./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0490a.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_0490a.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 42a5ff50ef75a9bc2b11724463e26eddfdf3a733 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0490a.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 42a5ff50ef75a9bc2b11724463e26eddfdf3a733 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:23,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:45:23,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:45:23,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:45:23,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:45:23,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:45:23,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:45:23,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:45:23,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:45:23,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:45:23,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:45:24,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:45:24,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:45:24,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:45:24,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:45:24,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:45:24,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:45:24,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:45:24,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:45:24,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:45:24,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:45:24,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:45:24,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:45:24,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:45:24,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:45:24,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:45:24,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:45:24,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:45:24,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:45:24,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:45:24,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:45:24,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:45:24,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:45:24,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:45:24,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:45:24,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:45:24,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:45:24,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:45:24,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:45:24,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:45:24,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:45:24,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:45:24,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:45:24,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:45:24,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:45:24,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:45:24,049 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:45:24,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:45:24,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:45:24,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:45:24,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:45:24,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:45:24,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:45:24,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:45:24,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:45:24,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:45:24,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:45:24,053 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:45:24,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:45:24,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:45:24,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:45:24,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:45:24,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:45:24,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:45:24,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:45:24,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:45:24,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:45:24,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:45:24,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:45:24,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:45:24,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:45:24,057 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 -> 42a5ff50ef75a9bc2b11724463e26eddfdf3a733 [2020-07-28 17:45:24,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:45:24,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:45:24,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:45:24,459 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:45:24,459 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:45:24,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0490a.c [2020-07-28 17:45:24,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d53465f/f0327665174f4944b47f41e3e56cf274/FLAG061adbb8c [2020-07-28 17:45:25,047 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:45:25,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0490a.c [2020-07-28 17:45:25,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d53465f/f0327665174f4944b47f41e3e56cf274/FLAG061adbb8c [2020-07-28 17:45:25,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d53465f/f0327665174f4944b47f41e3e56cf274 [2020-07-28 17:45:25,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:45:25,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:45:25,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:45:25,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:45:25,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:45:25,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:25,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f68bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25, skipping insertion in model container [2020-07-28 17:45:25,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:25,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:45:25,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:45:25,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:45:25,701 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:45:25,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:45:25,854 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:45:25,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25 WrapperNode [2020-07-28 17:45:25,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:45:25,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:45:25,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:45:25,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:45:25,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:25,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:25,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:45:25,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:45:25,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:45:25,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:45:25,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:25,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:25,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:25,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:25,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:26,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:26,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (1/1) ... [2020-07-28 17:45:26,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:45:26,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:45:26,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:45:26,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:45:26,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (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 17:45:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:45:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:45:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:45:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:45:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:45:26,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:45:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:45:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:45:26,966 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:45:26,967 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-07-28 17:45:26,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:26 BoogieIcfgContainer [2020-07-28 17:45:26,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:45:26,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:45:26,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:45:26,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:45:26,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:45:25" (1/3) ... [2020-07-28 17:45:26,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17382bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:45:26, skipping insertion in model container [2020-07-28 17:45:26,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:25" (2/3) ... [2020-07-28 17:45:26,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17382bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:45:26, skipping insertion in model container [2020-07-28 17:45:26,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:26" (3/3) ... [2020-07-28 17:45:26,981 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490a.c [2020-07-28 17:45:26,991 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:45:26,998 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:45:27,012 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:45:27,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:45:27,035 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:45:27,036 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:45:27,036 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:45:27,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:45:27,037 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:45:27,037 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:45:27,037 