./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_1122a_true-unreach-call.c --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/float-newlib/float_req_bl_1122a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cd93119259b478e9ace2ae93fde799beac44478 ........................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_1122a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cd93119259b478e9ace2ae93fde799beac44478 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:16:11,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:16:11,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:16:11,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:16:11,472 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:16:11,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:16:11,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:16:11,476 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:16:11,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:16:11,485 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:16:11,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:16:11,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:16:11,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:16:11,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:16:11,495 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:16:11,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:16:11,499 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:16:11,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:16:11,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:16:11,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:16:11,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:16:11,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:16:11,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:16:11,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:16:11,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:16:11,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:16:11,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:16:11,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:16:11,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:16:11,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:16:11,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:16:11,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:16:11,520 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:16:11,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:16:11,521 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:16:11,522 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:16:11,522 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:16:11,537 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:16:11,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:16:11,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:16:11,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:16:11,539 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:16:11,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:16:11,539 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:16:11,540 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:16:11,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:16:11,541 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:16:11,541 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:16:11,541 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:16:11,541 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:16:11,541 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:16:11,542 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:16:11,542 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:16:11,543 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:16:11,543 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:16:11,543 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:16:11,543 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:16:11,543 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:16:11,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:16:11,544 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:16:11,544 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:16:11,544 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:16:11,544 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:16:11,544 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:16:11,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:16:11,546 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 -> 5cd93119259b478e9ace2ae93fde799beac44478 [2019-01-12 09:16:11,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:16:11,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:16:11,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:16:11,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:16:11,600 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:16:11,601 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1122a_true-unreach-call.c [2019-01-12 09:16:11,651 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a026ba16/452f709e5bdc4b95836fca6b86ac288b/FLAG1b8f79b77 [2019-01-12 09:16:12,073 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:16:12,074 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1122a_true-unreach-call.c [2019-01-12 09:16:12,081 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a026ba16/452f709e5bdc4b95836fca6b86ac288b/FLAG1b8f79b77 [2019-01-12 09:16:12,437 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a026ba16/452f709e5bdc4b95836fca6b86ac288b [2019-01-12 09:16:12,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:16:12,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:16:12,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:12,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:16:12,446 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:16:12,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:12,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202d9593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12, skipping insertion in model container [2019-01-12 09:16:12,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:12,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:16:12,489 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:16:12,783 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:12,794 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:16:12,861 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:12,891 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:16:12,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12 WrapperNode [2019-01-12 09:16:12,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:12,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:12,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:16:12,893 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:16:12,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:12,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:13,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:13,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:16:13,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:16:13,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:16:13,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:13,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:13,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:13,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:13,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:13,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:13,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (1/1) ... [2019-01-12 09:16:13,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:16:13,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:16:13,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:16:13,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:16:13,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (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 09:16:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:16:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:16:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:16:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:16:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:16:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:16:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:16:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-01-12 09:16:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:16:13,778 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:16:13,778 INFO L286 CfgBuilder]: Removed 20 assue(true) statements. [2019-01-12 09:16:13,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:13 BoogieIcfgContainer [2019-01-12 09:16:13,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:16:13,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:16:13,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:16:13,784 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:16:13,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:16:12" (1/3) ... [2019-01-12 09:16:13,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a2562d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:13, skipping insertion in model container [2019-01-12 09:16:13,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:12" (2/3) ... [2019-01-12 09:16:13,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a2562d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:13, skipping insertion in model container [2019-01-12 09:16:13,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:13" (3/3) ... [2019-01-12 09:16:13,787 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a_true-unreach-call.c [2019-01-12 09:16:13,797 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:16:13,806 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:16:13,821 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:16:13,852 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:16:13,853 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:16:13,853 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:16:13,853 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:16:13,853 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:16:13,853 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:16:13,854 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:16:13,854 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:16:13,854 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:16:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-01-12 09:16:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:16:13,873 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:13,874 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:13,876 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:13,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:13,882 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2019-01-12 