieee754_acosf_~x := __ieee754_acosf_#in~x;havoc __ieee754_acosf_~z~1;havoc __ieee754_acosf_~p~0;havoc __ieee754_acosf_~q~1;havoc __ieee754_acosf_~r~1;havoc __ieee754_acosf_~w~0;havoc __ieee754_acosf_~s~1;havoc __ieee754_acosf_~c~0;havoc __ieee754_acosf_~df~0;havoc __ieee754_acosf_~hx~1;havoc __ieee754_acosf_~ix~1; {758#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:45:49,296 INFO L280 TraceCheckUtils]: 3: Hoare triple {758#(= currentRoundingMode roundNearestTiesToEven)} call __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_acosf_~x, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);call __ieee754_acosf_#t~mem5 := read~intINTTYPE4(__ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);__ieee754_acosf_~hx~1 := __ieee754_acosf_#t~mem5;call write~intFLOATTYPE4(__ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);havoc __ieee754_acosf_#t~mem5;havoc __ieee754_acosf_#t~union6;call ULTIMATE.dealloc(__ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset);havoc __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset; {758#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:45:49,299 INFO L280 TraceCheckUtils]: 4: Hoare triple {758#(= currentRoundingMode roundNearestTiesToEven)} goto; {758#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:45:49,300 INFO L280 TraceCheckUtils]: 5: Hoare triple {758#(= currentRoundingMode roundNearestTiesToEven)} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {758#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:45:49,305 INFO L280 TraceCheckUtils]: 6: Hoare triple {758#(= currentRoundingMode roundNearestTiesToEven)} assume !(1065353216bv32 == __ieee754_acosf_~ix~1); {758#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:45:49,480 INFO L280 TraceCheckUtils]: 7: Hoare triple {758#(= currentRoundingMode roundNearestTiesToEven)} assume ~bvsgt32(__ieee754_acosf_~ix~1, 1065353216bv32);__ieee754_acosf_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, __ieee754_acosf_~x, __ieee754_acosf_~x), ~fp.sub~FLOAT(currentRoundingMode, __ieee754_acosf_~x, __ieee754_acosf_~x)); {780#(exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x) (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x)) |ULTIMATE.start___ieee754_acosf_#res|))} is VALID [2020-07-28 17:45:49,691 INFO L280 TraceCheckUtils]: 8: Hoare triple {780#(exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x) (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x)) |ULTIMATE.start___ieee754_acosf_#res|))} main_#t~ret14 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret14;havoc main_#t~ret14;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {784#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} is VALID [2020-07-28 17:45:49,694 INFO L280 TraceCheckUtils]: 9: Hoare triple {784#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} main_#t~ret15 := isnan_float_#res; {788#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret15|)} is VALID [2020-07-28 17:45:49,695 INFO L280 TraceCheckUtils]: 10: Hoare triple {788#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret15|)} assume 0bv32 == main_#t~ret15;havoc main_#t~ret15; {754#false} is VALID [2020-07-28 17:45:49,695 INFO L280 TraceCheckUtils]: 11: Hoare triple {754#false} assume !false; {754#false} is VALID [2020-07-28 17:45:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:45:49,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:45:51,935 INFO L280 TraceCheckUtils]: 11: Hoare triple {754#false} assume !false; {754#false} is VALID [2020-07-28 17:45:51,936 INFO L280 TraceCheckUtils]: 10: Hoare triple {798#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret15|))} assume 0bv32 == main_#t~ret15;havoc main_#t~ret15; {754#false} is VALID [2020-07-28 17:45:51,937 INFO L280 TraceCheckUtils]: 9: Hoare triple {802#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} main_#t~ret15 := isnan_float_#res; {798#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret15|))} is VALID [2020-07-28 17:45:51,941 INFO L280 TraceCheckUtils]: 8: Hoare triple {806#(not (fp.eq |ULTIMATE.start___ieee754_acosf_#res| |ULTIMATE.start___ieee754_acosf_#res|))} main_#t~ret14 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret14;havoc main_#t~ret14;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {802#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} is VALID [2020-07-28 17:45:52,115 INFO L280 TraceCheckUtils]: 7: Hoare triple {753#true} assume ~bvsgt32(__ieee754_acosf_~ix~1, 1065353216bv32);__ieee754_acosf_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, __ieee754_acosf_~x, __ieee754_acosf_~x), ~fp.sub~FLOAT(currentRoundingMode, __ieee754_acosf_~x, __ieee754_acosf_~x)); {806#(not (fp.eq |ULTIMATE.start___ieee754_acosf_#res| |ULTIMATE.start___ieee754_acosf_#res|))} is VALID [2020-07-28 17:45:52,115 INFO L280 TraceCheckUtils]: 6: Hoare triple {753#true} assume !(1065353216bv32 == __ieee754_acosf_~ix~1); {753#true} is VALID [2020-07-28 17:45:52,115 INFO L280 TraceCheckUtils]: 5: Hoare triple {753#true} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {753#true} is VALID [2020-07-28 17:45:52,116 INFO L280 TraceCheckUtils]: 4: Hoare triple {753#true} goto; {753#true} is VALID [2020-07-28 17:45:52,116 INFO L280 TraceCheckUtils]: 3: Hoare triple {753#true} call __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_acosf_~x, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);call __ieee754_acosf_#t~mem5 := read~intINTTYPE4(__ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);__ieee754_acosf_~hx~1 := __ieee754_acosf_#t~mem5;call write~intFLOATTYPE4(__ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, 4bv32);havoc __ieee754_acosf_#t~mem5;havoc __ieee754_acosf_#t~union6;call ULTIMATE.dealloc(__ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset);havoc __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset; {753#true} is VALID [2020-07-28 17:45:52,116 INFO L280 TraceCheckUtils]: 2: Hoare triple {753#true} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0))) || ~fp.gt~FLOAT(main_~x~0, ~to_fp~FLOAT(currentRoundingMode, 1.0));__ieee754_acosf_#in~x := main_~x~0;havoc __ieee754_acosf_#res;havoc __ieee754_acosf_#t~mem5, __ieee754_acosf_#t~union6, __ieee754_acosf_~#gf_u~1.base, __ieee754_acosf_~#gf_u~1.offset, __ieee754_acosf_#t~ret7, __ieee754_acosf_#t~ret8, __ieee754_acosf_#t~mem9, __ieee754_acosf_#t~union10, __ieee754_acosf_~#gf_u~2.base, __ieee754_acosf_~#gf_u~2.offset, __ieee754_acosf_#t~mem11, __ieee754_acosf_#t~union12, __ieee754_acosf_~#sf_u~1.base, __ieee754_acosf_~#sf_u~1.offset, __ieee754_acosf_~idf~0, __ieee754_acosf_~x, __ieee754_acosf_~z~1, __ieee754_acosf_~p~0, __ieee754_acosf_~q~1, __ieee754_acosf_~r~1, __ieee754_acosf_~w~0, __ieee754_acosf_~s~1, __ieee754_acosf_~c~0, __ieee754_acosf_~df~0, __ieee754_acosf_~hx~1, __ieee754_acosf_~ix~1;__ieee754_acosf_~x := __ieee754_acosf_#in~x;havoc __ieee754_acosf_~z~1;havoc __ieee754_acosf_~p~0;havoc __ieee754_acosf_~q~1;havoc __ieee754_acosf_~r~1;havoc __ieee754_acosf_~w~0;havoc __ieee754_acosf_~s~1;havoc __ieee754_acosf_~c~0;havoc __ieee754_acosf_~df~0;havoc __ieee754_acosf_~hx~1;havoc __ieee754_acosf_~ix~1; {753#true} is VALID [2020-07-28 17:45:52,116 INFO L280 TraceCheckUtils]: 1: Hoare triple {753#true} havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_#t~ret15, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13; {753#true} is VALID [2020-07-28 17:45:52,116 INFO L280 TraceCheckUtils]: 0: Hoare triple {753#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~pi~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.1415925026));~pio2_hi_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5707962513));~pio2_lo_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.5497894159E-8));~pS0_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_acos~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {753#true} is VALID [2020-07-28 17:45:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:45:52,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957749757] [2020-07-28 17:45:52,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:45:52,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-07-28 17:45:52,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010563723] [2020-07-28 17:45:52,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-07-28 17:45:52,119 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:45:52,119 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 17:45:52,713 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:45:52,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 17:45:52,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:45:52,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 17:45:52,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-28 17:45:52,714 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 9 states. [2020-07-28 17:46:03,500 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2020-07-28 17:46:13,640 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2020-07-28 17:46:21,877 WARN L193 SmtUtils]: Spent 6.85 s on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2020-07-28 17:46:21,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:21,880 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-07-28 17:46:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 17:46:21,881 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-07-28 17:46:21,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:46:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:46:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2020-07-28 17:46:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:46:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2020-07-28 17:46:21,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 12 transitions. [2020-07-28 17:46:22,733 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:22,733 INFO L225 Difference]: With dead ends: 13 [2020-07-28 17:46:22,733 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:46:22,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-07-28 17:46:22,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:46:22,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:46:22,734 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:46:22,734 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:22,735 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:22,735 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:22,735 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:46:22,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:46:22,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:22,735 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:22,736 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:22,736 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:22,736 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:46:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:46:22,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:22,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:22,737 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:46:22,737 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:46:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:46:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:46:22,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-07-28 17:46:22,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:46:22,737 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:46:22,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 17:46:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:46:22,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:22,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:46:22,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:46:26,457 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 36 [2020-07-28 17:46:31,060 WARN L193 SmtUtils]: Spent 4.59 s on a formula simplification that was a NOOP. DAG size: 39 [2020-07-28 17:46:31,069 INFO L268 CegarLoopResult]: For program point L68-3(lines 68 71) no Hoare annotation was computed. [2020-07-28 17:46:31,069 INFO L268 CegarLoopResult]: For program point L102(lines 102 109) no Hoare annotation was computed. [2020-07-28 17:46:31,069 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:46:31,070 INFO L264 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2020-07-28 17:46:31,070 INFO L268 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2020-07-28 17:46:31,070 INFO L264 CegarLoopResult]: At program point L53-6(lines 53 62) the Hoare annotation is: false [2020-07-28 17:46:31,070 INFO L268 CegarLoopResult]: For program point L53-7(lines 17 82) no Hoare annotation was computed. [2020-07-28 