./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0970b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0970b_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 43a504f2a78cd97f2f59239768b095c018a8cdcb ........................................................................................................................................................................................................................................................................................ 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_0970b_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 43a504f2a78cd97f2f59239768b095c018a8cdcb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 04:05:04,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:05:04,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:05:04,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:05:04,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:05:04,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:05:04,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:05:04,697 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:05:04,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:05:04,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:05:04,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:05:04,702 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:05:04,703 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:05:04,704 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:05:04,705 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:05:04,706 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:05:04,707 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:05:04,709 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:05:04,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:05:04,713 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:05:04,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:05:04,716 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:05:04,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:05:04,719 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:05:04,719 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:05:04,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:05:04,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:05:04,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:05:04,723 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:05:04,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:05:04,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:05:04,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:05:04,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:05:04,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:05:04,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:05:04,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:05:04,729 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 04:05:04,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:05:04,751 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:05:04,753 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:05:04,753 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:05:04,753 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:05:04,753 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:05:04,757 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:05:04,757 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 04:05:04,757 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:05:04,757 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:05:04,757 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:05:04,758 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:05:04,758 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:05:04,758 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:05:04,758 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:05:04,758 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:05:04,758 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:05:04,759 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:05:04,760 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:05:04,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:05:04,760 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:05:04,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:05:04,760 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:05:04,760 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:05:04,761 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:05:04,761 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 04:05:04,761 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:05:04,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 04:05:04,762 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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2018-12-31 04:05:04,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:05:04,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:05:04,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:05:04,836 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:05:04,836 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:05:04,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-31 04:05:04,909 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0776b72cd/778983e629d54eb49a00290501bcd856/FLAG98b6ce3db [2018-12-31 04:05:05,370 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:05:05,371 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-31 04:05:05,380 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0776b72cd/778983e629d54eb49a00290501bcd856/FLAG98b6ce3db [2018-12-31 04:05:05,733 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0776b72cd/778983e629d54eb49a00290501bcd856 [2018-12-31 04:05:05,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:05:05,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:05:05,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:05:05,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:05:05,748 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:05:05,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:05:05" (1/1) ... [2018-12-31 04:05:05,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5652e022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:05, skipping insertion in model container [2018-12-31 04:05:05,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:05:05" (1/1) ... [2018-12-31 04:05:05,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:05:05,802 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:05:06,059 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:05:06,065 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:05:06,146 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:05:06,182 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:05:06,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06 WrapperNode [2018-12-31 04:05:06,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:05:06,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:05:06,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:05:06,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:05:06,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:05:06,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:05:06,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:05:06,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:05:06,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... [2018-12-31 04:05:06,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:05:06,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:05:06,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:05:06,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:05:06,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:05:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:05:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 04:05:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 04:05:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 04:05:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:05:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:05:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 04:05:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:05:07,151 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:05:07,153 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-31 04:05:07,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:05:07 BoogieIcfgContainer [2018-12-31 04:05:07,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:05:07,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:05:07,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:05:07,159 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:05:07,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:05:05" (1/3) ... [2018-12-31 04:05:07,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5890f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:05:07, skipping insertion in model container [2018-12-31 04:05:07,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:06" (2/3) ... [2018-12-31 04:05:07,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5890f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:05:07, skipping insertion in model container [2018-12-31 04:05:07,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:05:07" (3/3) ... [2018-12-31 04:05:07,166 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b_true-unreach-call.c [2018-12-31 04:05:07,176 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:05:07,184 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:05:07,199 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:05:07,230 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:05:07,230 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:05:07,231 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:05:07,231 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:05:07,231 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:05:07,231 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:05:07,231 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:05:07,232 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:05:07,232 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:05:07,248 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-12-31 04:05:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 04:05:07,254 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:05:07,256 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:05:07,258 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:05:07,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:05:07,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2018-12-31 