./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0480_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0480_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8015c985f157600a44233f2d61865f454dda9bb9 ........................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0480_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8015c985f157600a44233f2d61865f454dda9bb9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 04:00:33,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:00:33,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:00:33,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:00:33,312 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:00:33,313 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:00:33,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:00:33,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:00:33,319 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:00:33,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:00:33,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:00:33,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:00:33,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:00:33,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:00:33,325 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:00:33,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:00:33,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:00:33,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:00:33,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:00:33,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:00:33,335 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:00:33,336 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:00:33,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:00:33,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:00:33,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:00:33,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:00:33,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:00:33,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:00:33,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:00:33,346 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:00:33,346 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:00:33,347 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:00:33,347 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:00:33,348 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:00:33,349 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:00:33,350 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:00:33,350 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 04:00:33,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:00:33,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:00:33,378 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:00:33,378 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:00:33,378 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:00:33,378 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:00:33,378 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:00:33,378 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 04:00:33,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:00:33,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:00:33,381 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:00:33,381 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:00:33,381 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:00:33,381 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:00:33,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:00:33,383 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:00:33,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:00:33,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:00:33,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:00:33,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:00:33,386 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:00:33,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:00:33,386 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:00:33,386 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:00:33,386 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:00:33,387 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 04:00:33,387 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:00:33,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 04:00:33,388 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8015c985f157600a44233f2d61865f454dda9bb9 [2018-12-31 04:00:33,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:00:33,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:00:33,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:00:33,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:00:33,472 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:00:33,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-12-31 04:00:33,542 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e8b32dc/01f729be2e214187890a70dcfc2b3056/FLAG823bb4f46 [2018-12-31 04:00:34,065 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:00:34,066 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-12-31 04:00:34,075 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e8b32dc/01f729be2e214187890a70dcfc2b3056/FLAG823bb4f46 [2018-12-31 04:00:34,384 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e8b32dc/01f729be2e214187890a70dcfc2b3056 [2018-12-31 04:00:34,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:00:34,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:00:34,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:00:34,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:00:34,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:00:34,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:34,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46622438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34, skipping insertion in model container [2018-12-31 04:00:34,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:34,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:00:34,457 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:00:34,810 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:00:34,820 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:00:34,871 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:00:34,904 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:00:34,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34 WrapperNode [2018-12-31 04:00:34,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:00:34,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:00:34,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:00:34,906 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:00:34,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:34,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:35,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:00:35,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:00:35,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:00:35,059 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:00:35,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:35,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:35,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:35,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:35,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:35,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:35,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... [2018-12-31 04:00:35,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:00:35,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:00:35,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:00:35,129 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:00:35,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:00:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:00:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 04:00:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 04:00:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 04:00:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:00:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:00:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 04:00:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:00:36,224 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:00:36,224 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-12-31 04:00:36,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:36 BoogieIcfgContainer [2018-12-31 04:00:36,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:00:36,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:00:36,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:00:36,230 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:00:36,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:00:34" (1/3) ... [2018-12-31 04:00:36,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5419bc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:00:36, skipping insertion in model container [2018-12-31 04:00:36,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:34" (2/3) ... [2018-12-31 04:00:36,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5419bc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:00:36, skipping insertion in model container [2018-12-31 04:00:36,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:36" (3/3) ... [2018-12-31 