./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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/floats-cbmc-regression/float20_true-unreach-call_true-termination.i -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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 ..................................................................................................................................................................................................................... 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/floats-cbmc-regression/float20_true-unreach-call_true-termination.i -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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:56:03,386 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:56:03,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:56:03,400 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:56:03,401 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:56:03,402 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:56:03,403 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:56:03,405 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:56:03,407 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:56:03,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:56:03,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:56:03,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:56:03,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:56:03,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:56:03,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:56:03,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:56:03,414 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:56:03,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:56:03,418 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:56:03,420 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:56:03,421 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:56:03,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:56:03,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:56:03,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:56:03,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:56:03,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:56:03,428 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:56:03,429 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:56:03,429 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:56:03,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:56:03,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:56:03,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:56:03,432 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:56:03,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:56:03,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:56:03,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:56:03,435 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:56:03,460 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:56:03,461 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:56:03,464 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:56:03,468 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:56:03,468 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:56:03,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:56:03,469 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:56:03,469 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:56:03,469 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:56:03,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:56:03,470 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:56:03,470 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:56:03,470 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:56:03,470 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:56:03,470 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:56:03,471 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:56:03,473 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:56:03,473 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:56:03,474 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:56:03,474 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:56:03,474 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:56:03,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:56:03,474 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:56:03,475 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:56:03,475 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:56:03,475 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:56:03,475 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:56:03,475 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:56:03,475 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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2019-01-12 07:56:03,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:56:03,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:56:03,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:56:03,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:56:03,562 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:56:03,562 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2019-01-12 07:56:03,623 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4540af7fe/1088859e08ec4faaa1d8df4b48d0c821/FLAG0034f0070 [2019-01-12 07:56:04,029 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:56:04,029 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2019-01-12 07:56:04,035 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4540af7fe/1088859e08ec4faaa1d8df4b48d0c821/FLAG0034f0070 [2019-01-12 07:56:04,423 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4540af7fe/1088859e08ec4faaa1d8df4b48d0c821 [2019-01-12 07:56:04,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:56:04,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:56:04,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:04,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:56:04,433 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:56:04,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04, skipping insertion in model container [2019-01-12 07:56:04,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:56:04,467 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:56:04,751 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:56:04,755 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:56:04,788 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:56:04,808 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:56:04,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04 WrapperNode [2019-01-12 07:56:04,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:04,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:56:04,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:56:04,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:56:04,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:56:04,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:56:04,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:56:04,861 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:56:04,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:05,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:05,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:05,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:56:05,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:56:05,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:56:05,018 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:56:05,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:56:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:56:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:56:05,374 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:56:05,374 INFO L286 CfgBuilder]: Removed 10 assue(true) statements. [2019-01-12 07:56:05,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:05 BoogieIcfgContainer [2019-01-12 07:56:05,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:56:05,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:56:05,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:56:05,393 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:56:05,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:56:04" (1/3) ... [2019-01-12 07:56:05,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5449c459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:56:05, skipping insertion in model container [2019-01-12 07:56:05,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (2/3) ... [2019-01-12 07:56:05,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5449c459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:56:05, skipping insertion in model container [2019-01-12 07:56:05,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:05" (3/3) ... [2019-01-12 07:56:05,404 INFO L112 eAbstractionObserver]: Analyzing ICFG float20_true-unreach-call_true-termination.i [2019-01-12 07:56:05,429 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:56:05,436 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 07:56:05,452 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 07:56:05,488 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:56:05,489 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:56:05,489 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:56:05,489 