./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0720_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0720_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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ................................................................................................................................................................................................................................................................................. 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/double_req_bl_0720_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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:54:14,713 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:54:14,715 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:54:14,729 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:54:14,729 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:54:14,730 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:54:14,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:54:14,734 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:54:14,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:54:14,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:54:14,738 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:54:14,738 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:54:14,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:54:14,741 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:54:14,742 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:54:14,743 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:54:14,744 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:54:14,746 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:54:14,749 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:54:14,750 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:54:14,752 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:54:14,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:54:14,756 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:54:14,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:54:14,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:54:14,758 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:54:14,760 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:54:14,761 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:54:14,762 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:54:14,763 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:54:14,763 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:54:14,764 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:54:14,764 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:54:14,765 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:54:14,766 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:54:14,767 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:54:14,768 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:54:14,784 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:54:14,784 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:54:14,785 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:54:14,786 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:54:14,786 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:54:14,786 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:54:14,787 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:54:14,787 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:54:14,787 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:54:14,787 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:54:14,787 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:54:14,787 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:54:14,788 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:54:14,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:54:14,788 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:54:14,788 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:54:14,788 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:54:14,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:54:14,789 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:54:14,789 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:54:14,789 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:54:14,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:54:14,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:54:14,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:54:14,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:54:14,792 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:54:14,792 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:54:14,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:54:14,793 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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2018-12-31 03:54:14,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:54:14,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:54:14,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:54:14,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:54:14,877 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:54:14,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-31 03:54:14,962 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4856b784b/0cfa1a4b11a7427882739034134910e5/FLAGcec41f8c0 [2018-12-31 03:54:15,499 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:54:15,500 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-31 03:54:15,509 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4856b784b/0cfa1a4b11a7427882739034134910e5/FLAGcec41f8c0 [2018-12-31 03:54:15,814 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4856b784b/0cfa1a4b11a7427882739034134910e5 [2018-12-31 03:54:15,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:54:15,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:54:15,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:54:15,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:54:15,829 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:54:15,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:54:15" (1/1) ... [2018-12-31 03:54:15,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4c198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:15, skipping insertion in model container [2018-12-31 03:54:15,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:54:15" (1/1) ... [2018-12-31 03:54:15,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:54:15,882 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:54:16,151 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:54:16,164 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:54:16,254 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:54:16,294 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:54:16,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16 WrapperNode [2018-12-31 03:54:16,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:54:16,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:54:16,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:54:16,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:54:16,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:54:16,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:54:16,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:54:16,496 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:54:16,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... [2018-12-31 03:54:16,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:54:16,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:54:16,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:54:16,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:54:16,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:54:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:54:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:54:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:54:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:54:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:54:16,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:54:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:54:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:54:17,325 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:54:17,326 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-31 03:54:17,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:54:17 BoogieIcfgContainer [2018-12-31 03:54:17,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:54:17,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:54:17,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:54:17,331 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:54:17,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:54:15" (1/3) ... [2018-12-31 03:54:17,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48924306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:54:17, skipping insertion in model container [2018-12-31 03:54:17,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:16" (2/3) ... [2018-12-31 03:54:17,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48924306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:54:17, skipping insertion in model container [2018-12-31 03:54:17,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:54:17" (3/3) ... [2018-12-31 03:54:17,335 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720_true-unreach-call.c [2018-12-31 03:54:17,346 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:54:17,354 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:54:17,373 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:54:17,405 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:54:17,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:54:17,406 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:54:17,406 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:54:17,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:54:17,407 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:54:17,407 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:54:17,407 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:54:17,407 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:54:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-31 03:54:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-31 