./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0490b.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 2da48247b776e6180d2b605d662157645a3da524 ............................................................................................................................................................................................................................................................................................. 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 -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_0490b.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 2da48247b776e6180d2b605d662157645a3da524 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:46:42,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:46:42,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:46:42,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:46:42,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:46:42,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:46:42,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:46:42,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:46:42,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:46:42,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:46:42,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:46:42,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:46:42,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:46:42,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:46:42,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:46:42,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:46:42,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:46:42,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:46:42,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:46:42,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:46:42,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:46:42,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:46:42,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:46:42,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:46:42,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:46:42,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:46:42,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:46:42,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:46:42,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:46:42,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:46:42,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:46:42,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:46:42,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:46:42,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:46:42,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:46:42,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:46:42,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:46:42,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:46:42,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:46:42,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:46:42,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:46:42,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:46:42,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:46:42,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:46:42,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:46:42,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:46:42,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:46:42,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:46:42,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:46:42,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:46:42,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:46:42,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:46:42,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:46:42,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:46:42,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:46:42,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:46:42,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:46:42,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:46:42,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:46:42,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:46:42,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:46:42,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:46:42,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:46:42,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:46:42,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:46:42,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:46:42,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:46:42,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:46:42,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:46:42,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:46:42,275 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 -> 2da48247b776e6180d2b605d662157645a3da524 [2019-11-27 23:46:42,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:46:42,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:46:42,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:46:42,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:46:42,615 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:46:42,616 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2019-11-27 23:46:42,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a0e47d3/09d795dc8cf24ab8bf89f956fcb776a9/FLAG51a03bc2c [2019-11-27 23:46:43,153 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:46:43,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2019-11-27 23:46:43,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a0e47d3/09d795dc8cf24ab8bf89f956fcb776a9/FLAG51a03bc2c [2019-11-27 23:46:43,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a0e47d3/09d795dc8cf24ab8bf89f956fcb776a9 [2019-11-27 23:46:43,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:46:43,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:46:43,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:43,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:46:43,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:46:43,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:43" (1/1) ... [2019-11-27 23:46:43,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fcca56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:43, skipping insertion in model container [2019-11-27 23:46:43,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:43" (1/1) ... [2019-11-27 23:46:43,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:46:43,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:46:43,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:43,957 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:46:44,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:44,116 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:46:44,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44 WrapperNode [2019-11-27 23:46:44,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:44,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:44,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:46:44,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:46:44,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:44,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:46:44,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:46:44,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:46:44,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (1/1) ... [2019-11-27 23:46:44,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:46:44,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:46:44,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:46:44,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:46:44,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (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 [2019-11-27 23:46:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:46:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:46:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:46:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:46:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:46:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:46:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:46:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:46:44,953 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:46:44,953 INFO L297 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-27 23:46:44,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:44 BoogieIcfgContainer [2019-11-27 23:46:44,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:46:44,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:46:44,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:46:44,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:46:44,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:46:43" (1/3) ... [2019-11-27 23:46:44,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78062490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:44, skipping insertion in model container [2019-11-27 23:46:44,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:44" (2/3) ... [2019-11-27 23:46:44,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78062490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:44, skipping insertion in model container [2019-11-27 23:46:44,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:44" (3/3) ... [2019-11-27 