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:45:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-07-28 17:45:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:45:27,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:45:27,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:45:27,064 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:45:27,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:45:27,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2020-07-28 17:45:27,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:45:27,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502478428] [2020-07-28 17:45:27,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:45:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:27,227 INFO L280 TraceCheckUtils]: 0: Hoare triple {75#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; {75#true} is VALID [2020-07-28 17:45:27,228 INFO L280 TraceCheckUtils]: 1: Hoare triple {75#true} havoc main_#res;havoc main_#t~ret13, main_#t~ret14, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0);__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; {75#true} is VALID [2020-07-28 17:45:27,229 INFO L280 TraceCheckUtils]: 2: Hoare triple {75#true} assume !true; {76#false} is VALID [2020-07-28 17:45:27,230 INFO L280 TraceCheckUtils]: 3: Hoare triple {76#false} __ieee754_acosf_~ix~1 := ~bitwiseAnd(__ieee754_acosf_~hx~1, 2147483647); {76#false} is VALID [2020-07-28 17:45:27,230 INFO L280 TraceCheckUtils]: 4: Hoare triple {76#false} assume 1065353216 == __ieee754_acosf_~ix~1; {76#false} is VALID [2020-07-28 17:45:27,231 INFO L280 TraceCheckUtils]: 5: Hoare triple {76#false} assume __ieee754_acosf_~hx~1 > 0;__ieee754_acosf_#res := 0.0; {76#false} is VALID [2020-07-28 17:45:27,231 INFO L280 TraceCheckUtils]: 6: Hoare triple {76#false} main_#t~ret13 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret13;havoc main_#t~ret13;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); {76#false} is VALID [2020-07-28 17:45:27,232 INFO L280 TraceCheckUtils]: 7: Hoare triple {76#false} main_#t~ret14 := isnan_float_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {76#false} is VALID [2020-07-28 17:45:27,232 INFO L280 TraceCheckUtils]: 8: Hoare triple {76#false} assume 0 == main_#t~ret14;havoc main_#t~ret14; {76#false} is VALID [2020-07-28 17:45:27,233 INFO L280 TraceCheckUtils]: 9: Hoare triple {76#false} assume !false; {76#false} is VALID [2020-07-28 17:45:27,236 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 17:45:27,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502478428] [2020-07-28 17:45:27,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:45:27,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:45:27,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063857635] [2020-07-28 17:45:27,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:45:27,247 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:45:27,250 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:45:27,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:45:27,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:45:27,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:45:27,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:45:27,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:45:27,285 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-07-28 17:45:27,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:27,457 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2020-07-28 17:45:27,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:45:27,457 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:45:27,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:45:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:45:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 234 transitions. [2020-07-28 17:45:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:45:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 234 transitions. [2020-07-28 17:45:27,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 234 transitions. [2020-07-28 17:45:27,802 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:45:27,817 INFO L225 Difference]: With dead ends: 142 [2020-07-28 17:45:27,818 INFO L226 Difference]: Without dead ends: 69 [2020-07-28 17:45:27,822 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 17:45:27,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-28 17:45:27,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-07-28 17:45:27,872 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:45:27,873 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 69 states. [2020-07-28 17:45:27,874 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2020-07-28 17:45:27,874 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2020-07-28 17:45:27,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:27,882 INFO L93 Difference]: Finished difference Result 69 states and 96 transitions. [2020-07-28 17:45:27,882 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-07-28 17:45:27,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:45:27,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:45:27,884 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2020-07-28 17:45:27,885 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2020-07-28 17:45:27,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:27,891 INFO L93 Difference]: Finished difference Result 69 states and 96 transitions. [2020-07-28 17:45:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-07-28 17:45:27,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:45:27,893 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:45:27,894 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:45:27,894 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:45:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-28 17:45:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2020-07-28 17:45:27,901 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2020-07-28 17:45:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:45:27,902 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2020-07-28 17:45:27,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:45:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-07-28 17:45:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:45:27,904 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:45:27,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:45:27,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:45:27,905 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:45:27,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:45:27,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2020-07-28 17:45:27,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:45:27,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005160257] [2020-07-28 17:45:27,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:45:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:45:27,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:45:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:45:28,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:45:28,061 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:45:28,063 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:45:28,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:45:28,139 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:45:28,139 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:45:28,140 WARN L170 areAnnotationChecker]: L96-2 has no Hoare annotation [2020-07-28 17:45:28,140 WARN L170 areAnnotationChecker]: L96-2 has no Hoare annotation [2020-07-28 17:45:28,140 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:45:28,140 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:45:28,140 WARN L170 areAnnotationChecker]: L96-3 has no Hoare annotation [2020-07-28 17:45:28,141 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:45:28,141 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:45:28,141 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 17:45:28,142 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 17:45:28,142 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:45:28,151 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:45:28,152 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 17:45:28,152 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:45:28,152 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:45:28,153 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-28 17:45:28,153 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:45:28,153 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:45:28,154 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:45:28,154 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:45:28,154 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 17:45:28,154 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 17:45:28,155 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-28 17:45:28,155 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-28 17:45:28,155 WARN L170 areAnnotationChecker]: L22-6 has no Hoare annotation [2020-07-28 17:45:28,156 WARN L170 areAnnotationChecker]: L22-6 has no Hoare annotation [2020-07-28 17:45:28,156 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 17:45:28,156 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 17:45:28,156 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 17:45:28,157 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:45:28,157 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:45:28,157 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:45:28,157 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:45:28,158 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:45:28,158 WARN L170 areAnnotationChecker]: L22-7 has no Hoare annotation [2020-07-28 17:45:28,158 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:45:28,159 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:45:28,159 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:45:28,159 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-28 17:45:28,159 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-28 17:45:28,160 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-28 17:45:28,160 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:45:28,160 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:45:28,160 WARN L170 