04:00:36,234 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480_true-unreach-call.c [2018-12-31 04:00:36,244 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:00:36,253 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:00:36,272 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:00:36,304 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:00:36,304 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:00:36,305 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:00:36,305 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:00:36,305 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:00:36,305 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:00:36,305 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:00:36,305 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:00:36,306 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:00:36,324 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-12-31 04:00:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 04:00:36,330 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:36,331 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:36,334 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:36,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:36,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1036093437, now seen corresponding path program 1 times [2018-12-31 04:00:36,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:00:36,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:00:36,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:00:36,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:36,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:00:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:36,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:36,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:00:36,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:00:36,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:00:36,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:00:36,490 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2018-12-31 04:00:36,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:36,513 INFO L93 Difference]: Finished difference Result 150 states and 248 transitions. [2018-12-31 04:00:36,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:00:36,515 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 04:00:36,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:36,531 INFO L225 Difference]: With dead ends: 150 [2018-12-31 04:00:36,531 INFO L226 Difference]: Without dead ends: 73 [2018-12-31 04:00:36,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:00:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-31 04:00:36,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-31 04:00:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-31 04:00:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2018-12-31 04:00:36,578 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 10 [2018-12-31 04:00:36,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:36,578 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2018-12-31 04:00:36,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:00:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-12-31 04:00:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:00:36,580 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:36,580 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:36,580 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:36,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:36,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1299213760, now seen corresponding path program 1 times [2018-12-31 04:00:36,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:00:36,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:00:36,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:00:36,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:36,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:00:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:00:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:00:36,683 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 04:00:36,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:00:36 BoogieIcfgContainer [2018-12-31 04:00:36,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:00:36,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:00:36,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:00:36,724 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:00:36,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:36" (3/4) ... [2018-12-31 04:00:36,730 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 04:00:36,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:00:36,731 INFO L168 Benchmark]: Toolchain (without parser) took 2340.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -107.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:36,733 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:00:36,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.36 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:36,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:36,736 INFO L168 Benchmark]: Boogie Preprocessor took 70.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:00:36,736 INFO L168 Benchmark]: RCFGBuilder took 1096.25 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:36,737 INFO L168 Benchmark]: TraceAbstraction took 497.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:36,738 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:00:36,743 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.36 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 152.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.10 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 1096.25 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 497.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 182]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 181, overapproximation of someUnaryDOUBLEoperation at line 84, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L81-L88] 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=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L177] float x = 1.0f; [L91] float z, p, q, r, w, s, c, df; [L92] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (x) [L96] EXPR gf_u.word [L96] (hx) = gf_u.word [L98] ix = hx & 0x7fffffff 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] [L99] COND TRUE ix == 0x3f800000 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] [L100] COND TRUE hx > 0 [L101] return 0.0; 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] [L178] float res = __ieee754_acosf(x); [L181] EXPR res == 0.0f && __signbit_float(res) == 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] [L181] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L182] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 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=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 04:00:39,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:00:39,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:00:39,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:00:39,158 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:00:39,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:00:39,161 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:00:39,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:00:39,165 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:00:39,165 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:00:39,166 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:00:39,167 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:00:39,168 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:00:39,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:00:39,172 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:00:39,173 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:00:39,174 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:00:39,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:00:39,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:00:39,185 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:00:39,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:00:39,189 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:00:39,194 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:00:39,196 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:00:39,196 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:00:39,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:00:39,198 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:00:39,199 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:00:39,201 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:00:39,207 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:00:39,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:00:39,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:00:39,208 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:00:39,208 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:00:39,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:00:39,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:00:39,210 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 04:00:39,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:00:39,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:00:39,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:00:39,228 