09:16:13,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:16:13,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:16:13,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:16:13,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:13,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:16:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:14,003 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 09:16:14,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:14,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:16:14,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:16:14,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:16:14,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:14,028 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-01-12 09:16:14,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:14,047 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2019-01-12 09:16:14,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:16:14,049 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:16:14,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:14,059 INFO L225 Difference]: With dead ends: 82 [2019-01-12 09:16:14,059 INFO L226 Difference]: Without dead ends: 39 [2019-01-12 09:16:14,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:14,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-01-12 09:16:14,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-01-12 09:16:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-12 09:16:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-01-12 09:16:14,096 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2019-01-12 09:16:14,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:14,096 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-01-12 09:16:14,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:16:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-01-12 09:16:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:16:14,097 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:14,098 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:14,098 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:14,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:14,098 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2019-01-12 09:16:14,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:16:14,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:16:14,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:16:14,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:14,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:16:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:16:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:16:14,302 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:16:14,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:16:14 BoogieIcfgContainer [2019-01-12 09:16:14,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:16:14,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:16:14,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:16:14,354 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:16:14,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:13" (3/4) ... [2019-01-12 09:16:14,359 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:16:14,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:16:14,360 INFO L168 Benchmark]: Toolchain (without parser) took 1919.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -102.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:14,362 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:16:14,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:14,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:14,366 INFO L168 Benchmark]: Boogie Preprocessor took 63.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:14,367 INFO L168 Benchmark]: RCFGBuilder took 694.48 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:14,369 INFO L168 Benchmark]: TraceAbstraction took 572.00 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:14,370 INFO L168 Benchmark]: Witness Printer took 5.54 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 09:16:14,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 450.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 694.48 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 572.00 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.54 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: 123]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseXor at line 31. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={1:0}] [L117] float x = 1.0f / 0.0f; [L118] float y = __VERIFIER_nondet_float(); [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={1:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={1:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={1:0}] [L119] float res = fmod_float(x, y); [L108] return x != x; VAL [one_fmod=1, Zero_fmod={1:0}] [L122] COND TRUE !isnan_float(res) [L123] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:16:16,623 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:16:16,625 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:16:16,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:16:16,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:16:16,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:16:16,640 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:16:16,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:16:16,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:16:16,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:16:16,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:16:16,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:16:16,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:16:16,649 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:16:16,650 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:16:16,651 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:16:16,652 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:16:16,654 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:16:16,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:16:16,658 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:16:16,660 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:16:16,661 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:16:16,664 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:16:16,664 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:16:16,664 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:16:16,665 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:16:16,667 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:16:16,668 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:16:16,669 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:16:16,670 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:16:16,670 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:16:16,671 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:16:16,671 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:16:16,671 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:16:16,672 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:16:16,674 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:16:16,674 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:16:16,690 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:16:16,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:16:16,691 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:16:16,692 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:16:16,692 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:16:16,692 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:16:16,692 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:16:16,692 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:16:16,693 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:16:16,694 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:16:16,694 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:16:16,694 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:16:16,694 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:16:16,694 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:16:16,695 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:16:16,695 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:16:16,695 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:16:16,695 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:16:16,695 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:16:16,696 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:16:16,697 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:16:16,697 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:16:16,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:16:16,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:16:16,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:16:16,698 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:16:16,699 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:16:16,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:16:16,699 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:16:16,699 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:16:16,699 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 -> 5cd93119259b478e9ace2ae93fde799beac44478 [2019-01-12 09:16:16,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:16:16,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:16:16,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:16:16,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:16:16,754 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:16:16,754 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1122a_true-unreach-call.c [2019-01-12 09:16:16,812 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69b6f9ce9/6ced822c80e64b4cbc683ced2d72aa4e/FLAGfdff964e0 [2019-01-12 09:16:17,289 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:16:17,290 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1122a_true-unreach-call.c [2019-01-12 09:16:17,300 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69b6f9ce9/6ced822c80e64b4cbc683ced2d72aa4e/FLAGfdff964e0 [2019-01-12 09:16:17,645 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69b6f9ce9/6ced822c80e64b4cbc683ced2d72aa4e [2019-01-12 09:16:17,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:16:17,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:16:17,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:17,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:16:17,655 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:16:17,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:17" (1/1) ... [2019-01-12 09:16:17,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c78806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:17, skipping insertion in model container [2019-01-12 09:16:17,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:16:17" (1/1) ... [2019-01-12 09:16:17,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:16:17,695 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:16:17,956 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:17,965 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:16:18,046 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:16:18,072 