areAnnotationChecker]: L81-1 has no Hoare annotation [2020-07-28 17:45:28,160 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-28 17:45:28,161 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-28 17:45:28,161 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:45:28,161 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:45:28,161 WARN L170 areAnnotationChecker]: L139-2 has no Hoare annotation [2020-07-28 17:45:28,162 WARN L170 areAnnotationChecker]: L139-2 has no Hoare annotation [2020-07-28 17:45:28,162 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-28 17:45:28,162 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-28 17:45:28,162 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:45:28,163 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:45:28,163 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:45:28,163 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:45:28,163 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:45:28,163 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:45:28,164 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:45:28,164 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:45:28,164 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:45:28,164 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:45:28,165 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-28 17:45:28,165 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-28 17:45:28,165 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 17:45:28,165 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 17:45:28,165 WARN L170 areAnnotationChecker]: L144-2 has no Hoare annotation [2020-07-28 17:45:28,166 WARN L170 areAnnotationChecker]: L39-8 has no Hoare annotation [2020-07-28 17:45:28,166 WARN L170 areAnnotationChecker]: L39-8 has no Hoare annotation [2020-07-28 17:45:28,166 WARN L170 areAnnotationChecker]: L39-8 has no Hoare annotation [2020-07-28 17:45:28,166 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-28 17:45:28,167 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:45:28,167 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:45:28,167 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:45:28,167 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:45:28,167 WARN L170 areAnnotationChecker]: L39-9 has no Hoare annotation [2020-07-28 17:45:28,168 WARN L170 areAnnotationChecker]: L39-7 has no Hoare annotation [2020-07-28 17:45:28,168 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-28 17:45:28,168 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-28 17:45:28,168 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-28 17:45:28,168 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-28 17:45:28,169 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:45:28,169 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:45:28,169 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 17:45:28,169 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 17:45:28,169 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 17:45:28,170 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 17:45:28,170 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:45:28,170 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:45:28,170 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:45:28,171 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:45:28,171 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:45:28,171 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:45:28,171 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:45:28,171 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:45:28,172 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:45:28,172 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:45:28,172 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:45:28,172 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:45:28,172 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:45:28,173 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:45:28,173 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 17:45:28,173 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 17:45:28,173 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:45:28,174 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:45:28,174 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-28 17:45:28,174 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-28 17:45:28,174 WARN L170 areAnnotationChecker]: L68-3 has no Hoare annotation [2020-07-28 17:45:28,174 WARN L170 areAnnotationChecker]: L68-3 has no Hoare annotation [2020-07-28 17:45:28,175 WARN L170 areAnnotationChecker]: L76-6 has no Hoare annotation [2020-07-28 17:45:28,175 WARN L170 areAnnotationChecker]: L76-6 has no Hoare annotation [2020-07-28 17:45:28,175 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:45:28,175 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:45:28,175 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:45:28,176 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:45:28,176 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:45:28,176 WARN L170 areAnnotationChecker]: L76-7 has no Hoare annotation [2020-07-28 17:45:28,176 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 17:45:28,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:45:28 BoogieIcfgContainer [2020-07-28 17:45:28,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:45:28,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:45:28,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:45:28,184 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:45:28,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:26" (3/4) ... [2020-07-28 17:45:28,189 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:45:28,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:45:28,198 INFO L168 Benchmark]: Toolchain (without parser) took 2809.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 958.9 MB in the beginning and 914.4 MB in the end (delta: 44.5 MB). Peak memory consumption was 146.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:45:28,199 INFO L168 Benchmark]: CDTParser took 0.84 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 17:45:28,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:45:28,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.49 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 17:45:28,203 INFO L168 Benchmark]: Boogie Preprocessor took 83.38 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 17:45:28,205 INFO L168 Benchmark]: RCFGBuilder took 947.94 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: 67.2 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:45:28,205 INFO L168 Benchmark]: TraceAbstraction took 1210.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 914.4 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:45:28,206 INFO L168 Benchmark]: Witness Printer took 10.60 ms. Allocated memory is still 1.1 GB. Free memory is still 914.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:45:28,217 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 0.84 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 465.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.49 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 83.38 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 947.94 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: 67.2 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1210.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 914.4 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. * Witness Printer took 10.60 ms. Allocated memory is still 1.1 GB. Free memory is still 914.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 173]: 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, overapproximation of someBinaryArithmeticFLOAToperation at line 168. 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=15707962513/5000000000, 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] [L168] float x = 1.0f / 0.0f; [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=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] [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=75497894159/1000000000000000000, pi=15707962513/10000000000, 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] [L102] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, 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=15707962513/10000000000, 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 res = __ieee754_acosf(x); [L13] return x != x; 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] [L172] COND TRUE !isnan_float(res) [L173] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, 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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 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: 99 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=72occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 17:45:30,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:45:30,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:45:30,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:45:30,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:45:30,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:45:30,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:45:30,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:45:30,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:45:30,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:45:30,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:45:30,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:45:30,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:45:30,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:45:30,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:45:30,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:45:30,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:45:30,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:45:30,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:45:30,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:45:30,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:45:30,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:45:30,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:45:30,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:45:30,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:45:30,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:45:30,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:45:30,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:45:30,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:45:30,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:45:30,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:45:30,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:45:30,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:45:30,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:45:30,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:45:30,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:45:30,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:45:30,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:45:30,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:45:30,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:45:30,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:45:30,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:45:30,303 