./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1032b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_1032b_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 2fc40f01120ca51e77cbf79a7824b0aac7011828 ............................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_1032b_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 2fc40f01120ca51e77cbf79a7824b0aac7011828 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:08:06,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:08:06,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:08:06,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:08:06,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:08:06,546 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:08:06,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:08:06,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:08:06,550 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:08:06,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:08:06,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:08:06,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:08:06,553 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:08:06,554 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:08:06,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:08:06,556 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:08:06,557 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:08:06,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:08:06,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:08:06,563 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:08:06,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:08:06,565 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:08:06,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:08:06,567 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:08:06,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:08:06,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:08:06,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:08:06,570 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:08:06,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:08:06,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:08:06,572 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:08:06,573 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:08:06,573 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:08:06,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:08:06,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:08:06,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:08:06,576 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:08:06,596 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:08:06,597 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:08:06,598 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:08:06,598 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:08:06,598 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:08:06,598 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:08:06,599 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:08:06,600 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:08:06,600 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:08:06,600 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:08:06,600 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:08:06,600 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:08:06,600 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:08:06,601 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:08:06,601 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:08:06,601 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:08:06,601 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:08:06,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:08:06,601 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:08:06,602 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:08:06,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:08:06,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:06,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:08:06,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:08:06,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:08:06,604 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:08:06,605 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:08:06,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:08:06,605 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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2019-01-12 09:08:06,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:08:06,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:08:06,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:08:06,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:08:06,657 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:08:06,658 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1032b_true-unreach-call.c [2019-01-12 09:08:06,726 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2019121a5/7b673bfbe13b49f6b984b0f2592eea40/FLAGe7a78f681 [2019-01-12 09:08:07,218 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:08:07,219 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1032b_true-unreach-call.c [2019-01-12 09:08:07,227 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2019121a5/7b673bfbe13b49f6b984b0f2592eea40/FLAGe7a78f681 [2019-01-12 09:08:07,589 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2019121a5/7b673bfbe13b49f6b984b0f2592eea40 [2019-01-12 09:08:07,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:08:07,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:08:07,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:07,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:08:07,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:08:07,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:07,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225ade3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07, skipping insertion in model container [2019-01-12 09:08:07,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:07,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:08:07,643 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:08:07,880 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:07,884 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:08:07,937 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:07,977 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:08:07,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07 WrapperNode [2019-01-12 09:08:07,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:07,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:07,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:08:07,979 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:08:07,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:08,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:08:08,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:08:08,025 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:08:08,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... [2019-01-12 09:08:08,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:08:08,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:08:08,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:08:08,126 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:08:08,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:08:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:08:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:08:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:08:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:08:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:08:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:08:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:08:08,701 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:08:08,701 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:08:08,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:08 BoogieIcfgContainer [2019-01-12 09:08:08,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:08:08,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:08:08,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:08:08,708 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:08:08,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:08:07" (1/3) ... [2019-01-12 09:08:08,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c09aefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:08, skipping insertion in model container [2019-01-12 09:08:08,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:07" (2/3) ... [2019-01-12 09:08:08,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c09aefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:08, skipping insertion in model container [2019-01-12 09:08:08,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:08" (3/3) ... [2019-01-12 09:08:08,713 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b_true-unreach-call.c [2019-01-12 09:08:08,724 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:08:08,733 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:08:08,750 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:08:08,782 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:08:08,783 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:08:08,783 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:08:08,783 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:08:08,784 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:08:08,784 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:08:08,784 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:08:08,784 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:08:08,784 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:08:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-12 09:08:08,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:08:08,805 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:08,806 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:08,808 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:08,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:08,814 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-01-12 09:08:08,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:08:08,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:08:08,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:08,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:08,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:08:08,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:08,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:08:08,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:08:08,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:08:08,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:08,935 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-01-12 09:08:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:08,952 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-01-12 09:08:08,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:08:08,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-01-12 09:08:08,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:08,965 INFO L225 