03:54:17,430 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:54:17,431 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:54:17,433 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:54:17,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:54:17,438 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2018-12-31 03:54:17,440 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:54:17,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:54:17,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:54:17,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:54:17,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:54:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:54:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:54:17,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:54:17,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:54:17,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:54:17,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:54:17,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:54:17,591 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-31 03:54:17,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:54:17,617 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2018-12-31 03:54:17,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:54:17,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-12-31 03:54:17,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:54:17,630 INFO L225 Difference]: With dead ends: 96 [2018-12-31 03:54:17,630 INFO L226 Difference]: Without dead ends: 46 [2018-12-31 03:54:17,633 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:54:17,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-31 03:54:17,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-31 03:54:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-31 03:54:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2018-12-31 03:54:17,672 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2018-12-31 03:54:17,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:54:17,672 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2018-12-31 03:54:17,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:54:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2018-12-31 03:54:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 03:54:17,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:54:17,673 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:54:17,673 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:54:17,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:54:17,674 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2018-12-31 03:54:17,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:54:17,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:54:17,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:54:17,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:54:17,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:54:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:54:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:54:17,786 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:54:17,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:54:17 BoogieIcfgContainer [2018-12-31 03:54:17,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:54:17,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:54:17,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:54:17,824 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:54:17,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:54:17" (3/4) ... [2018-12-31 03:54:17,828 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:54:17,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:54:17,829 INFO L168 Benchmark]: Toolchain (without parser) took 2010.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:17,831 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:54:17,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.96 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 933.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:17,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 200.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:17,834 INFO L168 Benchmark]: Boogie Preprocessor took 53.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:54:17,835 INFO L168 Benchmark]: RCFGBuilder took 776.57 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:17,835 INFO L168 Benchmark]: TraceAbstraction took 495.39 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:17,836 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:54:17,841 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 472.96 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 933.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 200.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 776.57 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 495.39 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.07 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: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = 0.0 / 0.0; [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double res = __ieee754_sqrt(x); [L18] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L144] COND TRUE !isnan_double(res) [L145] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 68 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=49occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:54:20,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:54:20,275 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:54:20,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:54:20,288 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:54:20,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:54:20,293 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:54:20,295 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:54:20,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:54:20,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:54:20,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:54:20,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:54:20,306 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:54:20,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:54:20,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:54:20,312 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:54:20,313 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:54:20,317 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:54:20,329 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:54:20,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:54:20,332 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:54:20,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:54:20,338 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:54:20,338 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:54:20,338 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:54:20,339 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:54:20,341 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:54:20,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:54:20,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:54:20,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:54:20,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:54:20,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:54:20,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:54:20,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:54:20,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:54:20,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:54:20,346 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:54:20,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:54:20,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:54:20,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:54:20,372 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:54:20,372 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:54:20,372 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:54:20,373 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:54:20,373 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:54:20,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:54:20,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:54:20,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:54:20,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:54:20,376 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:54:20,376 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:54:20,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:54:20,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:54:20,376 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:54:20,377 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:54:20,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:54:20,377 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:54:20,377 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:54:20,377 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:54:20,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:54:20,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:54:20,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:54:20,378 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:54:20,378 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:54:20,378 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:54:20,379 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:54:20,379 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:54:20,379 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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2018-12-31 03:54:20,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:54:20,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:54:20,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:54:20,451 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:54:20,451 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:54:20,452 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-31 03:54:20,514 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f4d07ec0/a220e64ac3ed4a2395641670f188756d/FLAGc821b9c79 [2018-12-31 03:54:21,036 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:54:21,037 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-31 