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:45:30,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:45:30,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:45:30,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:45:30,305 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:45:30,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:45:30,306 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:45:30,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:45:30,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:45:30,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:45:30,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:45:30,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:45:30,307 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:45:30,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:45:30,308 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:45:30,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:45:30,308 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:45:30,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:45:30,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:45:30,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:45:30,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:45:30,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:45:30,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:45:30,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:45:30,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:45:30,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:45:30,311 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:45:30,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:45:30,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:45:30,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:45:30,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:45:30,313 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 -> 42a5ff50ef75a9bc2b11724463e26eddfdf3a733 [2020-07-28 17:45:30,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:45:30,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:45:30,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:45:30,630 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:45:30,631 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:45:30,631 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0490a.c [2020-07-28 17:45:30,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12d6cc8f/501ee9367b744945b45915d3be89b05b/FLAG9095be8ab [2020-07-28 17:45:31,184 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:45:31,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0490a.c [2020-07-28 17:45:31,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12d6cc8f/501ee9367b744945b45915d3be89b05b/FLAG9095be8ab [2020-07-28 17:45:31,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12d6cc8f/501ee9367b744945b45915d3be89b05b [2020-07-28 17:45:31,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:45:31,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:45:31,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:45:31,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:45:31,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:45:31,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:45:31" (1/1) ... [2020-07-28 17:45:31,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77aa84ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:31, skipping insertion in model container [2020-07-28 17:45:31,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:45:31" (1/1) ... [2020-07-28 17:45:31,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:45:31,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:45:31,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:45:31,841 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:45:32,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:45:32,038 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:45:32,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32 WrapperNode [2020-07-28 17:45:32,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:45:32,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:45:32,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:45:32,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:45:32,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:45:32,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:45:32,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:45:32,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:45:32,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (1/1) ... [2020-07-28 17:45:32,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:45:32,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:45:32,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:45:32,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:45:32,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (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 17:45:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:45:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:45:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:45:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:45:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:45:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:45:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:45:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:45:43,426 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:45:43,427 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-07-28 17:45:43,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:43 BoogieIcfgContainer [2020-07-28 17:45:43,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:45:43,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:45:43,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:45:43,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:45:43,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:45:31" (1/3) ... [2020-07-28 17:45:43,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f565ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:45:43, skipping insertion in model container [2020-07-28 17:45:43,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:45:32" (2/3) ... [2020-07-28 17:45:43,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f565ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:45:43, skipping insertion in model container [2020-07-28 17:45:43,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:43" (3/3) ... [2020-07-28 17:45:43,442 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490a.c [2020-07-28 17:45:43,453 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:45:43,461 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:45:43,472 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:45:43,495 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:45:43,495 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:45:43,496 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:45:43,496 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:45:43,496 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:45:43,496 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:45:43,497 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:45:43,497 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:45:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-07-28 17:45:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:45:43,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:45:43,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:45:43,522 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:45:43,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:45:43,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2020-07-28 17:45:43,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:45:43,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632394135] [2020-07-28 17:45:43,542 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 17:45:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:44,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:45:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:45:44,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:45:44,112 INFO L280 TraceCheckUtils]: 0: Hoare triple {75#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)); {75#true} is VALID [2020-07-28 17:45:44,114 INFO L280 TraceCheckUtils]: 1: Hoare triple {75#true} havoc main_#res;havoc main_#t~ret13, main_#t~ret14, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__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; {75#true} is VALID [2020-07-28 17:45:44,116 INFO L280 TraceCheckUtils]: 2: Hoare triple {75#true} assume !true; {76#false} is VALID [2020-07-28 17:45:44,116 INFO L280 TraceCheckUtils]: 3: Hoare triple {76#false} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {76#false} is VALID [2020-07-28 17:45:44,117 INFO L280 TraceCheckUtils]: 4: Hoare triple {76#false} assume 1065353216bv32 == __ieee754_acosf_~ix~1; {76#false} is VALID [2020-07-28 17:45:44,117 INFO L280 TraceCheckUtils]: 5: Hoare triple {76#false} assume ~bvsgt32(__ieee754_acosf_~hx~1, 0bv32);__ieee754_acosf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {76#false} is VALID [2020-07-28 17:45:44,117 INFO L280 TraceCheckUtils]: 6: Hoare triple {76#false} main_#t~ret13 