./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0740_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0740_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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 ................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0740_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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:13:25,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:13:25,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:13:25,671 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:13:25,672 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:13:25,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:13:25,677 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:13:25,680 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:13:25,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:13:25,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:13:25,687 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:13:25,688 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:13:25,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:13:25,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:13:25,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:13:25,699 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:13:25,700 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:13:25,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:13:25,710 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:13:25,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:13:25,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:13:25,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:13:25,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:13:25,723 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:13:25,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:13:25,726 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:13:25,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:13:25,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:13:25,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:13:25,730 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:13:25,731 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:13:25,733 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:13:25,733 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:13:25,733 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:13:25,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:13:25,737 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:13:25,738 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:13:25,761 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:13:25,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:13:25,762 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:13:25,762 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:13:25,763 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:13:25,764 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:13:25,764 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:13:25,764 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:13:25,764 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:13:25,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:13:25,765 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:13:25,765 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:13:25,765 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:13:25,765 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:13:25,765 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:13:25,765 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:13:25,766 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:13:25,767 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:13:25,767 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:13:25,767 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:13:25,767 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:13:25,768 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:13:25,768 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:13:25,768 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:13:25,768 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:13:25,769 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:13:25,769 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:13:25,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:13:25,769 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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2019-01-12 09:13:25,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:13:25,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:13:25,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:13:25,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:13:25,855 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:13:25,856 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2019-01-12 09:13:25,925 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c89e4c7b/bd85aa27a4854ee7b693b59e425fe9a6/FLAG84da5f9a9 [2019-01-12 09:13:26,362 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:13:26,363 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2019-01-12 09:13:26,376 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c89e4c7b/bd85aa27a4854ee7b693b59e425fe9a6/FLAG84da5f9a9 [2019-01-12 09:13:26,743 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c89e4c7b/bd85aa27a4854ee7b693b59e425fe9a6 [2019-01-12 09:13:26,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:13:26,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:13:26,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:13:26,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:13:26,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:13:26,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:13:26" (1/1) ... [2019-01-12 09:13:26,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d754fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:26, skipping insertion in model container [2019-01-12 09:13:26,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:13:26" (1/1) ... [2019-01-12 09:13:26,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:13:26,795 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:13:27,006 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:13:27,013 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:13:27,075 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:13:27,117 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:13:27,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27 WrapperNode [2019-01-12 09:13:27,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:13:27,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:13:27,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:13:27,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:13:27,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:13:27,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:13:27,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:13:27,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:13:27,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... [2019-01-12 09:13:27,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:13:27,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:13:27,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:13:27,372 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:13:27,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:13:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:13:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:13:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:13:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:13:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:13:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:13:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:13:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:13:28,056 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:13:28,056 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:13:28,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:28 BoogieIcfgContainer [2019-01-12 09:13:28,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:13:28,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:13:28,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:13:28,063 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:13:28,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:13:26" (1/3) ... [2019-01-12 09:13:28,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664379d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:13:28, skipping insertion in model container [2019-01-12 09:13:28,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:27" (2/3) ... [2019-01-12 09:13:28,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664379d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:13:28, skipping insertion in model container [2019-01-12 09:13:28,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:28" (3/3) ... [2019-01-12 09:13:28,067 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740_true-unreach-call.c [2019-01-12 09:13:28,077 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:13:28,086 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:13:28,102 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:13:28,133 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:13:28,134 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:13:28,134 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:13:28,134 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:13:28,134 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:13:28,134 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:13:28,134 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:13:28,135 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:13:28,135 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:13:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-01-12 09:13:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:13:28,153 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:28,154 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:28,157 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:28,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:28,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2019-01-12 