04:05:07,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:05:07,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:05:07,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:05:07,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:05:07,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:05:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:05:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:05:07,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:05:07,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:05:07,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:05:07,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:05:07,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:05:07,419 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-12-31 04:05:07,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:05:07,439 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2018-12-31 04:05:07,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:05:07,440 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-12-31 04:05:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:05:07,453 INFO L225 Difference]: With dead ends: 86 [2018-12-31 04:05:07,453 INFO L226 Difference]: Without dead ends: 41 [2018-12-31 04:05:07,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:05:07,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-31 04:05:07,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-31 04:05:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-31 04:05:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2018-12-31 04:05:07,493 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2018-12-31 04:05:07,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:05:07,494 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2018-12-31 04:05:07,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:05:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2018-12-31 04:05:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 04:05:07,495 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:05:07,495 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:05:07,495 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:05:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:05:07,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2018-12-31 04:05:07,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:05:07,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:05:07,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:05:07,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:05:07,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:05:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:05:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:05:07,596 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 04:05:07,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:05:07 BoogieIcfgContainer [2018-12-31 04:05:07,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:05:07,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:05:07,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:05:07,648 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:05:07,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:05:07" (3/4) ... [2018-12-31 04:05:07,655 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 04:05:07,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:05:07,656 INFO L168 Benchmark]: Toolchain (without parser) took 1917.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -124.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:07,658 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:05:07,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.29 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 931.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:07,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:07,661 INFO L168 Benchmark]: Boogie Preprocessor took 48.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:05:07,661 INFO L168 Benchmark]: RCFGBuilder took 759.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:07,662 INFO L168 Benchmark]: TraceAbstraction took 493.51 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:07,663 INFO L168 Benchmark]: Witness Printer took 6.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:05:07,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 442.29 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 931.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 161.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 759.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 493.51 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.79 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: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 117, overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] float x = -1.0f / 0.0f; [L106] float y, z; [L107] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L155] float res = __ieee754_log10f(x); [L145] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L158] COND TRUE !isnan_float(res) [L159] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 58 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=44occurred 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 0.1.24-2e94e6a [2018-12-31 04:05:10,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:05:10,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:05:10,162 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:05:10,163 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:05:10,165 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:05:10,167 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:05:10,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:05:10,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:05:10,176 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:05:10,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:05:10,179 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:05:10,180 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:05:10,181 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:05:10,190 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:05:10,194 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:05:10,195 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:05:10,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:05:10,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:05:10,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:05:10,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:05:10,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:05:10,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:05:10,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:05:10,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:05:10,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:05:10,217 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:05:10,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:05:10,218 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:05:10,219 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:05:10,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:05:10,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:05:10,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:05:10,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:05:10,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:05:10,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:05:10,222 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 04:05:10,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:05:10,238 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:05:10,240 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:05:10,243 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:05:10,243 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:05:10,243 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:05:10,243 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:05:10,244 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:05:10,244 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:05:10,244 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:05:10,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:05:10,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:05:10,245 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 04:05:10,245 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 04:05:10,246 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:05:10,246 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:05:10,246 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:05:10,246 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:05:10,246 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:05:10,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:05:10,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:05:10,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:05:10,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:05:10,249 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:05:10,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:05:10,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:05:10,249 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 04:05:10,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:05:10,249 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 04:05:10,250 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 04:05:10,250 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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2018-12-31 04:05:10,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:05:10,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:05:10,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:05:10,331 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:05:10,331 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:05:10,332 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-31 04:05:10,391 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869bb04b0/4960d96db471476f8280154970d31e31/FLAGd635eb6f5 [2018-12-31 04:05:10,866 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:05:10,867 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0970b_true-unreach-call.c [2018-12-31 04:05:10,876 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869bb04b0/4960d96db471476f8280154970d31e31/FLAGd635eb6f5 [2018-12-31 04:05:11,233 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869bb04b0/4960d96db471476f8280154970d31e31 [2018-12-31 04:05:11,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:05:11,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:05:11,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:05:11,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:05:11,250 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:05:11,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0cd06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11, skipping insertion in model container [2018-12-31 04:05:11,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:05:11,305 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:05:11,639 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:05:11,648 