23:46:44,965 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490b.c [2019-11-27 23:46:44,975 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:46:44,984 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:46:44,998 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:46:45,026 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:46:45,027 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:46:45,027 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:46:45,027 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:46:45,028 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:46:45,028 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:46:45,028 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:46:45,028 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:46:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2019-11-27 23:46:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:46:45,055 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:45,056 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:45,057 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:45,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:45,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2019-11-27 23:46:45,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:46:45,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004771179] [2019-11-27 23:46:45,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:46:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:45,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004771179] [2019-11-27 23:46:45,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:46:45,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:46:45,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306633] [2019-11-27 23:46:45,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:46:45,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:46:45,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:46:45,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:46:45,226 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2019-11-27 23:46:45,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:46:45,254 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2019-11-27 23:46:45,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:46:45,256 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-27 23:46:45,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:46:45,268 INFO L225 Difference]: With dead ends: 142 [2019-11-27 23:46:45,269 INFO L226 Difference]: Without dead ends: 69 [2019-11-27 23:46:45,272 INFO L630 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 [2019-11-27 23:46:45,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-27 23:46:45,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-11-27 23:46:45,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-27 23:46:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2019-11-27 23:46:45,315 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2019-11-27 23:46:45,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:46:45,316 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2019-11-27 23:46:45,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:46:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2019-11-27 23:46:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:46:45,317 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:45,317 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:45,317 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:45,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:45,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2019-11-27 23:46:45,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:46:45,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193195968] [2019-11-27 23:46:45,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:46:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:46:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:46:45,455 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:46:45,456 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:46:45,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:46:45 BoogieIcfgContainer [2019-11-27 23:46:45,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:46:45,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:46:45,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:46:45,496 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:46:45,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:44" (3/4) ... [2019-11-27 23:46:45,501 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:46:45,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:46:45,504 INFO L168 Benchmark]: Toolchain (without parser) took 1955.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -93.1 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:45,504 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:45,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:45,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.98 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:45,507 INFO L168 Benchmark]: Boogie Preprocessor took 48.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:45,507 INFO L168 Benchmark]: RCFGBuilder took 714.83 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: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:45,508 INFO L168 Benchmark]: TraceAbstraction took 538.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:45,509 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:45,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 567.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.98 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 714.83 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: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 538.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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=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] [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=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L97] ieee_float_shape_type gf_u; [L98] gf_u.value = (x) [L99] EXPR gf_u.word [L99] (hx) = gf_u.word [L101] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L102] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=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=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] [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. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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, 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 0.1.24-30f4e4a [2019-11-27 23:46:47,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:46:47,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:46:47,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:46:47,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:46:47,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:46:47,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:46:47,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:46:47,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:46:47,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:46:47,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:46:47,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:46:47,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:46:47,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:46:47,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:46:47,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:46:47,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:46:47,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:46:47,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:46:47,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:46:47,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:46:47,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:46:47,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:46:47,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:46:47,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:46:47,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:46:47,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:46:47,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:46:47,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:46:47,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:46:47,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:46:47,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:46:47,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:46:47,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:46:47,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:46:47,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:46:47,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:46:47,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:46:47,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:46:47,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:46:47,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:46:47,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:46:47,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:46:47,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:46:47,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:46:47,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:46:47,447 