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:00:39,228 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:00:39,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:00:39,229 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:00:39,229 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:00:39,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:00:39,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:00:39,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:00:39,230 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:00:39,230 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 04:00:39,230 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 04:00:39,230 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:00:39,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:00:39,230 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:00:39,231 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:00:39,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:00:39,233 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:00:39,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:00:39,233 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:00:39,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:00:39,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:00:39,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:00:39,235 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:00:39,235 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 04:00:39,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:00:39,235 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 04:00:39,235 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 04:00:39,235 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8015c985f157600a44233f2d61865f454dda9bb9 [2018-12-31 04:00:39,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:00:39,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:00:39,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:00:39,310 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:00:39,310 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:00:39,311 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-12-31 04:00:39,380 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e70d893/4ca1c8db8f974c50a89e31f88657c98e/FLAG34aad5fd3 [2018-12-31 04:00:39,824 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:00:39,828 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-12-31 04:00:39,837 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e70d893/4ca1c8db8f974c50a89e31f88657c98e/FLAG34aad5fd3 [2018-12-31 04:00:40,190 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e70d893/4ca1c8db8f974c50a89e31f88657c98e [2018-12-31 04:00:40,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:00:40,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:00:40,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:00:40,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:00:40,201 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:00:40,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37dca69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40, skipping insertion in model container [2018-12-31 04:00:40,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:00:40,259 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:00:40,576 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:00:40,584 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:00:40,689 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:00:40,742 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:00:40,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40 WrapperNode [2018-12-31 04:00:40,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:00:40,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:00:40,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:00:40,745 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:00:40,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:00:40,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:00:40,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:00:40,918 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:00:40,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... [2018-12-31 04:00:40,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:00:40,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:00:40,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:00:40,991 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:00:40,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:00:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:00:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-31 04:00:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 04:00:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:00:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:00:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-31 04:00:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 04:00:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:00:41,470 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:41,499 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:46,696 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:48,882 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:51,909 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:52,598 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:00:52,599 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-12-31 04:00:52,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:52 BoogieIcfgContainer [2018-12-31 04:00:52,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:00:52,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:00:52,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:00:52,604 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:00:52,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:00:40" (1/3) ... [2018-12-31 04:00:52,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9050ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:00:52, skipping insertion in model container [2018-12-31 04:00:52,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:40" (2/3) ... [2018-12-31 04:00:52,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9050ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:00:52, skipping insertion in model container [2018-12-31 04:00:52,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:52" (3/3) ... [2018-12-31 04:00:52,609 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480_true-unreach-call.c [2018-12-31 04:00:52,620 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:00:52,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:00:52,655 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:00:52,687 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:00:52,688 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:00:52,688 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:00:52,688 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:00:52,688 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:00:52,688 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:00:52,688 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:00:52,689 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:00:52,689 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:00:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-12-31 04:00:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 04:00:52,710 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:52,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:52,714 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:52,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:52,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1036093437, now seen corresponding path program 1 times [2018-12-31 04:00:52,727 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:52,728 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 04:00:52,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:52,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:52,839 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:52,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:52,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:00:52,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:00:52,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:00:52,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:00:52,886 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2018-12-31 04:00:52,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:52,933 INFO L93 Difference]: Finished difference Result 150 states and 248 transitions. [2018-12-31 04:00:52,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:00:52,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 04:00:52,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:52,958 INFO L225 Difference]: With dead ends: 150 [2018-12-31 04:00:52,958 INFO L226 Difference]: Without dead ends: 73 [2018-12-31 04:00:52,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:00:52,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-31 04:00:53,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-31 04:00:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-31 04:00:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2018-12-31 04:00:53,021 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 10 [2018-12-31 04:00:53,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:53,022 