Difference]: With dead ends: 58 [2019-01-12 09:08:08,965 INFO L226 Difference]: Without dead ends: 27 [2019-01-12 09:08:08,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:08,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-12 09:08:09,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-12 09:08:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-12 09:08:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-01-12 09:08:09,007 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-01-12 09:08:09,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:09,007 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-01-12 09:08:09,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:08:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-01-12 09:08:09,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:08:09,008 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:09,009 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:09,009 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:09,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:09,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-01-12 09:08:09,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:08:09,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:08:09,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:09,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:09,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:08:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:08:09,109 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:08:09,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:08:09 BoogieIcfgContainer [2019-01-12 09:08:09,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:08:09,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:08:09,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:08:09,140 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:08:09,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:08" (3/4) ... [2019-01-12 09:08:09,145 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:08:09,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:08:09,146 INFO L168 Benchmark]: Toolchain (without parser) took 1553.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:09,148 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:08:09,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.26 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:09,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.87 ms. Allocated memory is still 1.0 GB. Free memory was 935.2 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:09,150 INFO L168 Benchmark]: Boogie Preprocessor took 100.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:09,151 INFO L168 Benchmark]: RCFGBuilder took 577.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:09,152 INFO L168 Benchmark]: TraceAbstraction took 434.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:09,153 INFO L168 Benchmark]: Witness Printer took 5.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:08:09,158 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.26 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.87 ms. Allocated memory is still 1.0 GB. Free memory was 935.2 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 577.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 434.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.52 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: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 34, overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of bitwiseAnd at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L86] double x = -0.0; [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L27] COND TRUE exponent_less_1023 < 20 [L28] COND FALSE !(exponent_less_1023 < 0) [L34] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L35] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L36] return x; [L87] double res = round_double(x); [L90] EXPR res == -0.0 && __signbit_double(res) == 1 [L90] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L91] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 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=30occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:08:11,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:08:11,491 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:08:11,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:08:11,504 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:08:11,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:08:11,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:08:11,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:08:11,510 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:08:11,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:08:11,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:08:11,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:08:11,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:08:11,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:08:11,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:08:11,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:08:11,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:08:11,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:08:11,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:08:11,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:08:11,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:08:11,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:08:11,530 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:08:11,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:08:11,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:08:11,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:08:11,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:08:11,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:08:11,536 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:08:11,537 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:08:11,537 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:08:11,538 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:08:11,538 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:08:11,539 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:08:11,540 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:08:11,541 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:08:11,541 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:08:11,557 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:08:11,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:08:11,559 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:08:11,559 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:08:11,559 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:08:11,559 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:08:11,560 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:08:11,560 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:08:11,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:08:11,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:08:11,560 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:08:11,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:08:11,562 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:08:11,562 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:08:11,562 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:08:11,563 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:08:11,563 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:08:11,563 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:08:11,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:08:11,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:08:11,565 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:08:11,565 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:08:11,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:11,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:08:11,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:08:11,566 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:08:11,566 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:08:11,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:08:11,567 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:08:11,567 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:08:11,567 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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2019-01-12 09:08:11,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:08:11,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:08:11,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:08:11,643 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:08:11,644 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:08:11,645 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1032b_true-unreach-call.c [2019-01-12 09:08:11,728 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e61a6e16/e141cb77ed614336b3012294f22f2756/FLAG133760fb9 [2019-01-12 09:08:12,186 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:08:12,186 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1032b_true-unreach-call.c [2019-01-12 09:08:12,194 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e61a6e16/e141cb77ed614336b3012294f22f2756/FLAG133760fb9 [2019-01-12 09:08:12,549 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e61a6e16/e141cb77ed614336b3012294f22f2756 [2019-01-12 09:08:12,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:08:12,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:08:12,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:12,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:08:12,558 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:08:12,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:12,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd00d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12, skipping insertion in model container [2019-01-12 09:08:12,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:12,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:08:12,602 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:08:12,840 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:12,851 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:08:12,898 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:12,938 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:08:12,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12 WrapperNode [2019-01-12 09:08:12,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:12,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:12,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:08:12,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:08:12,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:12,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:12,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:12,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:08:12,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:08:12,989 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:08:13,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:13,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:13,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:13,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:13,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:13,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:13,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... [2019-01-12 