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:46:47,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:46:47,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:46:47,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:46:47,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:46:47,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:46:47,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:46:47,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:46:47,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:46:47,449 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:46:47,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:46:47,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:46:47,450 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:46:47,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:46:47,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:46:47,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:46:47,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:46:47,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:46:47,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:46:47,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:46:47,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:46:47,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:46:47,453 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:46:47,453 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:46:47,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:46:47,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:46:47,454 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 -> 2da48247b776e6180d2b605d662157645a3da524 [2019-11-27 23:46:47,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:46:47,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:46:47,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:46:47,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:46:47,807 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:46:47,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2019-11-27 23:46:47,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33c200ce/b8ed01c2925541698784e5117b91c531/FLAG0dd59048c [2019-11-27 23:46:48,292 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:46:48,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2019-11-27 23:46:48,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33c200ce/b8ed01c2925541698784e5117b91c531/FLAG0dd59048c [2019-11-27 23:46:48,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33c200ce/b8ed01c2925541698784e5117b91c531 [2019-11-27 23:46:48,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:46:48,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:46:48,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:48,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:46:48,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:46:48,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:48" (1/1) ... [2019-11-27 23:46:48,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:48, skipping insertion in model container [2019-11-27 23:46:48,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:48" (1/1) ... [2019-11-27 23:46:48,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:46:48,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:46:49,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:49,198 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:46:49,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:49,302 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:46:49,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49 WrapperNode [2019-11-27 23:46:49,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:49,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:49,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:46:49,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:46:49,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:49,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:46:49,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:46:49,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:46:49,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (1/1) ... [2019-11-27 23:46:49,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:46:49,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:46:49,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:46:49,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:46:49,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (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 [2019-11-27 23:46:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:46:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-27 23:46:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:46:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:46:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:46:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-27 23:46:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:46:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:47:00,488 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:47:00,489 INFO L297 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-27 23:47:00,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:00 BoogieIcfgContainer [2019-11-27 23:47:00,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:47:00,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:47:00,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:47:00,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:47:00,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:46:48" (1/3) ... [2019-11-27 23:47:00,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e7d365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:47:00, skipping insertion in model container [2019-11-27 23:47:00,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:49" (2/3) ... [2019-11-27 23:47:00,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e7d365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:47:00, skipping insertion in model container [2019-11-27 23:47:00,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:00" (3/3) ... [2019-11-27 23:47:00,500 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490b.c [2019-11-27 23:47:00,511 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:47:00,519 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:47:00,531 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:47:00,554 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:47:00,554 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:47:00,554 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:47:00,555 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:47:00,555 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:47:00,555 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:47:00,555 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:47:00,555 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:47:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2019-11-27 23:47:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:47:00,578 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:47:00,579 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:47:00,580 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:47:00,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:47:00,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2019-11-27 23:47:00,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:47:00,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861113480] [2019-11-27 23:47:00,597 INFO L94 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 [2019-11-27 23:47:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:47:01,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:47:01,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:47:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:01,138 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:47:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:01,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861113480] [2019-11-27 23:47:01,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:47:01,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:47:01,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155806667] [2019-11-27 23:47:01,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:47:01,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:47:01,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:47:01,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:47:01,162 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2019-11-27 23:47:01,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:47:01,186 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2019-11-27 23:47:01,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:47:01,188 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-27 23:47:01,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:47:01,200 INFO L225 Difference]: With dead ends: 142 [2019-11-27 23:47:01,200 INFO L226 Difference]: Without dead ends: 69 [2019-11-27 23:47:01,204 INFO L630 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 [2019-11-27 23:47:01,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-27 23:47:01,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-11-27 23:47:01,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-27 23:47:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2019-11-27 23:47:01,245 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2019-11-27 