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2018-12-31 04:00:53,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:00:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-12-31 04:00:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:00:53,024 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:53,024 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:53,024 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:53,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:53,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1299213760, now seen corresponding path program 1 times [2018-12-31 04:00:53,026 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:53,026 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-12-31 04:00:53,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 04:00:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:53,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:53,183 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:53,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:53,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 04:00:53,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 04:00:53,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 04:00:53,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 04:00:53,199 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 4 states. [2018-12-31 04:01:01,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:01:01,892 INFO L93 Difference]: Finished difference Result 85 states and 112 transitions. [2018-12-31 04:01:02,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 04:01:02,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-12-31 04:01:02,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:01:02,152 INFO L225 Difference]: With dead ends: 85 [2018-12-31 04:01:02,152 INFO L226 Difference]: Without dead ends: 82 [2018-12-31 04:01:02,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:01:02,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-12-31 04:01:02,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 75. [2018-12-31 04:01:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-12-31 04:01:02,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 103 transitions. [2018-12-31 04:01:02,165 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 103 transitions. Word has length 11 [2018-12-31 04:01:02,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:01:02,166 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 103 transitions. [2018-12-31 04:01:02,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 04:01:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-12-31 04:01:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:01:02,167 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:01:02,167 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:01:02,167 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:01:02,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:01:02,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1297366718, now seen corresponding path program 1 times [2018-12-31 04:01:02,169 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:01:02,169 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 04:01:02,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:01:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:01:02,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:01:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:01:02,327 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:01:02,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:01:02,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 04:01:02,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 04:01:02,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 04:01:02,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 04:01:02,344 INFO L87 Difference]: Start difference. First operand 75 states and 103 transitions. Second operand 4 states. [2018-12-31 04:01:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:01:06,128 INFO L93 Difference]: Finished difference Result 93 states and 121 transitions. [2018-12-31 04:01:06,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 04:01:06,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-12-31 04:01:06,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:01:06,277 INFO L225 Difference]: With dead ends: 93 [2018-12-31 04:01:06,277 INFO L226 Difference]: Without dead ends: 60 [2018-12-31 04:01:06,278 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:01:06,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-31 04:01:06,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2018-12-31 04:01:06,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-31 04:01:06,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2018-12-31 04:01:06,288 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 11 [2018-12-31 04:01:06,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:01:06,288 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2018-12-31 04:01:06,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 04:01:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-31 04:01:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:01:06,289 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:01:06,289 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:01:06,289 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:01:06,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:01:06,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1092345056, now seen corresponding path program 1 times [2018-12-31 04:01:06,291 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:01:06,292 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-31 04:01:06,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:01:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:01:06,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:01:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:01:06,639 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:01:06,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:01:06,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 04:01:06,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 04:01:06,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 04:01:06,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:01:06,653 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand 5 states. [2018-12-31 04:01:06,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:01:06,768 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2018-12-31 04:01:06,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 04:01:06,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-12-31 04:01:06,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:01:06,770 INFO L225 Difference]: With dead ends: 58 [2018-12-31 04:01:06,770 INFO L226 Difference]: Without dead ends: 16 [2018-12-31 04:01:06,772 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 04:01:06,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-31 04:01:06,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-31 04:01:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-31 04:01:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-12-31 04:01:06,778 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2018-12-31 04:01:06,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:01:06,779 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-12-31 04:01:06,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 04:01:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-12-31 04:01:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-31 04:01:06,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:01:06,781 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:01:06,781 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:01:06,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:01:06,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1064969237, now seen corresponding path program 1 times [2018-12-31 04:01:06,783 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:01:06,783 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-31 04:01:06,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:01:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:01:06,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:01:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:01:07,222 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:01:07,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:01:07,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-31 04:01:07,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 04:01:07,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 04:01:07,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-31 04:01:07,237 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 8 states. [2018-12-31 04:01:07,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:01:07,563 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-31 04:01:07,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 04:01:07,564 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-12-31 04:01:07,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:01:07,565 INFO L225 Difference]: With dead ends: 16 [2018-12-31 04:01:07,565 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 04:01:07,566 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-12-31 