09:13:28,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:13:28,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:13:28,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:13:28,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:28,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:13:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:28,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:28,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:13:28,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:13:28,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:13:28,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:13:28,317 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-01-12 09:13:28,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:28,337 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-01-12 09:13:28,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:13:28,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-01-12 09:13:28,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:28,349 INFO L225 Difference]: With dead ends: 64 [2019-01-12 09:13:28,349 INFO L226 Difference]: Without dead ends: 30 [2019-01-12 09:13:28,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:13:28,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-12 09:13:28,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-12 09:13:28,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-12 09:13:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-01-12 09:13:28,384 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2019-01-12 09:13:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:28,384 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-01-12 09:13:28,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:13:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-01-12 09:13:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:13:28,385 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:28,385 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:28,385 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:28,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2019-01-12 09:13:28,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:13:28,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:13:28,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:13:28,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:28,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:13:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:13:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:13:28,468 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:13:28,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:13:28 BoogieIcfgContainer [2019-01-12 09:13:28,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:13:28,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:13:28,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:13:28,500 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:13:28,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:28" (3/4) ... [2019-01-12 09:13:28,504 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:13:28,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:13:28,505 INFO L168 Benchmark]: Toolchain (without parser) took 1759.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:28,508 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. [2019-01-12 09:13:28,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:28,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.39 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:28,510 INFO L168 Benchmark]: Boogie Preprocessor took 182.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:28,511 INFO L168 Benchmark]: RCFGBuilder took 687.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:28,512 INFO L168 Benchmark]: TraceAbstraction took 439.22 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:28,513 INFO L168 Benchmark]: Witness Printer took 5.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:13:28,517 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 371.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.39 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 182.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 687.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 439.22 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.17 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: 97]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 30, overapproximation of bitwiseAnd at line 27. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = -1.0f / 0.0f; [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] float res = __ieee754_sqrtf(x); [L13] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L96] COND TRUE !isnan_float(res) [L97] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 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=33occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:13:31,018 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:13:31,020 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:13:31,032 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:13:31,032 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:13:31,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:13:31,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:13:31,037 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:13:31,039 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:13:31,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:13:31,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:13:31,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:13:31,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:13:31,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:13:31,048 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:13:31,049 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:13:31,050 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:13:31,053 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:13:31,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:13:31,061 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:13:31,063 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:13:31,066 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:13:31,069 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:13:31,069 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:13:31,069 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:13:31,070 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:13:31,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:13:31,072 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:13:31,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:13:31,076 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:13:31,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:13:31,079 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:13:31,079 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:13:31,079 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:13:31,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:13:31,082 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:13:31,084 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:13:31,107 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:13:31,107 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:13:31,109 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:13:31,110 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:13:31,110 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:13:31,110 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:13:31,110 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:13:31,111 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:13:31,112 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:13:31,112 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:13:31,112 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:13:31,112 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:13:31,112 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:13:31,112 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:13:31,113 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:13:31,113 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:13:31,114 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:13:31,114 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:13:31,114 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:13:31,114 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:13:31,114 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:13:31,114 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:13:31,115 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:13:31,115 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:13:31,115 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:13:31,115 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:13:31,115 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:13:31,115 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:13:31,116 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:13:31,117 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:13:31,117 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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2019-01-12 09:13:31,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:13:31,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:13:31,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:13:31,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:13:31,183 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:13:31,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2019-01-12 09:13:31,240 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829583019/ea88ab3d916f4b99a6c2d3b7c2dc3796/FLAG3353e99b8 [2019-01-12 09:13:31,751 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:13:31,751 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2019-01-12 09:13:31,760 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829583019/ea88ab3d916f4b99a6c2d3b7c2dc3796/FLAG3353e99b8 [2019-01-12 09:13:32,072 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829583019/ea88ab3d916f4b99a6c2d3b7c2dc3796 [2019-01-12 09:13:32,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:13:32,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:13:32,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:13:32,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:13:32,085 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:13:32,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19be6967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32, skipping