23:47:01,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:47:01,245 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2019-11-27 23:47:01,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:47:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2019-11-27 23:47:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:47:01,246 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:47:01,246 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:47:01,450 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:47:01,451 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:47:01,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:47:01,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2019-11-27 23:47:01,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:47:01,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889315947] [2019-11-27 23:47:01,454 INFO L94 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 [2019-11-27 23:47:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:47:02,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:47:02,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:47:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:02,157 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:47:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:02,264 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889315947] [2019-11-27 23:47:02,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:47:02,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:47:02,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580484877] [2019-11-27 23:47:02,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:47:02,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:47:02,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:47:02,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:47:02,268 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand 8 states. [2019-11-27 23:47:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:47:02,775 INFO L93 Difference]: Finished difference Result 74 states and 100 transitions. [2019-11-27 23:47:02,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:47:02,777 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-27 23:47:02,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:47:02,778 INFO L225 Difference]: With dead ends: 74 [2019-11-27 23:47:02,778 INFO L226 Difference]: Without dead ends: 12 [2019-11-27 23:47:02,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:47:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-27 23:47:02,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-27 23:47:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-27 23:47:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-27 23:47:02,784 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2019-11-27 23:47:02,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:47:02,784 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-27 23:47:02,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:47:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-27 23:47:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:47:02,785 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:47:02,785 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:47:02,999 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:47:03,000 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:47:03,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:47:03,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1092362962, now seen corresponding path program 1 times [2019-11-27 23:47:03,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:47:03,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139184384] [2019-11-27 23:47:03,003 INFO L94 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 [2019-11-27 23:47:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:47:03,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 23:47:03,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:47:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:03,835 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:47:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:04,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139184384] [2019-11-27 23:47:04,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:47:04,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-11-27 23:47:04,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311766363] [2019-11-27 23:47:04,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 23:47:04,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:47:04,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 23:47:04,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-27 23:47:04,423 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 9 states. [2019-11-27 23:47:05,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:47:05,258 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-27 23:47:05,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-27 23:47:05,258 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2019-11-27 23:47:05,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:47:05,259 INFO L225 Difference]: With dead ends: 12 [2019-11-27 23:47:05,259 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:47:05,261 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-27 23:47:05,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:47:05,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:47:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:47:05,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:47:05,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-27 23:47:05,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:47:05,262 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:47:05,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 23:47:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:47:05,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:47:05,471 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:47:05,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:47:05,729 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-11-27 23:47:05,880 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-11-27 23:47:05,884 INFO L246 CegarLoopResult]: For program point L68-3(lines 68 71) no Hoare annotation was computed. [2019-11-27 23:47:05,885 INFO L246 CegarLoopResult]: For program point L102(lines 102 109) no Hoare annotation was computed. [2019-11-27 23:47:05,885 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:47:05,885 INFO L242 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-27 23:47:05,885 INFO L246 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-27 23:47:05,886 INFO L242 CegarLoopResult]: At program point L53-6(lines 53 62) the Hoare annotation is: false [2019-11-27 23:47:05,886 INFO L246 CegarLoopResult]: For program point L53-7(lines 17 82) no Hoare annotation was computed. [2019-11-27 23:47:05,886 INFO L246 CegarLoopResult]: For program point L103(lines 103 106) no Hoare annotation was computed. [2019-11-27 23:47:05,886 INFO L246 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:47:05,886 INFO L246 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:47:05,887 INFO L246 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:47:05,887 INFO L246 CegarLoopResult]: For program point L38-5(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:47:05,887 INFO L246 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:47:05,887 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:47:05,887 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:47:05,887 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-11-27 23:47:05,888 INFO L246 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:47:05,888 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:47:05,888 INFO L246 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:47:05,888 INFO L246 CegarLoopResult]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:47:05,888 INFO L242 CegarLoopResult]: At program point L22-6(lines 22 26) the Hoare annotation is: false [2019-11-27 23:47:05,888 INFO L246 CegarLoopResult]: For program point L22-7(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:47:05,889 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:47:05,889 INFO L242 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-27 23:47:05,889 INFO L246 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:47:05,889 INFO L246 CegarLoopResult]: For program point L39-7(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:47:05,889 INFO L242 CegarLoopResult]: At program point L39-8(lines 39 40) the Hoare annotation is: false [2019-11-27 23:47:05,889 INFO L246 CegarLoopResult]: For program point L39-9(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:47:05,890 INFO L246 CegarLoopResult]: For program point L122(lines 122 159) no Hoare annotation was computed. [2019-11-27 23:47:05,890 INFO L246 CegarLoopResult]: For program point L172(lines 172 175) no Hoare annotation was computed. [2019-11-27 23:47:05,890 INFO L246 CegarLoopResult]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2019-11-27 23:47:05,890 INFO L242 CegarLoopResult]: At program point L139-2(lines 139 143) the Hoare annotation is: false [2019-11-27 23:47:05,890 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-27 23:47:05,891 INFO L246 CegarLoopResult]: For program point L107(lines 107 109) no Hoare annotation was