17:46:31,070 INFO L268 CegarLoopResult]: For program point L103(lines 103 106) no Hoare annotation was computed. [2020-07-28 17:46:31,070 INFO L268 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:46:31,071 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:46:31,071 INFO L268 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:46:31,071 INFO L268 CegarLoopResult]: For program point L38-5(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:46:31,071 INFO L268 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:46:31,071 INFO L268 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:46:31,071 INFO L268 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:46:31,071 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:46:31,072 INFO L264 CegarLoopResult]: At program point L22-6(lines 22 26) the Hoare annotation is: false [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L22-7(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L171(lines 171 180) no Hoare annotation was computed. [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L171-2(lines 171 180) no Hoare annotation was computed. [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:46:31,072 INFO L264 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2020-07-28 17:46:31,072 INFO L268 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:46:31,073 INFO L268 CegarLoopResult]: For program point L39-7(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:46:31,073 INFO L264 CegarLoopResult]: At program point L39-8(lines 39 40) the Hoare annotation is: false [2020-07-28 17:46:31,073 INFO L268 CegarLoopResult]: For program point L39-9(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:46:31,073 INFO L268 CegarLoopResult]: For program point L122(lines 122 159) no Hoare annotation was computed. [2020-07-28 17:46:31,073 INFO L268 CegarLoopResult]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2020-07-28 17:46:31,073 INFO L264 CegarLoopResult]: At program point L139-2(lines 139 143) the Hoare annotation is: false [2020-07-28 17:46:31,073 INFO L268 CegarLoopResult]: For program point L107(lines 107 109) no Hoare annotation was computed. [2020-07-28 17:46:31,073 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:46:31,074 INFO L264 CegarLoopResult]: At program point L158(lines 93 160) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res|)) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (v_prenex_5 RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (= currentRoundingMode roundNearestTiesToEven) (or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0))))) [2020-07-28 17:46:31,074 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:46:31,074 INFO L264 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2020-07-28 17:46:31,074 INFO L268 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:46:31,074 INFO L268 CegarLoopResult]: For program point L76-5(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:46:31,074 INFO L264 CegarLoopResult]: At program point L76-6(lines 76 80) the Hoare annotation is: false [2020-07-28 17:46:31,074 INFO L268 CegarLoopResult]: For program point L76-7(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:46:31,074 INFO L268 CegarLoopResult]: For program point L176(lines 176 179) no Hoare annotation was computed. [2020-07-28 17:46:31,075 INFO L268 CegarLoopResult]: For program point L110(lines 110 159) no Hoare annotation was computed. [2020-07-28 17:46:31,076 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:46:31,076 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-28 17:46:31,076 INFO L268 CegarLoopResult]: For program point L144(lines 144 148) no Hoare annotation was computed. [2020-07-28 17:46:31,076 INFO L268 CegarLoopResult]: For program point L111(lines 111 112) no Hoare annotation was computed. [2020-07-28 17:46:31,079 INFO L268 CegarLoopResult]: For program point L144-1(lines 134 159) no Hoare annotation was computed. [2020-07-28 17:46:31,079 INFO L268 CegarLoopResult]: For program point L144-2(lines 144 148) no Hoare annotation was computed. [2020-07-28 17:46:31,079 INFO L268 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:46:31,079 INFO L268 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:46:31,079 INFO L268 CegarLoopResult]: For program point L45-3(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:46:31,079 INFO L268 CegarLoopResult]: For program point L45-5(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:46:31,079 INFO L268 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2020-07-28 17:46:31,079 INFO L268 CegarLoopResult]: For program point L29-1(lines 29 30) no Hoare annotation was computed. [2020-07-28 17:46:31,080 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res|)) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (v_prenex_5 RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (= currentRoundingMode roundNearestTiesToEven) (or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0))))) [2020-07-28 17:46:31,080 INFO L268 CegarLoopResult]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2020-07-28 17:46:31,080 INFO L264 CegarLoopResult]: At program point L96-2(lines 96 100) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:46:31,080 INFO L268 CegarLoopResult]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2020-07-28 17:46:31,080 INFO L268 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2020-07-28 17:46:31,080 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2020-07-28 17:46:31,080 INFO L264 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: false [2020-07-28 17:46:31,081 INFO L264 CegarLoopResult]: At program point L81-1(lines 17 82) the Hoare annotation is: false [2020-07-28 17:46:31,083 INFO L268 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-07-28 17:46:31,083 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:46:31,083 INFO L268 CegarLoopResult]: For program point L32-1(lines 32 33) no Hoare annotation was computed. [2020-07-28 17:46:31,083 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-07-28 17:46:31,083 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-07-28 17:46:31,083 INFO L268 CegarLoopResult]: For program point L66-2(lines 66 72) no Hoare annotation was computed. [2020-07-28 17:46:31,084 INFO L271 CegarLoopResult]: At program point L182(lines 162 183) the