03:54:21,047 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f4d07ec0/a220e64ac3ed4a2395641670f188756d/FLAGc821b9c79 [2018-12-31 03:54:21,330 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f4d07ec0/a220e64ac3ed4a2395641670f188756d [2018-12-31 03:54:21,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:54:21,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:54:21,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:54:21,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:54:21,339 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:54:21,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba4bab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21, skipping insertion in model container [2018-12-31 03:54:21,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:54:21,378 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:54:21,588 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:54:21,597 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:54:21,663 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:54:21,702 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:54:21,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21 WrapperNode [2018-12-31 03:54:21,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:54:21,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:54:21,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:54:21,704 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:54:21,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:54:21,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:54:21,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:54:21,843 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:54:21,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... [2018-12-31 03:54:21,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:54:21,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:54:21,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:54:21,888 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:54:21,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:54:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:54:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:54:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:54:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:54:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:54:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:54:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:54:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:54:22,264 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:54:27,100 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:54:27,101 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-31 03:54:27,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:54:27 BoogieIcfgContainer [2018-12-31 03:54:27,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:54:27,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:54:27,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:54:27,106 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:54:27,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:54:21" (1/3) ... [2018-12-31 03:54:27,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c946ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:54:27, skipping insertion in model container [2018-12-31 03:54:27,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:54:21" (2/3) ... [2018-12-31 03:54:27,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c946ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:54:27, skipping insertion in model container [2018-12-31 03:54:27,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:54:27" (3/3) ... [2018-12-31 03:54:27,109 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720_true-unreach-call.c [2018-12-31 03:54:27,120 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:54:27,130 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:54:27,149 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:54:27,180 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:54:27,181 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:54:27,181 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:54:27,181 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:54:27,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:54:27,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:54:27,181 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:54:27,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:54:27,182 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:54:27,196 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-31 03:54:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-31 03:54:27,202 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:54:27,203 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:54:27,205 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:54:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:54:27,210 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2018-12-31 03:54:27,214 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:54:27,215 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 03:54:27,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:54:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:54:27,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:54:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:54:27,601 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:54:27,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:54:27,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:54:27,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:54:27,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:54:27,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:54:27,640 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-31 03:54:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:54:27,662 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2018-12-31 03:54:27,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:54:27,664 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-12-31 03:54:27,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:54:27,676 INFO L225 Difference]: With dead ends: 96 [2018-12-31 03:54:27,676 INFO L226 Difference]: Without dead ends: 46 [2018-12-31 03:54:27,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:54:27,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-31 03:54:27,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-31 03:54:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-31 03:54:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2018-12-31 03:54:27,716 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2018-12-31 03:54:27,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:54:27,717 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2018-12-31 03:54:27,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:54:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2018-12-31 03:54:27,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 03:54:27,718 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:54:27,718 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:54:27,718 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:54:27,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:54:27,719 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2018-12-31 03:54:27,719 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:54:27,720 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 03:54:27,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:54:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:54:28,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:54:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:54:28,339 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:54:28,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:54:28,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 03:54:28,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 03:54:28,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 03:54:28,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 03:54:28,365 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 6 states. [2018-12-31 03:54:29,451 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-31 03:54:32,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:54:32,529 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2018-12-31 03:54:32,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:54:32,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-12-31 03:54:32,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:54:32,533 INFO L225 Difference]: With dead ends: 51 [2018-12-31 03:54:32,533 INFO L226 Difference]: Without dead ends: 46 [2018-12-31 03:54:32,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 03:54:32,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-31 03:54:32,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-31 03:54:32,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-31 03:54:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2018-12-31 03:54:32,542 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 9 [2018-12-31 03:54:32,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:54:32,542 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2018-12-31 03:54:32,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 03:54:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2018-12-31 03:54:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 03:54:32,544 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:54:32,544 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:54:32,544 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:54:32,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:54:32,545 INFO L82 PathProgramCache]: Analyzing trace with hash -677928537, now seen corresponding path program 1 times [2018-12-31 03:54:32,546 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:54:32,546 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 03:54:32,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:54:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:54:32,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:54:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:54:32,832 