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret13;havoc main_#t~ret13;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); {76#false} is VALID [2020-07-28 17:45:44,118 INFO L280 TraceCheckUtils]: 7: Hoare triple {76#false} main_#t~ret14 := isnan_float_#res; {76#false} is VALID [2020-07-28 17:45:44,119 INFO L280 TraceCheckUtils]: 8: Hoare triple {76#false} assume 0bv32 == main_#t~ret14;havoc main_#t~ret14; {76#false} is VALID [2020-07-28 17:45:44,119 INFO L280 TraceCheckUtils]: 9: Hoare triple {76#false} assume !false; {76#false} is VALID [2020-07-28 17:45:44,123 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 17:45:44,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:45:44,142 INFO L280 TraceCheckUtils]: 9: Hoare triple {76#false} assume !false; {76#false} is VALID [2020-07-28 17:45:44,143 INFO L280 TraceCheckUtils]: 8: Hoare triple {76#false} assume 0bv32 == main_#t~ret14;havoc main_#t~ret14; {76#false} is VALID [2020-07-28 17:45:44,144 INFO L280 TraceCheckUtils]: 7: Hoare triple {76#false} main_#t~ret14 := isnan_float_#res; {76#false} is VALID [2020-07-28 17:45:44,144 INFO L280 TraceCheckUtils]: 6: Hoare triple {76#false} main_#t~ret13 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret13;havoc main_#t~ret13;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); {76#false} is VALID [2020-07-28 17:45:44,145 INFO L280 TraceCheckUtils]: 5: Hoare triple {76#false} assume ~bvsgt32(__ieee754_acosf_~hx~1, 0bv32);__ieee754_acosf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {76#false} is VALID [2020-07-28 17:45:44,145 INFO L280 TraceCheckUtils]: 4: Hoare triple {76#false} assume 1065353216bv32 == __ieee754_acosf_~ix~1; {76#false} is VALID [2020-07-28 17:45:44,149 INFO L280 TraceCheckUtils]: 3: Hoare triple {76#false} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {76#false} is VALID [2020-07-28 17:45:44,150 INFO L280 TraceCheckUtils]: 2: Hoare triple {75#true} assume !true; {76#false} is VALID [2020-07-28 17:45:44,151 INFO L280 TraceCheckUtils]: 1: Hoare triple {75#true} havoc main_#res;havoc main_#t~ret13, main_#t~ret14, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__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; {75#true} is VALID [2020-07-28 17:45:44,151 INFO L280 TraceCheckUtils]: 0: Hoare triple {75#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)); {75#true} is VALID [2020-07-28 17:45:44,152 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 17:45:44,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632394135] [2020-07-28 17:45:44,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:45:44,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:45:44,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693265484] [2020-07-28 17:45:44,167 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:45:44,169 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:45:44,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:45:44,220 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:45:44,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:45:44,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:45:44,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:45:44,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:45:44,236 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-07-28 17:45:55,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:45:55,242 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2020-07-28 17:45:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:45:55,243 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:45:55,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:45:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:45:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 234 transitions. [2020-07-28 17:45:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:45:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 234 transitions. [2020-07-28 17:45:55,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 234 transitions. [2020-07-28 17:46:01,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:01,598 INFO L225 Difference]: With dead ends: 142 [2020-07-28 17:46:01,599 INFO L226 Difference]: Without dead ends: 69 [2020-07-28 17:46:01,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 17:46:01,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-28 17:46:01,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-07-28 17:46:01,647 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:46:01,647 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 69 states. [2020-07-28 17:46:01,648 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2020-07-28 17:46:01,648 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2020-07-28 17:46:01,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:01,655 INFO L93 Difference]: Finished difference Result 69 states and 96 transitions. [2020-07-28 17:46:01,655 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-07-28 17:46:01,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:01,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:01,657 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2020-07-28 17:46:01,657 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2020-07-28 17:46:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:01,664 INFO L93 Difference]: Finished difference Result 69 states and 96 transitions. [2020-07-28 17:46:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-07-28 17:46:01,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:01,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:01,666 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:46:01,666 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:46:01,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-28 17:46:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2020-07-28 17:46:01,673 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2020-07-28 17:46:01,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:46:01,674 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2020-07-28 17:46:01,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:46:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-07-28 17:46:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:46:01,675 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:46:01,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:46:01,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:46:01,890 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:46:01,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:46:01,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2020-07-28 17:46:01,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:46:01,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648872707] [2020-07-28 17:46:01,894 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 17:46:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:02,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:46:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:02,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:46:02,600 INFO L280 TraceCheckUtils]: 0: Hoare triple {526#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)); {526#true} is VALID [2020-07-28 17:46:02,604 INFO L280 TraceCheckUtils]: 1: Hoare triple {526#true} havoc main_#res;havoc main_#t~ret13, main_#t~ret14, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__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; {534#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x))} is VALID [2020-07-28 17:46:02,610 INFO L280 TraceCheckUtils]: 2: Hoare triple {534#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) 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~union6;havoc __ieee754_acosf_#t~mem5;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; {538#(exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:46:02,612 INFO L280 TraceCheckUtils]: 3: Hoare triple {538#(exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {538#(exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:46:02,615 INFO L280 TraceCheckUtils]: 4: Hoare triple {538#(exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {545#(exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1)))} is VALID [2020-07-28 17:46:02,619 INFO L280 TraceCheckUtils]: 5: Hoare triple {545#(exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1)))} assume 1065353216bv32 == __ieee754_acosf_~ix~1; {527#false} is VALID [2020-07-28 17:46:02,620 INFO L280 TraceCheckUtils]: 6: Hoare triple {527#false} assume ~bvsgt32(__ieee754_acosf_~hx~1, 0bv32);__ieee754_acosf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {527#false} is VALID [2020-07-28 17:46:02,620 INFO L280 TraceCheckUtils]: 7: Hoare triple {527#false} main_#t~ret13 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret13;havoc main_#t~ret13;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); {527#false} is VALID [2020-07-28 17:46:02,620 INFO L280 TraceCheckUtils]: 8: Hoare triple {527#false} main_#t~ret14 := isnan_float_#res; {527#false} is VALID [2020-07-28 17:46:02,621 INFO L280 TraceCheckUtils]: 9: Hoare triple {527#false} assume 0bv32 == main_#t~ret14;havoc main_#t~ret14; {527#false} is VALID [2020-07-28 17:46:02,621 INFO L280 TraceCheckUtils]: 10: Hoare triple {527#false} assume !false; {527#false} is VALID [2020-07-28 17:46:02,623 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 17:46:02,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:46:02,752 INFO L280 TraceCheckUtils]: 10: Hoare triple {527#false} assume !false; {527#false} is VALID [2020-07-28 17:46:02,753 INFO L280 TraceCheckUtils]: 9: Hoare triple {527#false} assume 0bv32 == main_#t~ret14;havoc main_#t~ret14; {527#false} is VALID [2020-07-28 17:46:02,753 INFO L280 TraceCheckUtils]: 8: Hoare triple {527#false} main_#t~ret14 := isnan_float_#res; {527#false} is VALID [2020-07-28 17:46:02,753 INFO L280 TraceCheckUtils]: 7: Hoare triple {527#false} main_#t~ret13 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret13;havoc main_#t~ret13;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); {527#false} is VALID [2020-07-28 17:46:02,754 INFO L280 TraceCheckUtils]: 6: Hoare triple {527#false} assume ~bvsgt32(__ieee754_acosf_~hx~1, 0bv32);__ieee754_acosf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {527#false} is VALID [2020-07-28 17:46:02,760 INFO L280 TraceCheckUtils]: 5: Hoare triple {579#(not (= (_ bv1065353216 