computed. [2019-11-27 23:47:05,891 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:47:05,891 INFO L242 CegarLoopResult]: At program point L158(lines 93 160) the Hoare annotation is: (and (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 (fp.neg ((_ 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))) (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (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 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x))) [2019-11-27 23:47:05,891 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:47:05,892 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-27 23:47:05,892 INFO L246 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:47:05,892 INFO L246 CegarLoopResult]: For program point L76-5(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:47:05,892 INFO L242 CegarLoopResult]: At program point L76-6(lines 76 80) the Hoare annotation is: false [2019-11-27 23:47:05,892 INFO L246 CegarLoopResult]: For program point L76-7(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:47:05,892 INFO L246 CegarLoopResult]: For program point L110(lines 110 159) no Hoare annotation was computed. [2019-11-27 23:47:05,893 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:47:05,893 INFO L249 CegarLoopResult]: At program point L177(lines 162 178) the Hoare annotation is: true [2019-11-27 23:47:05,893 INFO L246 CegarLoopResult]: For program point L144(lines 144 148) no Hoare annotation was computed. [2019-11-27 23:47:05,893 INFO L246 CegarLoopResult]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-11-27 23:47:05,893 INFO L246 CegarLoopResult]: For program point L144-1(lines 134 159) no Hoare annotation was computed. [2019-11-27 23:47:05,893 INFO L246 CegarLoopResult]: For program point L144-2(lines 144 148) no Hoare annotation was computed. [2019-11-27 23:47:05,894 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:47:05,894 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:47:05,894 INFO L246 CegarLoopResult]: For program point L45-3(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:47:05,894 INFO L246 CegarLoopResult]: For program point L45-5(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:47:05,894 INFO L246 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-27 23:47:05,894 INFO L246 CegarLoopResult]: For program point L29-1(lines 29 30) no Hoare annotation was computed. [2019-11-27 23:47:05,895 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (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 (fp.neg ((_ 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))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (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 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x))) [2019-11-27 23:47:05,895 INFO L246 CegarLoopResult]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2019-11-27 23:47:05,895 INFO L242 CegarLoopResult]: At program point L96-2(lines 96 100) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x))) [2019-11-27 23:47:05,896 INFO L246 CegarLoopResult]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2019-11-27 23:47:05,896 INFO L246 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-27 23:47:05,896 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2019-11-27 23:47:05,896 INFO L242 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-11-27 23:47:05,896 INFO L242 CegarLoopResult]: At program point L81-1(lines 17 82) the Hoare annotation is: false [2019-11-27 23:47:05,897 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-27 23:47:05,897 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:47:05,897 INFO L246 CegarLoopResult]: For program point L32-1(lines 32 33) no Hoare annotation was computed. [2019-11-27 23:47:05,897 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2019-11-27 23:47:05,897 INFO L246 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-27 23:47:05,897 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 72) no Hoare annotation was computed. [2019-11-27 23:47:05,898 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-27 23:47:05,898 INFO L246 CegarLoopResult]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2019-11-27 23:47:05,898 INFO L246 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-27 23:47:05,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:05,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:05,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:05,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:05,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:05,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:05,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:05,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:05,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:05,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:47:05 BoogieIcfgContainer [2019-11-27 23:47:05,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:47:05,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:47:05,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:47:05,956 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:47:05,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:47:00" (3/4) ... [2019-11-27 23:47:05,960 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:47:05,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-27 23:47:05,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-27 23:47:05,978 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:47:06,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-11-27 23:47:06,010 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-11-27 23:47:06,011 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix) && 1bv32 == \result) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-11-27 23:47:06,111 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:47:06,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:47:06,113 INFO L168 Benchmark]: Toolchain (without parser) took 17402.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 957.7 MB in the beginning and 901.6 MB in the end (delta: 56.1 MB). Peak memory consumption was 157.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:06,113 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:47:06,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:06,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.49 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. [2019-11-27 23:47:06,115 INFO L168 Benchmark]: Boogie Preprocessor took 83.67 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. [2019-11-27 23:47:06,115 INFO L168 Benchmark]: RCFGBuilder took 11036.94 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: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:06,116 INFO L168 Benchmark]: TraceAbstraction took 5461.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 908.3 MB in the end (delta: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:06,116 INFO L168 Benchmark]: Witness Printer took 155.99 ms. Allocated memory is still 1.1 GB. Free memory was 908.3 MB in the beginning and 901.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:06,118 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.49 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 83.67 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 11036.94 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: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5461.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 908.3 MB in the end (delta: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 11.5 GB. * Witness Printer took 155.99 ms. Allocated memory is still 1.1 GB. Free memory was 908.3 MB in the beginning and 901.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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 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 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 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[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 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 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 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 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] * 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 [2019-11-27 23:47:06,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:06,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 96]: Loop Invariant [2019-11-27 23:47:06,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:06,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - 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 [2019-11-27 23:47:06,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:06,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:06,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:06,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:06,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix) && 1bv32 == \result) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Result: SAFE, OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 110 SDtfs, 52 SDslu, 26 SDs, 0 SdLazy, 31 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s 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, 205 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 27 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 5 QuantifiedInterpolants, 2922 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...