04:01:07,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 04:01:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 04:01:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 04:01:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 04:01:07,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-12-31 04:01:07,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:01:07,567 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 04:01:07,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 04:01:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 04:01:07,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 04:01:07,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 04:01:07,839 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-12-31 04:01:07,839 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2018-12-31 04:01:07,839 INFO L448 ceAbstractionStarter]: For program point L35-5(lines 35 39) no Hoare annotation was computed. [2018-12-31 04:01:07,840 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-31 04:01:07,841 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:01:07,841 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-12-31 04:01:07,841 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2018-12-31 04:01:07,841 INFO L448 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2018-12-31 04:01:07,841 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:01:07,842 INFO L448 ceAbstractionStarter]: For program point L52-5(lines 52 56) no Hoare annotation was computed. [2018-12-31 04:01:07,842 INFO L448 ceAbstractionStarter]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:01:07,842 INFO L444 ceAbstractionStarter]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2018-12-31 04:01:07,842 INFO L448 ceAbstractionStarter]: For program point L19-7(lines 19 23) no Hoare annotation was computed. [2018-12-31 04:01:07,842 INFO L444 ceAbstractionStarter]: At program point L168(lines 159 169) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (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))))) |ULTIMATE.start_main_#t~short17| (= ULTIMATE.start_main_~res~0 .cse0) (= .cse1 ULTIMATE.start___ieee754_acosf_~x) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)) .cse0) (= ULTIMATE.start___signbit_float_~x .cse0) (= (_ bv0 32) |ULTIMATE.start___signbit_float_#res|) (= .cse0 |ULTIMATE.start___ieee754_acosf_#res|) (= .cse1 (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))))) [2018-12-31 04:01:07,842 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-12-31 04:01:07,843 INFO L444 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: false [2018-12-31 04:01:07,843 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-12-31 04:01:07,843 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 04:01:07,843 INFO L448 ceAbstractionStarter]: For program point L36-7(lines 36 37) no Hoare annotation was computed. [2018-12-31 04:01:07,843 INFO L444 ceAbstractionStarter]: At program point L36-8(lines 36 37) the Hoare annotation is: false [2018-12-31 04:01:07,843 INFO L448 ceAbstractionStarter]: For program point L36-9(lines 36 37) no Hoare annotation was computed. [2018-12-31 04:01:07,843 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 156) no Hoare annotation was computed. [2018-12-31 04:01:07,843 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2018-12-31 04:01:07,845 INFO L444 ceAbstractionStarter]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2018-12-31 04:01:07,845 INFO L451 ceAbstractionStarter]: At program point L186(lines 171 187) the Hoare annotation is: true [2018-12-31 04:01:07,845 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 106) no Hoare annotation was computed. [2018-12-31 04:01:07,845 INFO L444 ceAbstractionStarter]: At program point L155(lines 90 157) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (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))))) (= .cse0 ULTIMATE.start___ieee754_acosf_~x) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) |ULTIMATE.start___ieee754_acosf_#res|) (= .cse0 (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))))) [2018-12-31 04:01:07,845 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-12-31 04:01:07,846 INFO L444 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: false [2018-12-31 04:01:07,846 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-12-31 04:01:07,846 INFO L448 ceAbstractionStarter]: For program point L73-5(lines 73 77) no Hoare annotation was computed. [2018-12-31 04:01:07,846 INFO L444 ceAbstractionStarter]: At program point L73-6(lines 73 77) the Hoare annotation is: false [2018-12-31 04:01:07,846 INFO L448 ceAbstractionStarter]: For program point L73-7(lines 73 77) no Hoare annotation was computed. [2018-12-31 04:01:07,846 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 156) no Hoare annotation was computed. [2018-12-31 04:01:07,846 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 04:01:07,847 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 145) no Hoare annotation was computed. [2018-12-31 04:01:07,848 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-12-31 04:01:07,848 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 131 156) no Hoare annotation was computed. [2018-12-31 04:01:07,848 INFO L448 ceAbstractionStarter]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2018-12-31 04:01:07,848 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-31 04:01:07,848 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-31 04:01:07,848 INFO L448 ceAbstractionStarter]: For program point L42-3(lines 42 43) no Hoare annotation was computed. [2018-12-31 04:01:07,849 INFO L448 ceAbstractionStarter]: For program point L42-5(lines 42 43) no Hoare annotation was computed. [2018-12-31 04:01:07,849 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-31 04:01:07,849 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 26 27) no Hoare annotation was computed. [2018-12-31 04:01:07,849 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2018-12-31 04:01:07,849 INFO L444 ceAbstractionStarter]: At program point L93-2(lines 93 97) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) ULTIMATE.start___ieee754_acosf_~x) [2018-12-31 04:01:07,849 INFO L448 ceAbstractionStarter]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2018-12-31 04:01:07,849 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-31 04:01:07,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 04:01:07,850 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2018-12-31 04:01:07,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2018-12-31 04:01:07,850 INFO L444 ceAbstractionStarter]: At program point L78(lines 14 79) the Hoare annotation is: false [2018-12-31 04:01:07,850 INFO L444 ceAbstractionStarter]: At program point L78-1(lines 14 79) the Hoare annotation is: false [2018-12-31 04:01:07,850 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-31 04:01:07,850 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 29 30) no Hoare annotation was computed. [2018-12-31 04:01:07,851 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 162 166) no Hoare annotation was computed. [2018-12-31 04:01:07,851 INFO L444 ceAbstractionStarter]: At program point L162-2(lines 162 166) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (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))))) |ULTIMATE.start_main_#t~short17| (= ULTIMATE.start_main_~res~0 .cse0) (= .cse1 ULTIMATE.start___ieee754_acosf_~x) (= ULTIMATE.start___signbit_float_~x .cse0) (= .cse0 |ULTIMATE.start___ieee754_acosf_#res|) (= .cse1 (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))))) [2018-12-31 04:01:07,851 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-31 04:01:07,851 INFO L448 ceAbstractionStarter]: For program point L162-3(lines 162 166) no Hoare annotation was computed. [2018-12-31 04:01:07,851 INFO L448 ceAbstractionStarter]: For program point L63-2(lines 63 69) no Hoare annotation was computed. [2018-12-31 04:01:07,851 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-31 04:01:07,855 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2018-12-31 04:01:07,855 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-12-31 04:01:07,855 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 04:01:07,855 INFO L448 ceAbstractionStarter]: For program point L65-3(lines 65 68) no Hoare annotation was computed. [2018-12-31 04:01:07,855 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-31 04:01:07,856 INFO L448 ceAbstractionStarter]: For program point L181-2(lines 181 184) no Hoare annotation was computed. [2018-12-31 04:01:07,856 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 106) no Hoare annotation was computed. [2018-12-31 04:01:07,856 INFO L448 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-12-31 04:01:07,856 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: false [2018-12-31 04:01:07,856 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-12-31 04:01:07,856 INFO L444 ceAbstractionStarter]: At program point L50-6(lines 50 59) the Hoare annotation is: false [2018-12-31 04:01:07,856 INFO L448 ceAbstractionStarter]: For program point L50-7(lines 14 79) no Hoare annotation was computed. [2018-12-31 04:01:07,856 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 103) no Hoare annotation was computed. [2018-12-31 04:01:07,859 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-12-31 04:01:07,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,874 