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:05:11,727 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:05:11,758 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:05:11,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11 WrapperNode [2018-12-31 04:05:11,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:05:11,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:05:11,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:05:11,761 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:05:11,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:05:11,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:05:11,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:05:11,908 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:05:11,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... [2018-12-31 04:05:11,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:05:11,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:05:11,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:05:11,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:05:11,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:05:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:05:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-31 04:05:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 04:05:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:05:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:05:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-31 04:05:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 04:05:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:05:12,888 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:05:26,337 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:05:26,584 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:05:28,713 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:05:28,934 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:05:28,935 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-31 04:05:28,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:05:28 BoogieIcfgContainer [2018-12-31 04:05:28,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:05:28,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:05:28,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:05:28,941 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:05:28,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:05:11" (1/3) ... [2018-12-31 04:05:28,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55564d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:05:28, skipping insertion in model container [2018-12-31 04:05:28,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:05:11" (2/3) ... [2018-12-31 04:05:28,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55564d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:05:28, skipping insertion in model container [2018-12-31 04:05:28,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:05:28" (3/3) ... [2018-12-31 04:05:28,946 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b_true-unreach-call.c [2018-12-31 04:05:28,956 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:05:28,964 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:05:28,982 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:05:29,020 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:05:29,021 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:05:29,021 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:05:29,021 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:05:29,022 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:05:29,022 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:05:29,022 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:05:29,022 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:05:29,022 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:05:29,039 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-12-31 04:05:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 04:05:29,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:05:29,048 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:05:29,051 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:05:29,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:05:29,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2018-12-31 04:05:29,062 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:05:29,063 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 04:05:29,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:05:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:05:29,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:05:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:05:29,411 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:05:29,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:05:29,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:05:29,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:05:29,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:05:29,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:05:29,454 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-12-31 04:05:29,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:05:29,475 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2018-12-31 04:05:29,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:05:29,477 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-12-31 04:05:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:05:29,489 INFO L225 Difference]: With dead ends: 86 [2018-12-31 04:05:29,489 INFO L226 Difference]: Without dead ends: 41 [2018-12-31 04:05:29,492 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 [2018-12-31 04:05:29,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-31 04:05:29,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-31 04:05:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-31 04:05:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2018-12-31 04:05:29,535 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2018-12-31 04:05:29,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:05:29,535 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2018-12-31 04:05:29,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:05:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2018-12-31 04:05:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 04:05:29,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:05:29,536 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:05:29,537 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:05:29,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:05:29,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2018-12-31 04:05:29,541 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:05:29,541 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 04:05:29,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:05:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:05:29,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:05:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:05:29,888 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:05:29,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:05:29,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 04:05:29,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 04:05:29,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 04:05:29,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 04:05:29,905 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 4 states. [2018-12-31 04:05:30,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:05:30,412 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2018-12-31 04:05:30,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 04:05:30,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-12-31 04:05:30,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:05:30,417 INFO L225 Difference]: With dead ends: 46 [2018-12-31 04:05:30,418 INFO L226 Difference]: Without dead ends: 12 [2018-12-31 04:05:30,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:05:30,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-12-31 04:05:30,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-12-31 04:05:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-12-31 04:05:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2018-12-31 04:05:30,424 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2018-12-31 04:05:30,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:05:30,424 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2018-12-31 04:05:30,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 04:05:30,425 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2018-12-31 04:05:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 04:05:30,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:05:30,425 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:05:30,426 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:05:30,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:05:30,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2018-12-31 04:05:30,427 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:05:30,427 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 04:05:30,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:05:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:05:30,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:05:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:05:30,880 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:05:30,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:05:30,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 04:05:30,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 04:05:30,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 04:05:30,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-31 04:05:30,895 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 7 states. [2018-12-31 04:05:31,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:05:31,712 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2018-12-31 04:05:31,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 04:05:31,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2018-12-31 04:05:31,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:05:31,714 INFO L225 Difference]: With dead ends: 12 [2018-12-31 04:05:31,714 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 04:05:31,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-12-31 04:05:31,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 04:05:31,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 04:05:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 04:05:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 04:05:31,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-12-31 04:05:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:05:31,719 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 04:05:31,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 