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:16:18,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18 WrapperNode [2019-01-12 09:16:18,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:16:18,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:18,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:16:18,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:16:18,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:16:18,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:16:18,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:16:18,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:16:18,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (1/1) ... [2019-01-12 09:16:18,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:16:18,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:16:18,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:16:18,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:16:18,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (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 09:16:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-01-12 09:16:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:16:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:16:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:16:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:16:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:16:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:16:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:16:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:16:18,585 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:16:18,656 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:16:18,716 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:16:19,813 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:16:19,814 INFO L286 CfgBuilder]: Removed 20 assue(true) statements. [2019-01-12 09:16:19,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:19 BoogieIcfgContainer [2019-01-12 09:16:19,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:16:19,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:16:19,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:16:19,820 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:16:19,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:16:17" (1/3) ... [2019-01-12 09:16:19,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7495b771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:19, skipping insertion in model container [2019-01-12 09:16:19,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:16:18" (2/3) ... [2019-01-12 09:16:19,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7495b771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:16:19, skipping insertion in model container [2019-01-12 09:16:19,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:19" (3/3) ... [2019-01-12 09:16:19,825 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a_true-unreach-call.c [2019-01-12 09:16:19,833 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:16:19,840 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:16:19,856 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:16:19,886 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:16:19,886 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:16:19,886 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:16:19,887 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:16:19,887 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:16:19,887 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:16:19,887 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:16:19,887 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:16:19,888 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:16:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-01-12 09:16:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:16:19,905 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:19,906 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:19,908 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:19,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:19,913 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2019-01-12 09:16:19,917 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:19,918 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 09:16:19,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:20,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:20,214 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 09:16:20,214 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:20,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:20,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:16:20,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:16:20,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:16:20,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:20,248 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-01-12 09:16:20,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:20,268 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2019-01-12 09:16:20,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:16:20,269 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:16:20,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:20,281 INFO L225 Difference]: With dead ends: 82 [2019-01-12 09:16:20,281 INFO L226 Difference]: Without dead ends: 39 [2019-01-12 09:16:20,285 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:16:20,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-01-12 09:16:20,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-01-12 09:16:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-12 09:16:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-01-12 09:16:20,321 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2019-01-12 09:16:20,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:20,322 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-01-12 09:16:20,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:16:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-01-12 09:16:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:16:20,323 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:20,323 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:20,324 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:20,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:20,324 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2019-01-12 09:16:20,326 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:20,326 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) [2019-01-12 09:16:20,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:16:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:20,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:22,116 WARN L181 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-12 09:16:23,651 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 09:16:23,651 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:23,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:23,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:16:23,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:16:23,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:16:23,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:16:23,667 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 6 states. [2019-01-12 09:16:26,299 WARN L181 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-12 09:16:28,135 WARN L181 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 19 [2019-01-12 09:16:30,260 WARN L181 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 22 [2019-01-12 09:16:32,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:32,307 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2019-01-12 09:16:32,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:16:32,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-01-12 09:16:32,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:32,310 INFO L225 Difference]: With dead ends: 49 [2019-01-12 09:16:32,310 INFO L226 Difference]: Without dead ends: 44 [2019-01-12 09:16:32,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:16:32,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-01-12 09:16:32,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2019-01-12 09:16:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-12 09:16:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2019-01-12 09:16:32,318 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2019-01-12 09:16:32,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:32,319 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-01-12 09:16:32,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:16:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2019-01-12 09:16:32,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-12 09:16:32,321 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:16:32,321 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:16:32,322 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:16:32,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:16:32,323 INFO L82 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2019-01-12 09:16:32,323 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:16:32,323 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 09:16:32,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:16:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:16:32,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:16:32,448 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 09:16:32,448 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:16:32,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:16:32,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 09:16:32,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:16:32,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:16:32,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:16:32,460 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 4 states. [2019-01-12 09:16:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:16:32,635 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2019-01-12 09:16:32,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:16:32,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-01-12 09:16:32,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:16:32,638 INFO L225 Difference]: With dead ends: 39 [2019-01-12 09:16:32,638 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:16:32,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:16:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:16:32,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:16:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:16:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:16:32,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-01-12 09:16:32,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:16:32,641 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:16:32,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:16:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:16:32,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:16:32,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:16:33,812 