32) ULTIMATE.start___ieee754_acosf_~ix~1))} assume 1065353216bv32 == __ieee754_acosf_~ix~1; {527#false} is VALID [2020-07-28 17:46:02,762 INFO L280 TraceCheckUtils]: 4: Hoare triple {583#(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); {579#(not (= (_ bv1065353216 32) ULTIMATE.start___ieee754_acosf_~ix~1))} is VALID [2020-07-28 17:46:02,768 INFO L280 TraceCheckUtils]: 3: Hoare triple {583#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} goto; {583#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:46:02,772 INFO L280 TraceCheckUtils]: 2: Hoare triple {590#(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~union6;havoc __ieee754_acosf_#t~mem5;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; {583#(not (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))} is VALID [2020-07-28 17:46:02,775 INFO L280 TraceCheckUtils]: 1: Hoare triple {526#true} havoc main_#res;havoc main_#t~ret13, main_#t~ret14, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__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; {590#(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 17:46:02,776 INFO L280 TraceCheckUtils]: 0: Hoare triple {526#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)); {526#true} is VALID [2020-07-28 17:46:02,777 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 17:46:02,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648872707] [2020-07-28 17:46:02,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:46:02,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:46:02,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702398723] [2020-07-28 17:46:02,780 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-07-28 17:46:02,781 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:46:02,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:46:02,832 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:02,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:46:02,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:46:02,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:46:02,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:46:02,833 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand 8 states. [2020-07-28 17:46:04,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:04,198 INFO L93 Difference]: Finished difference Result 74 states and 100 transitions. [2020-07-28 17:46:04,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:46:04,198 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-07-28 17:46:04,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:46:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:46:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions. [2020-07-28 17:46:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:46:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions. [2020-07-28 17:46:04,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 100 transitions. [2020-07-28 17:46:07,439 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:07,440 INFO L225 Difference]: With dead ends: 74 [2020-07-28 17:46:07,440 INFO L226 Difference]: Without dead ends: 12 [2020-07-28 17:46:07,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:46:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-07-28 17:46:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-07-28 17:46:07,452 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:46:07,452 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2020-07-28 17:46:07,452 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2020-07-28 17:46:07,452 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2020-07-28 17:46:07,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:07,453 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:46:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:46:07,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:07,454 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:07,454 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2020-07-28 17:46:07,454 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2020-07-28 17:46:07,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:07,456 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:46:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:46:07,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:07,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:07,457 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:46:07,457 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:46:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-28 17:46:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-07-28 17:46:07,458 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2020-07-28 17:46:07,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:46:07,458 INFO L479 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-07-28 17:46:07,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:46:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-07-28 17:46:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:46:07,459 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:46:07,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:46:07,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:46:07,661 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:46:07,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:46:07,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1092362962, now seen corresponding path program 1 times [2020-07-28 17:46:07,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:46:07,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992361564] [2020-07-28 17:46:07,664 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 17:46:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:08,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-28 17:46:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:46:08,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:46:08,484 INFO L280 TraceCheckUtils]: 0: Hoare triple {729#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)); {734#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:46:08,487 INFO L280 TraceCheckUtils]: 1: Hoare triple {734#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~ret13, main_#t~ret14, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__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; {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:46:08,489 INFO L280 TraceCheckUtils]: 2: Hoare triple {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= 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~union6;havoc __ieee754_acosf_#t~mem5;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; {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:46:08,490 INFO L280 TraceCheckUtils]: 3: Hoare triple {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= currentRoundingMode roundNearestTiesToEven))} goto; {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:46:08,491 INFO L280 TraceCheckUtils]: 4: Hoare triple {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:46:08,492 INFO L280 TraceCheckUtils]: 5: Hoare triple {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= currentRoundingMode roundNearestTiesToEven))} assume !(1065353216bv32 == __ieee754_acosf_~ix~1); {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:46:08,493 INFO L280 TraceCheckUtils]: 6: Hoare triple {738#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x) (= 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)); {754#(= |ULTIMATE.start___ieee754_acosf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} is VALID [2020-07-28 17:46:08,495 INFO L280 TraceCheckUtils]: 7: Hoare triple {754#(= |ULTIMATE.start___ieee754_acosf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} main_#t~ret13 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret13;havoc main_#t~ret13;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); {758#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} is VALID [2020-07-28 17:46:08,504 INFO L280 TraceCheckUtils]: 8: Hoare triple {758#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} main_#t~ret14 := isnan_float_#res; {762#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret14|)} is VALID [2020-07-28 17:46:08,505 INFO L280 TraceCheckUtils]: 9: Hoare triple {762#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret14|)} assume 0bv32 == main_#t~ret14;havoc main_#t~ret14; {730#false} is VALID [2020-07-28 17:46:08,505 INFO L280 TraceCheckUtils]: 10: Hoare triple {730#false} assume !false; {730#false} is VALID [2020-07-28 17:46:08,506 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 17:46:08,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:46:09,303 INFO L280 TraceCheckUtils]: 10: Hoare triple {730#false} assume !false; {730#false} is VALID [2020-07-28 17:46:09,304 INFO L280 TraceCheckUtils]: 9: Hoare triple {772#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret14|))} assume 0bv32 == main_#t~ret14;havoc main_#t~ret14; {730#false} is VALID [2020-07-28 17:46:09,305 INFO L280 TraceCheckUtils]: 8: Hoare triple {776#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} main_#t~ret14 := isnan_float_#res; {772#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret14|))} is VALID [2020-07-28 17:46:09,306 INFO L280 TraceCheckUtils]: 7: Hoare triple {754#(= |ULTIMATE.start___ieee754_acosf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} main_#t~ret13 := __ieee754_acosf_#res;main_~res~0 := main_#t~ret13;havoc main_#t~ret13;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); {776#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} is VALID [2020-07-28 17:46:09,466 INFO L280 TraceCheckUtils]: 6: Hoare triple {729#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)); {754#(= |ULTIMATE.start___ieee754_acosf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} is VALID [2020-07-28 17:46:09,467 INFO L280 TraceCheckUtils]: 5: Hoare triple {729#true} assume !