04:05:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 04:05:31,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 04:05:31,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 04:05:31,995 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-31 04:05:31,995 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-12-31 04:05:31,995 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-12-31 04:05:31,995 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2018-12-31 04:05:31,996 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2018-12-31 04:05:31,996 INFO L448 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2018-12-31 04:05:31,996 INFO L444 ceAbstractionStarter]: At program point L94(lines 20 96) the Hoare annotation is: false [2018-12-31 04:05:31,996 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 04:05:31,996 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 04:05:31,997 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-12-31 04:05:31,997 INFO L448 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-12-31 04:05:31,997 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-31 04:05:31,997 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2018-12-31 04:05:31,998 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 (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)) (= .cse0 ~zero~0) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)) (= .cse1 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0))) (= .cse1 ULTIMATE.start___ieee754_log10f_~x))) [2018-12-31 04:05:31,998 INFO L451 ceAbstractionStarter]: At program point L163(lines 147 164) the Hoare annotation is: true [2018-12-31 04:05:31,998 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-31 04:05:31,998 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-12-31 04:05:31,998 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2018-12-31 04:05:31,998 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-12-31 04:05:31,999 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-12-31 04:05:31,999 INFO L444 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: false [2018-12-31 04:05:31,999 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 04:05:31,999 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-12-31 04:05:31,999 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-12-31 04:05:31,999 INFO L444 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2018-12-31 04:05:32,000 INFO L448 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-12-31 04:05:32,000 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-31 04:05:32,000 INFO L444 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2018-12-31 04:05:32,000 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-31 04:05:32,000 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-12-31 04:05:32,000 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-12-31 04:05:32,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 04:05:32,001 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-12-31 04:05:32,001 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-12-31 04:05:32,001 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2018-12-31 04:05:32,001 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-12-31 04:05:32,001 INFO L444 ceAbstractionStarter]: At program point L141(lines 105 142) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= .cse0 ~zero~0) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)) (= .cse1 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0))) (= .cse1 ULTIMATE.start___ieee754_log10f_~x))) [2018-12-31 04:05:32,002 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 161) no Hoare annotation was computed. [2018-12-31 04:05:32,002 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-12-31 04:05:32,003 INFO L444 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: false [2018-12-31 04:05:32,003 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2018-12-31 04:05:32,003 INFO L444 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x)) [2018-12-31 04:05:32,003 INFO L448 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2018-12-31 04:05:32,003 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-12-31 04:05:32,014 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,018 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,020 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,020 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,020 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,020 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,021 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,021 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,021 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,027 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,028 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,029 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,030 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,030 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,030 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,030 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,031 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,032 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,032 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,032 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,032 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,033 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,033 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,033 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,034 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,034 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,034 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,034 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:05:32 BoogieIcfgContainer [2018-12-31 04:05:32,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:05:32,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:05:32,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:05:32,038 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:05:32,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:05:28" (3/4) ... [2018-12-31 04:05:32,043 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 04:05:32,059 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-31 04:05:32,060 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 04:05:32,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~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())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2018-12-31 04:05:32,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(\result, 4294967295bv32) == 0bv32 && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~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())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2018-12-31 04:05:32,168 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 04:05:32,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:05:32,173 INFO L168 Benchmark]: Toolchain (without parser) took 20934.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.7 MB in the beginning and 992.5 MB in the end (delta: -39.8 MB). Peak memory consumption was 94.9 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:32,175 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:05:32,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.25 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:32,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:32,180 INFO L168 Benchmark]: Boogie Preprocessor took 76.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:32,180 INFO L168 Benchmark]: RCFGBuilder took 16954.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:32,181 INFO L168 Benchmark]: TraceAbstraction took 3100.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:32,181 INFO L168 Benchmark]: Witness Printer took 134.19 ms. Allocated memory is still 1.2 GB. Free memory was 999.2 MB in the beginning and 992.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:05:32,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.25 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16954.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3100.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 11.5 GB. * Witness Printer took 134.19 ms. Allocated memory is still 1.2 GB. Free memory was 999.2 MB in the beginning and 992.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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: 159]: 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: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant [2018-12-31 04:05:32,192 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,192 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,198 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,199 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,199 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,199 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant [2018-12-31 04:05:32,200 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,204 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,204 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,204 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,204 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,208 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,208 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,209 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,209 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,209 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,209 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,209 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,210 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~bvadd64(\result, 4294967295bv32) == 0bv32 && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~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())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 105]: Loop Invariant [2018-12-31 04:05:32,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,226 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,226 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,226 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,226 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,227 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,227 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,227 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:05:32,227 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~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())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 71 SDtfs, 29 SDslu, 15 SDs, 0 SdLazy, 17 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 133 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 1735 SizeOfPredicates, 13 NumberOfNonLiveVariables, 126 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...