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:56:05,489 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:56:05,489 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:56:05,490 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:56:05,490 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:56:05,490 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:56:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-01-12 07:56:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-12 07:56:05,512 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:05,514 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-12 07:56:05,516 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:05,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:05,525 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-01-12 07:56:05,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 07:56:05,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 07:56:05,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:56:05,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:05,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:56:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:56:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:56:05,645 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:56:05,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:56:05 BoogieIcfgContainer [2019-01-12 07:56:05,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:56:05,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:56:05,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:56:05,663 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:56:05,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:05" (3/4) ... [2019-01-12 07:56:05,668 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 07:56:05,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:56:05,669 INFO L168 Benchmark]: Toolchain (without parser) took 1242.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:05,672 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:05,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:05,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.88 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:05,678 INFO L168 Benchmark]: Boogie Preprocessor took 156.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -217.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:05,679 INFO L168 Benchmark]: RCFGBuilder took 358.90 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:05,683 INFO L168 Benchmark]: TraceAbstraction took 278.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:05,684 INFO L168 Benchmark]: Witness Printer took 5.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:05,695 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 379.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.88 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 156.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -217.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 358.90 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 278.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.95 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 7, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L37] float f=__VERIFIER_nondet_float(); [L7] float modifier = (0x1.0p-23 * (1<<1)); [L8] float ulpdiff = min * modifier; [L10] COND TRUE !(ulpdiff == 0x1p-126f) [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 0.1.24-0ed9222-m [2019-01-12 07:56:08,038 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:56:08,040 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:56:08,052 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:56:08,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:56:08,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:56:08,055 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:56:08,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:56:08,059 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:56:08,060 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:56:08,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:56:08,061 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:56:08,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:56:08,063 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:56:08,064 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:56:08,065 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:56:08,066 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:56:08,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:56:08,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:56:08,072 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:56:08,073 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:56:08,074 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:56:08,077 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:56:08,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:56:08,078 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:56:08,079 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:56:08,080 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:56:08,081 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:56:08,082 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:56:08,083 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:56:08,083 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:56:08,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:56:08,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:56:08,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:56:08,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:56:08,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:56:08,089 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:56:08,106 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:56:08,106 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:56:08,107 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:56:08,107 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:56:08,108 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:56:08,108 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:56:08,108 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:56:08,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:56:08,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:56:08,109 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:56:08,109 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:56:08,109 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:56:08,109 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:56:08,109 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:56:08,109 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:56:08,110 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:56:08,110 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:56:08,110 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:56:08,110 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:56:08,110 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:56:08,111 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:56:08,111 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:56:08,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:56:08,111 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:56:08,111 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:56:08,111 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:56:08,112 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:56:08,112 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:56:08,112 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:56:08,112 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:56:08,112 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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2019-01-12 07:56:08,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:56:08,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:56:08,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:56:08,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:56:08,169 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:56:08,170 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2019-01-12 07:56:08,235 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0f9b67b/f86cb5e5ca8b41e0a2ca6a8d50e3c4f4/FLAGf7d549905 [2019-01-12 07:56:08,640 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:56:08,641 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2019-01-12 07:56:08,647 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0f9b67b/f86cb5e5ca8b41e0a2ca6a8d50e3c4f4/FLAGf7d549905 [2019-01-12 07:56:09,024 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0f9b67b/f86cb5e5ca8b41e0a2ca6a8d50e3c4f4 [2019-01-12 07:56:09,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:56:09,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:56:09,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:09,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:56:09,035 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:56:09,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ffafd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09, skipping insertion in model container [2019-01-12 07:56:09,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:56:09,074 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:56:09,336 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:56:09,350 