(1065353216bv32 == __ieee754_acosf_~ix~1); {729#true} is VALID [2020-07-28 17:46:09,467 INFO L280 TraceCheckUtils]: 4: Hoare triple {729#true} __ieee754_acosf_~ix~1 := ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1); {729#true} is VALID [2020-07-28 17:46:09,468 INFO L280 TraceCheckUtils]: 3: Hoare triple {729#true} goto; {729#true} is VALID [2020-07-28 17:46:09,468 INFO L280 TraceCheckUtils]: 2: Hoare triple {729#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~union6;havoc __ieee754_acosf_#t~mem5;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; {729#true} is VALID [2020-07-28 17:46:09,468 INFO L280 TraceCheckUtils]: 1: Hoare triple {729#true} havoc main_#res;havoc main_#t~ret13, main_#t~ret14, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__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; {729#true} is VALID [2020-07-28 17:46:09,469 INFO L280 TraceCheckUtils]: 0: Hoare triple {729#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)); {729#true} is VALID [2020-07-28 17:46:09,469 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 17:46:09,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992361564] [2020-07-28 17:46:09,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:46:09,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2020-07-28 17:46:09,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716155264] [2020-07-28 17:46:09,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-07-28 17:46:09,471 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:46:09,471 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 17:46:09,832 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:46:09,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 17:46:09,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:46:09,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 17:46:09,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 17:46:09,834 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 9 states. [2020-07-28 17:46:11,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:11,447 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:46:11,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 17:46:11,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-07-28 17:46:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:46:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:46:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-07-28 17:46:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:46:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-07-28 17:46:11,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 11 transitions. [2020-07-28 17:46:11,643 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 17:46:11,643 INFO L225 Difference]: With dead ends: 12 [2020-07-28 17:46:11,643 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:46:11,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-07-28 17:46:11,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:46:11,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:46:11,645 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:46:11,645 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:11,645 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:11,645 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:11,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:11,646 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:46:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:46:11,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:11,647 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:11,647 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:11,647 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:46:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:46:11,648 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:46:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:46:11,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:11,648 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:46:11,648 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:46:11,648 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:46:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:46:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:46:11,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-07-28 17:46:11,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:46:11,649 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:46:11,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 17:46:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:46:11,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:46:11,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:46:11,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:46:12,106 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-07-28 17:46:12,240 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-07-28 17:46:12,250 INFO L268 CegarLoopResult]: For program point L68-3(lines 68 71) no Hoare annotation was computed. [2020-07-28 17:46:12,251 INFO L268 CegarLoopResult]: For program point L102(lines 102 109) no Hoare annotation was computed. [2020-07-28 17:46:12,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:46:12,251 INFO L264 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2020-07-28 17:46:12,251 INFO L268 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2020-07-28 17:46:12,251 INFO L264 CegarLoopResult]: At program point L53-6(lines 53 62) the Hoare annotation is: false [2020-07-28 17:46:12,251 INFO L268 CegarLoopResult]: For program point L53-7(lines 17 82) no Hoare annotation was computed. [2020-07-28 17:46:12,251 INFO L268 CegarLoopResult]: For program point L103(lines 103 106) no Hoare annotation was computed. [2020-07-28 17:46:12,251 INFO L268 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:46:12,251 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:46:12,252 INFO L268 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:46:12,252 INFO L268 CegarLoopResult]: For program point L38-5(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:46:12,252 INFO L268 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:46:12,252 INFO L268 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:46:12,252 INFO L268 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:46:12,252 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2020-07-28 17:46:12,252 INFO L268 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:46:12,252 INFO L268 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:46:12,253 INFO L268 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:46:12,253 INFO L268 CegarLoopResult]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:46:12,253 INFO L264 CegarLoopResult]: At program point L22-6(lines 22 26) the Hoare annotation is: false [2020-07-28 17:46:12,253 INFO L268 CegarLoopResult]: For program point L22-7(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:46:12,253 INFO L268 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:46:12,253 INFO L264 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2020-07-28 17:46:12,253 INFO L268 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:46:12,253 INFO L268 CegarLoopResult]: For program point L39-7(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:46:12,253 INFO L264 CegarLoopResult]: At program point L39-8(lines 39 40) the Hoare annotation is: false [2020-07-28 17:46:12,253 INFO L268 CegarLoopResult]: For program point L39-9(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:46:12,254 INFO L268 CegarLoopResult]: For program point L122(lines 122 159) no Hoare annotation was computed. [2020-07-28 17:46:12,254 INFO L268 CegarLoopResult]: For program point L172(lines 172 175) no Hoare annotation was computed. [2020-07-28 17:46:12,254 INFO L268 CegarLoopResult]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2020-07-28 17:46:12,254 INFO L264 CegarLoopResult]: At program point L139-2(lines 139 143) the Hoare annotation is: false [2020-07-28 17:46:12,254 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-07-28 17:46:12,254 INFO L268 CegarLoopResult]: For program point L107(lines 107 109) no Hoare annotation was computed. [2020-07-28 17:46:12,254 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:46:12,254 INFO L264 CegarLoopResult]: At program point L158(lines 93 160) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1)))) [2020-07-28 17:46:12,255 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:46:12,255 INFO L264 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2020-07-28 17:46:12,255 INFO L268 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:46:12,255 INFO L268 CegarLoopResult]: For program point L76-5(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:46:12,255 INFO L264 CegarLoopResult]: At program point L76-6(lines 76 80) the Hoare annotation is: false [2020-07-28 17:46:12,255 INFO L268 CegarLoopResult]: For program point L76-7(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:46:12,255 INFO L268 CegarLoopResult]: For program point L110(lines 110 159) no Hoare annotation was computed. [2020-07-28 17:46:12,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:46:12,255 INFO L271 CegarLoopResult]: At program point L177(lines 162 178) the Hoare annotation is: true [2020-07-28 17:46:12,255 INFO L268 CegarLoopResult]: For program point L144(lines 144 148) no Hoare annotation was computed. [2020-07-28 17:46:12,256 INFO L268 CegarLoopResult]: For program point L111(lines 111 112) no Hoare annotation was computed. [2020-07-28 17:46:12,256 INFO L268 CegarLoopResult]: For program point L144-1(lines 134 159) no Hoare annotation was computed. [2020-07-28 17:46:12,256 INFO L268 CegarLoopResult]: For program point L144-2(lines 144 148) no Hoare annotation was computed. [2020-07-28 17:46:12,256 INFO L268 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:46:12,256 INFO L268 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:46:12,256 INFO L268 CegarLoopResult]: For program point L45-3(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:46:12,256 INFO L268 CegarLoopResult]: For program point L45-5(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:46:12,256 INFO L268 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2020-07-28 17:46:12,257 INFO L268 CegarLoopResult]: For program point L29-1(lines 29 30) no Hoare annotation was computed. [2020-07-28 17:46:12,257 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1)))) [2020-07-28 17:46:12,257 INFO L268 CegarLoopResult]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2020-07-28 17:46:12,257 INFO L264 CegarLoopResult]: At program point L96-2(lines 96 100) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x)) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:46:12,258 INFO L268 CegarLoopResult]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2020-07-28 17:46:12,258 INFO L268 