WARN L181 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 19 [2019-01-12 09:16:34,776 WARN L181 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-12 09:16:34,778 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-01-12 09:16:34,778 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-01-12 09:16:34,779 INFO L451 ceAbstractionStarter]: At program point L127(lines 110 128) the Hoare annotation is: true [2019-01-12 09:16:34,779 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:16:34,779 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:16:34,779 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-01-12 09:16:34,779 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-01-12 09:16:34,780 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 24) the Hoare annotation is: (= ULTIMATE.start_fmod_float_~x (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2019-01-12 09:16:34,780 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-01-12 09:16:34,780 INFO L448 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-01-12 09:16:34,780 INFO L444 ceAbstractionStarter]: At program point L104(lines 17 105) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= |ULTIMATE.start_fmod_float_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0))))) [2019-01-12 09:16:34,780 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-01-12 09:16:34,780 INFO L448 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-01-12 09:16:34,781 INFO L444 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-01-12 09:16:34,781 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-01-12 09:16:34,781 INFO L444 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-01-12 09:16:34,781 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-01-12 09:16:34,781 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-01-12 09:16:34,781 INFO L448 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-01-12 09:16:34,781 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 125) no Hoare annotation was computed. [2019-01-12 09:16:34,782 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-01-12 09:16:34,782 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-01-12 09:16:34,782 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-01-12 09:16:34,782 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:16:34,782 INFO L448 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-01-12 09:16:34,782 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-01-12 09:16:34,782 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-01-12 09:16:34,783 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-01-12 09:16:34,783 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-01-12 09:16:34,783 INFO L444 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-01-12 09:16:34,783 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:16:34,783 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-01-12 09:16:34,783 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-01-12 09:16:34,783 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-01-12 09:16:34,784 INFO L448 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-01-12 09:16:34,784 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2019-01-12 09:16:34,784 INFO L444 ceAbstractionStarter]: At program point L108(line 108) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (bvadd |ULTIMATE.start_isnan_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= |ULTIMATE.start_fmod_float_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0))))) [2019-01-12 09:16:34,784 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-01-12 09:16:34,785 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-01-12 09:16:34,785 INFO L444 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-01-12 09:16:34,785 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-01-12 09:16:34,785 INFO L448 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-01-12 09:16:34,796 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,796 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,797 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,797 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,797 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,797 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,798 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,798 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,798 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,803 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,803 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,803 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,804 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,804 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,804 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,804 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,804 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,810 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,810 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,810 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,810 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,811 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,811 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,812 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,812 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,812 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,812 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,812 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,813 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,813 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,813 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,813 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,814 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,814 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:16:34 BoogieIcfgContainer [2019-01-12 09:16:34,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:16:34,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:16:34,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:16:34,817 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:16:34,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:16:19" (3/4) ... [2019-01-12 09:16:34,823 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:16:34,834 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-12 09:16:34,835 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 09:16:34,835 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:16:34,882 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:16:34,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:16:34,883 INFO L168 Benchmark]: Toolchain (without parser) took 17234.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -53.7 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:34,884 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:16:34,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:34,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -196.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:34,887 INFO L168 Benchmark]: Boogie Preprocessor took 68.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:34,887 INFO L168 Benchmark]: RCFGBuilder took 1553.12 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:34,888 INFO L168 Benchmark]: TraceAbstraction took 14999.40 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: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:16:34,889 INFO L168 Benchmark]: Witness Printer took 66.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 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 09:16:34,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -196.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1553.12 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14999.40 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: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * Witness Printer took 66.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 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 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_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,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_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,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_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-01-12 09:16:34,914 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,914 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,914 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,915 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,917 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,917 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,918 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,919 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,919 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,919 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,922 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,922 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,922 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,922 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,923 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,923 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,923 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,923 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] Derived loop invariant: (x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y))) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2019-01-12 09:16:34,925 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,925 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,926 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,926 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 17]: Loop Invariant [2019-01-12 09:16:34,926 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,926 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,926 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,927 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,927 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,927 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,927 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,928 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,928 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-01-12 09:16:34,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,931 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:16:34,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 8.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 50 SDslu, 150 SDs, 0 SdLazy, 32 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 84 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 1 QuantifiedInterpolants, 2002 SizeOfPredicates, 14 NumberOfNonLiveVariables, 151 ConjunctsInSsa, 20 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...