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,882 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,883 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,883 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,884 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,884 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,884 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,884 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,887 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,888 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,889 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,889 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,890 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,890 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,891 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,891 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,891 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,893 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,896 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,897 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,898 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,900 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,900 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,900 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,903 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,904 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,904 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,904 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,904 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,905 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,905 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,905 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,905 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,907 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,908 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:07,911 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,912 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,912 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,912 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,912 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:07,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:01:07 BoogieIcfgContainer [2018-12-31 04:01:07,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:01:07,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:01:07,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:01:07,918 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:01:07,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:52" (3/4) ... [2018-12-31 04:01:07,926 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 04:01:07,944 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 04:01:07,945 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-31 04:01:07,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0])) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-12-31 04:01:07,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~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])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && res == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x) && x == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-12-31 04:01:07,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~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])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && res == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && x == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && 0bv32 == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-12-31 04:01:08,069 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 04:01:08,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:01:08,076 INFO L168 Benchmark]: Toolchain (without parser) took 27881.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 954.0 MB in the beginning and 919.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:01:08,079 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:01:08,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.49 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 937.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:01:08,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-31 04:01:08,080 INFO L168 Benchmark]: Boogie Preprocessor took 72.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:01:08,083 INFO L168 Benchmark]: RCFGBuilder took 11608.40 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: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:01:08,084 INFO L168 Benchmark]: TraceAbstraction took 15317.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.9 MB in the end (delta: 132.6 MB). Peak memory consumption was 132.6 MB. Max. memory is 11.5 GB. [2018-12-31 04:01:08,084 INFO L168 Benchmark]: Witness Printer took 157.16 ms. Allocated memory is still 1.2 GB. Free memory was 932.9 MB in the beginning and 919.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:01:08,088 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 546.49 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 937.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 173.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.97 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 11608.40 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: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15317.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.9 MB in the end (delta: 132.6 MB). Peak memory consumption was 132.6 MB. Max. memory is 11.5 GB. * Witness Printer took 157.16 ms. Allocated memory is still 1.2 GB. Free memory was 932.9 MB in the beginning and 919.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 182]: 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: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant [2018-12-31 04:01:08,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,112 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,113 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,113 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,113 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,113 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,114 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0])) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 93]: Loop Invariant [2018-12-31 04:01:08,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant [2018-12-31 04:01:08,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,119 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,122 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,122 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,122 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,124 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,129 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,129 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,130 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,130 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,130 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,130 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~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])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && res == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && x == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && 0bv32 == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 162]: Loop Invariant [2018-12-31 04:01:08,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,131 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,135 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,135 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,135 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,136 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,136 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,136 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,136 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,137 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,137 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,137 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,137 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2018-12-31 04:01:08,140 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,140 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,140 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,140 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:01:08,141 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~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])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && res == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x) && x == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. SAFE Result, 15.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 13.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 282 SDtfs, 184 SDslu, 248 SDs, 0 SdLazy, 40 SolverSat, 8 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 21 NumberOfFragments, 173 HoareAnnotationTreeSize, 16 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 53 ConstructedInterpolants, 1 QuantifiedInterpolants, 1943 SizeOfPredicates, 18 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...