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:56:09,394 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:56:09,416 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:56:09,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09 WrapperNode [2019-01-12 07:56:09,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:09,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:56:09,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:56:09,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:56:09,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:56:09,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:56:09,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:56:09,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:56:09,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:56:09,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:56:09,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:56:09,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:56:09,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:56:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:56:09,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:56:10,600 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:56:10,600 INFO L286 CfgBuilder]: Removed 10 assue(true) statements. [2019-01-12 07:56:10,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:10 BoogieIcfgContainer [2019-01-12 07:56:10,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:56:10,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:56:10,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:56:10,607 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:56:10,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:56:09" (1/3) ... [2019-01-12 07:56:10,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ac0551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:56:10, skipping insertion in model container [2019-01-12 07:56:10,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09" (2/3) ... [2019-01-12 07:56:10,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ac0551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:56:10, skipping insertion in model container [2019-01-12 07:56:10,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:10" (3/3) ... [2019-01-12 07:56:10,613 INFO L112 eAbstractionObserver]: Analyzing ICFG float20_true-unreach-call_true-termination.i [2019-01-12 07:56:10,623 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:56:10,632 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 07:56:10,651 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 07:56:10,695 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:56:10,696 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:56:10,696 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:56:10,697 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:56:10,697 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:56:10,697 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:56:10,697 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:56:10,698 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:56:10,698 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:56:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-01-12 07:56:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-12 07:56:10,724 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:10,726 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-12 07:56:10,728 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:10,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:10,738 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-01-12 07:56:10,741 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:10,742 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 [2019-01-12 07:56:10,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:10,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:11,166 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-12 07:56:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:11,225 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:11,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:11,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:11,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:11,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:11,256 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-01-12 07:56:11,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:11,302 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2019-01-12 07:56:11,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:56:11,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-12 07:56:11,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:11,322 INFO L225 Difference]: With dead ends: 29 [2019-01-12 07:56:11,322 INFO L226 Difference]: Without dead ends: 11 [2019-01-12 07:56:11,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-12 07:56:11,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-12 07:56:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-12 07:56:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2019-01-12 07:56:11,359 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 4 [2019-01-12 07:56:11,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:11,360 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2019-01-12 07:56:11,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:56:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2019-01-12 07:56:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-12 07:56:11,361 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:11,361 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-12 07:56:11,361 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:11,362 INFO L82 PathProgramCache]: Analyzing trace with hash 889630855, now seen corresponding path program 1 times [2019-01-12 07:56:11,362 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:11,362 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) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 07:56:11,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:11,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:14,092 WARN L181 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 19 [2019-01-12 07:56:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:15,286 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:15,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:15,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:15,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:15,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:15,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:15,307 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand 3 states. [2019-01-12 07:56:16,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:16,618 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-01-12 07:56:16,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:56:16,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-12 07:56:16,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:16,653 INFO L225 Difference]: With dead ends: 11 [2019-01-12 07:56:16,653 INFO L226 Difference]: Without dead ends: 9 [2019-01-12 07:56:16,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:16,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-12 07:56:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-12 07:56:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-12 07:56:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2019-01-12 07:56:16,659 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6 [2019-01-12 07:56:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:16,659 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2019-01-12 07:56:16,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:56:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2019-01-12 07:56:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 07:56:16,660 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:16,660 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:56:16,660 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:16,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:16,662 INFO L82 PathProgramCache]: Analyzing trace with hash 236885482, now seen corresponding path program 1 times [2019-01-12 07:56:16,663 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:16,663 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 [2019-01-12 07:56:16,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:16,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:17,253 WARN L181 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-12 07:56:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:17,298 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:17,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:17,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:17,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:17,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:17,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:17,321 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand 3 states. [2019-01-12 07:56:17,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:17,326 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2019-01-12 07:56:17,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:56:17,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-01-12 