insertion in model container [2019-01-12 09:13:32,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:13:32,118 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:13:32,295 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:13:32,303 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:13:32,352 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:13:32,396 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:13:32,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32 WrapperNode [2019-01-12 09:13:32,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:13:32,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:13:32,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:13:32,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:13:32,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:13:32,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:13:32,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:13:32,448 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:13:32,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... [2019-01-12 09:13:32,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:13:32,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:13:32,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:13:32,553 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:13:32,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:13:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:13:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:13:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:13:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:13:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:13:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:13:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:13:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:13:32,815 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:13:33,797 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:13:33,797 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:13:33,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:33 BoogieIcfgContainer [2019-01-12 09:13:33,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:13:33,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:13:33,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:13:33,803 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:13:33,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:13:32" (1/3) ... [2019-01-12 09:13:33,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea548de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:13:33, skipping insertion in model container [2019-01-12 09:13:33,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:32" (2/3) ... [2019-01-12 09:13:33,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea548de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:13:33, skipping insertion in model container [2019-01-12 09:13:33,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:33" (3/3) ... [2019-01-12 09:13:33,806 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740_true-unreach-call.c [2019-01-12 09:13:33,817 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:13:33,825 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:13:33,842 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:13:33,879 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:13:33,880 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:13:33,880 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:13:33,881 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:13:33,882 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:13:33,882 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:13:33,882 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:13:33,882 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:13:33,882 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:13:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-01-12 09:13:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:13:33,906 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:33,907 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:33,910 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:33,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:33,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2019-01-12 09:13:33,921 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:13:33,922 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:13:33,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:34,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:13:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:34,070 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:13:34,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:34,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:13:34,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:13:34,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:13:34,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:13:34,104 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-01-12 09:13:34,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:34,123 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-01-12 09:13:34,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:13:34,124 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-01-12 09:13:34,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:34,136 INFO L225 Difference]: With dead ends: 64 [2019-01-12 09:13:34,137 INFO L226 Difference]: Without dead ends: 30 [2019-01-12 09:13:34,140 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:13:34,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-12 09:13:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-12 09:13:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-12 09:13:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-01-12 09:13:34,173 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2019-01-12 09:13:34,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:34,174 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-01-12 09:13:34,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:13:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-01-12 09:13:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:13:34,175 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:34,175 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:34,175 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:34,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:34,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2019-01-12 09:13:34,177 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:13:34,177 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:13:34,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:34,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:13:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:34,638 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:13:34,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:34,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:13:34,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:13:34,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:13:34,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:13:34,661 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 6 states. [2019-01-12 09:13:35,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:35,299 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-01-12 09:13:35,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:13:35,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-01-12 09:13:35,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:35,301 INFO L225 Difference]: With dead ends: 35 [2019-01-12 09:13:35,301 INFO L226 Difference]: Without dead ends: 30 [2019-01-12 09:13:35,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:13:35,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-12 09:13:35,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-12 09:13:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-12 09:13:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-01-12 09:13:35,310 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 10 [2019-01-12 09:13:35,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:35,310 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-01-12 09:13:35,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:13:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2019-01-12 09:13:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:13:35,311 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:35,311 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:35,313 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:35,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:35,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1245605874, now seen corresponding path program 1 times [2019-01-12 09:13:35,314 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:13:35,315 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:13:35,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:35,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:13:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:35,481 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:13:35,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:35,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:13:35,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:13:35,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:13:35,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:13:35,499 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand 5 states. [2019-01-12 09:13:35,833 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-12 09:13:35,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:35,837 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2019-01-12 09:13:35,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:13:35,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-12 09:13:35,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:35,837 INFO L225 Difference]: With dead ends: 30 [2019-01-12 09:13:35,838 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:13:35,839 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:13:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:13:35,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:13:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:13:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:13:35,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-01-12 