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2020-07-28 17:46:12,258 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2020-07-28 17:46:12,258 INFO L264 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: false [2020-07-28 17:46:12,258 INFO L264 CegarLoopResult]: At program point L81-1(lines 17 82) the Hoare annotation is: false [2020-07-28 17:46:12,259 INFO L268 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-07-28 17:46:12,259 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:46:12,259 INFO L268 CegarLoopResult]: For program point L32-1(lines 32 33) no Hoare annotation was computed. [2020-07-28 17:46:12,259 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2020-07-28 17:46:12,259 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-07-28 17:46:12,260 INFO L268 CegarLoopResult]: For program point L66-2(lines 66 72) no Hoare annotation was computed. [2020-07-28 17:46:12,260 INFO L268 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:46:12,260 INFO L268 CegarLoopResult]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:46:12,260 INFO L268 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2020-07-28 17:46:12,265 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:46:12,265 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:46:12,265 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:46:12,265 WARN L170 areAnnotationChecker]: L96-3 has no Hoare annotation [2020-07-28 17:46:12,266 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:46:12,266 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2020-07-28 17:46:12,266 WARN L170 areAnnotationChecker]: L96-3 has no Hoare annotation [2020-07-28 17:46:12,266 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:46:12,266 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:46:12,267 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 17:46:12,267 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 17:46:12,267 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:46:12,267 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:46:12,271 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:46:12,271 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:46:12,271 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 17:46:12,271 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:46:12,271 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:46:12,271 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:46:12,271 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:46:12,272 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 17:46:12,272 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 17:46:12,272 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:46:12,272 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:46:12,272 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:46:12,272 WARN L170 areAnnotationChecker]: L22-7 has no Hoare annotation [2020-07-28 17:46:12,272 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 17:46:12,272 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L22-7 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:46:12,273 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:46:12,274 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:46:12,275 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L144-2 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L39-9 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L39-9 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L39-7 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:46:12,276 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L39-9 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L39-7 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:46:12,277 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L53-7 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:46:12,278 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:46:12,279 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L68-3 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L68-3 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L76-7 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:46:12,280 WARN L170 areAnnotationChecker]: L76-5 has no Hoare annotation [2020-07-28 17:46:12,281 WARN L170 areAnnotationChecker]: L76-7 has no Hoare annotation [2020-07-28 17:46:12,281 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 17:46:12,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,304 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,307 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,307 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,315 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,320 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,320 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,321 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,321 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,321 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:46:12 BoogieIcfgContainer [2020-07-28 17:46:12,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:46:12,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:46:12,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:46:12,327 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:46:12,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:45:43" (3/4) ... [2020-07-28 17:46:12,334 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:46:12,357 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 17:46:12,359 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 17:46:12,360 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:46:12,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:46:12,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~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]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix) [2020-07-28 17:46:12,397 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~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]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix) [2020-07-28 17:46:12,476 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:46:12,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:46:12,483 INFO L168 Benchmark]: Toolchain (without parser) took 40954.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:12,483 INFO L168 Benchmark]: CDTParser took 0.27 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 17:46:12,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:12,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.17 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 17:46:12,485 INFO L168 Benchmark]: Boogie Preprocessor took 63.70 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 17:46:12,487 INFO L168 Benchmark]: RCFGBuilder took 11211.97 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: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:46:12,488 INFO L168 Benchmark]: TraceAbstraction took 28892.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -59.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:46:12,488 INFO L168 Benchmark]: Witness Printer took 150.38 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 17:46:12,494 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 0.27 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 508.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.17 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 63.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11211.97 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: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28892.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -59.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 150.38 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,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[currentRoundingMode,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_~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[currentRoundingMode,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[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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_~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[currentRoundingMode,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[ULTIMATE.start___ieee754_acosf_~hx~1,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[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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_~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[currentRoundingMode,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[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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_~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[currentRoundingMode,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[ULTIMATE.start___ieee754_acosf_~hx~1,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: 173]: 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: 162]: Loop Invariant Derived loop invariant: 1 - 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 17:46:12,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~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]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix) - InvariantResult [Line: 96]: Loop Invariant [2020-07-28 17:46:12,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,537 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && 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: 13]: Loop Invariant [2020-07-28 17:46:12,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:46:12,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:46:12,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,555 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:46:12,555 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-07-28 17:46:12,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~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]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 110 SDtfs, 40 SDslu, 23 SDs, 0 SdLazy, 27 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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, 190 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 5 QuantifiedInterpolants, 2772 SizeOfPredicates, 17 NumberOfNonLiveVariables, 134 ConjunctsInSsa, 20 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! Received shutdown request...