07:56:17,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:17,326 INFO L225 Difference]: With dead ends: 9 [2019-01-12 07:56:17,327 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 07:56:17,328 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:17,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 07:56:17,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 07:56:17,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 07:56:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 07:56:17,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-01-12 07:56:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:17,330 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 07:56:17,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:56:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 07:56:17,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 07:56:17,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 07:56:17,568 WARN L181 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-12 07:56:22,795 WARN L181 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 27 [2019-01-12 07:56:22,918 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-12 07:56:22,921 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 07:56:22,922 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-01-12 07:56:22,922 INFO L448 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2019-01-12 07:56:22,922 INFO L444 ceAbstractionStarter]: At program point L31-3(lines 26 34) the Hoare annotation is: (exists ((ULTIMATE.start_bug_~min (_ FloatingPoint 8 24))) (and (= (fp.mul roundNearestTiesToEven ULTIMATE.start_bug_~min ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 8388608.0)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32))))) ULTIMATE.start_bug_~ulpdiff~0) (fp.eq ULTIMATE.start_bug_~min ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 340282366920938463463374607431768211456.0))))) [2019-01-12 07:56:22,922 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2019-01-12 07:56:22,923 INFO L448 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2019-01-12 07:56:22,923 INFO L444 ceAbstractionStarter]: At program point L21-3(lines 15 24) the Hoare annotation is: (and (exists ((ULTIMATE.start_bugBrokenOut_~min (_ FloatingPoint 8 24))) (and (fp.eq ULTIMATE.start_bugBrokenOut_~min ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 340282366920938463463374607431768211456.0))) (= ULTIMATE.start_bugBrokenOut_~ulpdiff~1 ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_bugBrokenOut_~min) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 8388608.0)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)))))))))) (exists ((ULTIMATE.start_bug_~min (_ FloatingPoint 8 24))) (and (= (fp.mul roundNearestTiesToEven ULTIMATE.start_bug_~min ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 8388608.0)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32))))) ULTIMATE.start_bug_~ulpdiff~0) (fp.eq ULTIMATE.start_bug_~min ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 340282366920938463463374607431768211456.0)))))) [2019-01-12 07:56:22,925 INFO L444 ceAbstractionStarter]: At program point L46(lines 36 47) the Hoare annotation is: (exists ((ULTIMATE.start_bug_~min (_ FloatingPoint 8 24))) (and (= (fp.mul roundNearestTiesToEven ULTIMATE.start_bug_~min ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 8388608.0)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32))))) ULTIMATE.start_bug_~ulpdiff~0) (fp.eq ULTIMATE.start_bug_~min ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 340282366920938463463374607431768211456.0))))) [2019-01-12 07:56:22,925 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-01-12 07:56:22,925 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-01-12 07:56:22,926 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 07:56:22,927 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 07:56:22,927 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 07:56:22,927 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-01-12 07:56:22,927 INFO L448 ceAbstractionStarter]: For program point L10-1(line 10) no Hoare annotation was computed. [2019-01-12 07:56:22,927 INFO L444 ceAbstractionStarter]: At program point L10-3(lines 5 13) the Hoare annotation is: (exists ((ULTIMATE.start_bug_~min (_ FloatingPoint 8 24))) (and (= (fp.mul roundNearestTiesToEven ULTIMATE.start_bug_~min ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 8388608.0)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32))))) ULTIMATE.start_bug_~ulpdiff~0) (fp.eq ULTIMATE.start_bug_~min ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 340282366920938463463374607431768211456.0))))) [2019-01-12 07:56:22,928 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2019-01-12 07:56:22,937 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,938 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,938 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,938 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,939 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,939 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,939 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,939 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,943 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,944 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,944 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,944 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,944 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,945 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,945 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,945 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,946 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,947 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,947 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,947 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,947 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,948 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,948 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,948 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,949 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,949 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,950 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,950 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,952 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,QUANTIFIED] [2019-01-12 07:56:22,952 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,952 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,953 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,953 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,953 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,QUANTIFIED] [2019-01-12 07:56:22,953 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,954 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,955 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,955 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,955 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,956 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,956 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,956 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,956 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,957 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,958 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,958 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,958 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,959 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,QUANTIFIED] [2019-01-12 07:56:22,960 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,960 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,960 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,960 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,962 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,QUANTIFIED] [2019-01-12 07:56:22,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,963 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,963 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,963 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,963 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,964 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,966 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,966 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,966 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,968 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,969 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,969 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,970 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,970 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,970 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,971 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,973 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,973 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,973 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,975 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,975 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:22,975 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:22,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:56:22 BoogieIcfgContainer [2019-01-12 