Hoare annotation is: true [2020-07-28 17:46:31,084 INFO L268 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:46:31,084 INFO L268 CegarLoopResult]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:46:31,084 INFO L268 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2020-07-28 17:46:31,088 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:46:31,088 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:46:31,088 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:46:31,088 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:46:31,088 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:46:31,088 WARN L170 areAnnotationChecker]: L96-3 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L171-2 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L96-3 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:46:31,089 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-28 17:46:31,332 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L22-7 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:46:31,333 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L22-7 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:46:31,334 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:46:31,335 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L144-2 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L39-9 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L39-9 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L39-7 has no Hoare annotation [2020-07-28 17:46:31,336 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L39-9 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L39-7 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:46:31,337 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:46:31,338 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:46:31,339 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:46:31,340 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:46:31,340 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:46:31,340 WARN L170 areAnnotationChecker]: L68-3 has no Hoare annotation [2020-07-28 17:46:31,340 WARN L170 areAnnotationChecker]: L68-3 has no Hoare annotation [2020-07-28 17:46:31,340 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:46:31,340 WARN L170 areAnnotationChecker]: L76-7 has no Hoare annotation [2020-07-28 17:46:31,341 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:46:31,341 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:46:31,341 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:46:31,341 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:46:31,341 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:46:31,341 WARN L170 areAnnotationChecker]: L76-7 has no Hoare annotation [2020-07-28 17:46:31,342 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:46:31,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,360 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:46:31 BoogieIcfgContainer [2020-07-28 17:46:31,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:46:31,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:46:31,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:46:31,383 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:46:31,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:14" (3/4) ... [2020-07-28 17:46:31,387 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:46:31,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 17:46:31,404 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 17:46:31,405 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:46:31,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:46:31,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) [2020-07-28 17:46:31,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) [2020-07-28 17:46:31,531 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:46:31,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:46:31,534 INFO L168 Benchmark]: Toolchain (without parser) took 89492.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:31,534 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:46:31,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:31,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:31,536 INFO L168 Benchmark]: Boogie Preprocessor took 79.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:31,536 INFO L168 Benchmark]: RCFGBuilder took 11848.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:31,537 INFO L168 Benchmark]: TraceAbstraction took 76810.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -52.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:31,537 INFO L168 Benchmark]: Witness Printer took 149.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:31,540 INFO L336 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 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11848.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 76810.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -52.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Witness Printer took 149.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2020-07-28 17:46:31,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) - InvariantResult [Line: 96]: Loop Invariant [2020-07-28 17:46:31,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant [2020-07-28 17:46:31,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:31,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,577 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,577 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,577 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-07-28 17:46:31,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:31,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:31,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:31,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-07-28 17:46:31,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 68.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 53.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 116 SDtfs, 35 SDslu, 40 SDs, 0 SdLazy, 26 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 27.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 183 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 6 QuantifiedInterpolants, 2389 SizeOfPredicates, 17 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...