09:13:35,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:35,841 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:13:35,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:13:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:13:35,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:13:35,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:13:36,016 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-12 09:13:36,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:13:36,028 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:13:36,028 INFO L444 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-01-12 09:13:36,028 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-01-12 09:13:36,029 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-01-12 09:13:36,029 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-01-12 09:13:36,029 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-01-12 09:13:36,029 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= (bvadd |ULTIMATE.start_isnan_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) |ULTIMATE.start___ieee754_sqrtf_#res|) (= .cse0 ULTIMATE.start___ieee754_sqrtf_~x))) [2019-01-12 09:13:36,030 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-01-12 09:13:36,030 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-01-12 09:13:36,030 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-01-12 09:13:36,030 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2019-01-12 09:13:36,030 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-01-12 09:13:36,030 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-01-12 09:13:36,031 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-01-12 09:13:36,031 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x) [2019-01-12 09:13:36,031 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-01-12 09:13:36,031 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-01-12 09:13:36,031 INFO L444 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-01-12 09:13:36,031 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-01-12 09:13:36,032 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-01-12 09:13:36,032 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-01-12 09:13:36,032 INFO L444 ceAbstractionStarter]: At program point L81(lines 17 82) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) |ULTIMATE.start___ieee754_sqrtf_#res|) (= .cse0 ULTIMATE.start___ieee754_sqrtf_~x))) [2019-01-12 09:13:36,032 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-01-12 09:13:36,032 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:13:36,032 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-01-12 09:13:36,033 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:13:36,033 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-01-12 09:13:36,034 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-01-12 09:13:36,034 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-01-12 09:13:36,034 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-01-12 09:13:36,034 INFO L451 ceAbstractionStarter]: At program point L101(lines 84 102) the Hoare annotation is: true [2019-01-12 09:13:36,034 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-01-12 09:13:36,043 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,043 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,044 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,044 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,044 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,044 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,045 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,045 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,045 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,045 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,048 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,052 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,053 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,053 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,053 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,055 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,055 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,055 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,055 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,056 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,056 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,056 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,058 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,059 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,059 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,059 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,059 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,060 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,061 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,061 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,061 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,061 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:13:36 BoogieIcfgContainer [2019-01-12 09:13:36,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:13:36,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:13:36,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:13:36,068 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:13:36,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:33" (3/4) ... [2019-01-12 09:13:36,073 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:13:36,086 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 09:13:36,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-12 09:13:36,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:13:36,118 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2019-01-12 09:13:36,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~bvadd64(\result, 4294967295bv32) == 0bv32 && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2019-01-12 09:13:36,163 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:13:36,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:13:36,164 INFO L168 Benchmark]: Toolchain (without parser) took 4088.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -73.1 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:36,165 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. [2019-01-12 09:13:36,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.21 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:36,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.06 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:36,168 INFO L168 Benchmark]: Boogie Preprocessor took 104.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:36,168 INFO L168 Benchmark]: RCFGBuilder took 1246.37 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:36,170 INFO L168 Benchmark]: TraceAbstraction took 2267.69 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: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:36,170 INFO L168 Benchmark]: Witness Printer took 95.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:13:36,174 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 316.21 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.06 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1246.37 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2267.69 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: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. * Witness Printer took 95.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.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 - 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: 97]: 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: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2019-01-12 09:13:36,185 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,186 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,186 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,186 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,186 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,187 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,195 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,195 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,195 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,196 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,196 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,196 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,197 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,197 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,197 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,197 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,197 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,198 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,198 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,198 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 13]: Loop Invariant [2019-01-12 09:13:36,199 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,199 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,199 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,199 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,206 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,206 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,206 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,207 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,207 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,207 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,207 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,207 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,208 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,208 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~bvadd64(\result, 4294967295bv32) == 0bv32 && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2019-01-12 09:13:36,211 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,212 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,212 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:36,213 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 80 SDtfs, 44 SDslu, 104 SDs, 0 SdLazy, 30 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 92 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 1 QuantifiedInterpolants, 1409 SizeOfPredicates, 13 NumberOfNonLiveVariables, 87 ConjunctsInSsa, 19 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...