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:54:32,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:54:32,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 03:54:32,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 03:54:32,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 03:54:32,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:54:32,852 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 4 states. [2018-12-31 03:54:32,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:54:32,945 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2018-12-31 03:54:32,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 03:54:32,945 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-12-31 03:54:32,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:54:32,946 INFO L225 Difference]: With dead ends: 46 [2018-12-31 03:54:32,946 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:54:32,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:54:32,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:54:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:54:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:54:32,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:54:32,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-31 03:54:32,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:54:32,948 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:54:32,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 03:54:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:54:32,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:54:32,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:54:33,282 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-31 03:54:33,351 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-12-31 03:54:33,352 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-12-31 03:54:33,352 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: false [2018-12-31 03:54:33,352 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2018-12-31 03:54:33,352 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-12-31 03:54:33,353 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:54:33,353 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-12-31 03:54:33,353 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:54:33,353 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-12-31 03:54:33,353 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-12-31 03:54:33,353 INFO L444 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: (= ULTIMATE.start___ieee754_sqrt_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-31 03:54:33,353 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2018-12-31 03:54:33,354 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2018-12-31 03:54:33,354 INFO L444 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: false [2018-12-31 03:54:33,354 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2018-12-31 03:54:33,354 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2018-12-31 03:54:33,354 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-12-31 03:54:33,354 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-12-31 03:54:33,354 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-12-31 03:54:33,357 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-31 03:54:33,358 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-12-31 03:54:33,358 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-31 03:54:33,358 INFO L444 ceAbstractionStarter]: At program point L129(lines 22 130) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0))) [2018-12-31 03:54:33,358 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-12-31 03:54:33,358 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-12-31 03:54:33,359 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-31 03:54:33,359 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-12-31 03:54:33,359 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-12-31 03:54:33,359 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-12-31 03:54:33,359 INFO L444 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: false [2018-12-31 03:54:33,359 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-12-31 03:54:33,359 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2018-12-31 03:54:33,362 INFO L444 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2018-12-31 03:54:33,362 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-31 03:54:33,362 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-12-31 03:54:33,363 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-31 03:54:33,363 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:54:33,363 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-31 03:54:33,363 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-31 03:54:33,363 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: false [2018-12-31 03:54:33,364 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-31 03:54:33,365 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-31 03:54:33,366 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-12-31 03:54:33,366 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-12-31 03:54:33,366 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-12-31 03:54:33,366 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:54:33,366 INFO L451 ceAbstractionStarter]: At program point L149(lines 132 150) the Hoare annotation is: true [2018-12-31 03:54:33,366 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-31 03:54:33,367 INFO L444 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= (bvadd |ULTIMATE.start_isnan_double_#res| (_ bv4294967295 32)) (_ bv0 32)))) [2018-12-31 03:54:33,378 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,384 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,388 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,389 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,389 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,389 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,391 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,391 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,394 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,394 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,394 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,394 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,396 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,396 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,397 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,398 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,398 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,398 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,399 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,399 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,399 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,404 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,404 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,404 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:54:33 BoogieIcfgContainer [2018-12-31 03:54:33,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:54:33,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:54:33,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:54:33,410 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:54:33,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:54:27" (3/4) ... [2018-12-31 03:54:33,416 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:54:33,434 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-31 03:54:33,435 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-31 03:54:33,465 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2018-12-31 03:54:33,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2018-12-31 03:54:33,519 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:54:33,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:54:33,521 INFO L168 Benchmark]: Toolchain (without parser) took 12186.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -60.1 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:33,522 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:54:33,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.60 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. [2018-12-31 03:54:33,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:33,523 INFO L168 Benchmark]: Boogie Preprocessor took 44.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:54:33,524 INFO L168 Benchmark]: RCFGBuilder took 5213.91 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:33,524 INFO L168 Benchmark]: TraceAbstraction took 6306.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. [2018-12-31 03:54:33,525 INFO L168 Benchmark]: Witness Printer took 110.18 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. [2018-12-31 03:54:33,529 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.60 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 138.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 5213.91 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6306.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.18 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 28]: Loop Invariant [2018-12-31 03:54:33,536 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,537 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2018-12-31 03:54:33,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,539 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,539 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,539 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,540 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,540 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,540 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 18]: Loop Invariant [2018-12-31 03:54:33,540 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,543 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,543 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:54:33,543 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 130 SDtfs, 68 SDslu, 177 SDs, 0 SdLazy, 26 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 67 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 2 QuantifiedInterpolants, 1929 SizeOfPredicates, 12 NumberOfNonLiveVariables, 128 ConjunctsInSsa, 18 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...