07:56:22,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:56:22,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:56:22,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:56:22,980 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:56:22,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:10" (3/4) ... [2019-01-12 07:56:22,987 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 07:56:23,000 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 07:56:23,000 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 07:56:23,001 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 07:56:23,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_bug_~min : C_FLOAT :: ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32)))) == ulpdiff && ~fp.eq~DOUBLE(ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456))) [2019-01-12 07:56:23,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_bugBrokenOut_~min : C_FLOAT :: ~fp.eq~DOUBLE(ULTIMATE.start_bugBrokenOut_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456)) && ulpdiff == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ULTIMATE.start_bugBrokenOut_~min), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32))))))) && (\exists ULTIMATE.start_bug_~min : C_FLOAT :: ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32)))) == ulpdiff && ~fp.eq~DOUBLE(ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456))) [2019-01-12 07:56:23,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_bug_~min : C_FLOAT :: ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32)))) == ulpdiff && ~fp.eq~DOUBLE(ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456))) [2019-01-12 07:56:23,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_bug_~min : C_FLOAT :: ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32)))) == ulpdiff && ~fp.eq~DOUBLE(ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456))) [2019-01-12 07:56:23,057 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:56:23,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:56:23,059 INFO L168 Benchmark]: Toolchain (without parser) took 14030.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -97.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:23,060 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:23,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.97 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:23,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:23,063 INFO L168 Benchmark]: Boogie Preprocessor took 90.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:23,064 INFO L168 Benchmark]: RCFGBuilder took 1053.00 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:23,065 INFO L168 Benchmark]: TraceAbstraction took 12376.44 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: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:23,066 INFO L168 Benchmark]: Witness Printer took 77.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:23,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.97 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1053.00 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12376.44 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: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * Witness Printer took 77.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,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_bugBrokenOut_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,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_bug_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,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_bugBrokenOut_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,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_bug_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant [2019-01-12 07:56:23,092 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,096 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,096 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,096 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,097 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,101 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists ULTIMATE.start_bug_~min : C_FLOAT :: ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32)))) == ulpdiff && ~fp.eq~DOUBLE(ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456))) - InvariantResult [Line: 5]: Loop Invariant [2019-01-12 07:56:23,104 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,104 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,104 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,109 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,109 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,110 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,110 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,110 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,110 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,111 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists ULTIMATE.start_bug_~min : C_FLOAT :: ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32)))) == ulpdiff && ~fp.eq~DOUBLE(ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456))) - InvariantResult [Line: 15]: Loop Invariant [2019-01-12 07:56:23,115 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,QUANTIFIED] [2019-01-12 07:56:23,115 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,115 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,115 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,115 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,116 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,QUANTIFIED] [2019-01-12 07:56:23,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,120 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,122 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,122 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,125 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,125 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,126 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,126 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,127 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,QUANTIFIED] [2019-01-12 07:56:23,127 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,127 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,128 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,128 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,128 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bugBrokenOut_~min,QUANTIFIED] [2019-01-12 07:56:23,128 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,128 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,129 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,129 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,129 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,130 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,132 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,133 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,133 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,133 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,137 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,137 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists ULTIMATE.start_bugBrokenOut_~min : C_FLOAT :: ~fp.eq~DOUBLE(ULTIMATE.start_bugBrokenOut_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456)) && ulpdiff == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ULTIMATE.start_bugBrokenOut_~min), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32))))))) && (\exists ULTIMATE.start_bug_~min : C_FLOAT :: ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32)))) == ulpdiff && ~fp.eq~DOUBLE(ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456))) - InvariantResult [Line: 36]: Loop Invariant [2019-01-12 07:56:23,138 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,139 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,139 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,139 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,139 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,140 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,145 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,146 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,146 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,146 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,146 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,146 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 07:56:23,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_bug_~min,QUANTIFIED] [2019-01-12 07:56:23,147 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists ULTIMATE.start_bug_~min : C_FLOAT :: ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/8388608), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2bv32)))) == ulpdiff && ~fp.eq~DOUBLE(ULTIMATE.start_bug_~min, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 16777215/340282366920938463463374607431768211456))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 3 error locations. SAFE Result, 12.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 16 SDslu, 9 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 117 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 3 QuantifiedInterpolants, 358 SizeOfPredicates, 9 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...