09:08:13,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:08:13,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:08:13,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:08:13,094 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:08:13,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-01-12 09:08:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-01-12 09:08:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:08:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:08:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:08:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:08:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:08:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:08:13,505 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:08:13,597 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:08:13,799 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:08:13,799 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:08:13,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:13 BoogieIcfgContainer [2019-01-12 09:08:13,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:08:13,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:08:13,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:08:13,806 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:08:13,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:08:12" (1/3) ... [2019-01-12 09:08:13,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40de0914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:13, skipping insertion in model container [2019-01-12 09:08:13,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:12" (2/3) ... [2019-01-12 09:08:13,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40de0914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:13, skipping insertion in model container [2019-01-12 09:08:13,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:13" (3/3) ... [2019-01-12 09:08:13,811 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b_true-unreach-call.c [2019-01-12 09:08:13,822 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:08:13,832 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:08:13,848 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:08:13,873 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:08:13,874 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:08:13,874 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:08:13,875 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:08:13,875 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:08:13,875 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:08:13,875 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:08:13,875 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:08:13,875 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:08:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-12 09:08:13,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:08:13,894 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:13,895 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:13,897 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:13,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:13,903 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-01-12 09:08:13,907 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:13,908 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) [2019-01-12 09:08:13,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:08:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:13,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:08:13,989 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:14,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:14,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:08:14,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:08:14,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:08:14,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:14,030 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-01-12 09:08:14,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:14,046 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-01-12 09:08:14,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:08:14,047 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-01-12 09:08:14,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:14,058 INFO L225 Difference]: With dead ends: 58 [2019-01-12 09:08:14,058 INFO L226 Difference]: Without dead ends: 27 [2019-01-12 09:08:14,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:14,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-12 09:08:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-12 09:08:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-12 09:08:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-01-12 09:08:14,096 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-01-12 09:08:14,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:14,096 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-01-12 09:08:14,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:08:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-01-12 09:08:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:08:14,098 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:14,098 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:14,098 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:14,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:14,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-01-12 09:08:14,099 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:14,099 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:08:14,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:14,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:08:14,339 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:14,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:14,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:08:14,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:08:14,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:08:14,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:08:14,357 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 5 states. [2019-01-12 09:08:15,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:15,010 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2019-01-12 09:08:15,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:08:15,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-01-12 09:08:15,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:15,013 INFO L225 Difference]: With dead ends: 40 [2019-01-12 09:08:15,013 INFO L226 Difference]: Without dead ends: 21 [2019-01-12 09:08:15,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:08:15,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-12 09:08:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-12 09:08:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-12 09:08:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-01-12 09:08:15,021 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2019-01-12 09:08:15,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:15,021 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-01-12 09:08:15,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:08:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-01-12 09:08:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 09:08:15,025 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:15,025 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:15,025 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:15,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:15,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2019-01-12 09:08:15,026 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:15,028 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) [2019-01-12 09:08:15,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:08:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:15,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:15,146 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2019-01-12 09:08:15,155 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2019-01-12 09:08:15,211 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2019-01-12 09:08:15,211 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-12 09:08:15,215 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:15,218 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:15,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-12 09:08:15,228 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2019-01-12 09:08:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:08:15,330 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:15,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:15,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 09:08:15,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-12 09:08:15,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-12 09:08:15,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:08:15,345 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 7 states. [2019-01-12 09:08:15,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:15,790 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-01-12 09:08:15,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:08:15,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2019-01-12 09:08:15,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:15,792 INFO L225 Difference]: With dead ends: 24 [2019-01-12 09:08:15,792 INFO L226 Difference]: Without dead ends: 21 [2019-01-12 09:08:15,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-01-12 09:08:15,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-12 09:08:15,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-12 09:08:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-12 09:08:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-01-12 09:08:15,802 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-01-12 09:08:15,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:15,803 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-01-12 09:08:15,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-12 09:08:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-01-12 09:08:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-12 09:08:15,804 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:15,804 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:15,804 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:15,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:15,805 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2019-01-12 09:08:15,806 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:15,807 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:08:15,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:15,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:15,968 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2019-01-12 09:08:15,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 37 [2019-01-12 09:08:15,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2019-01-12 09:08:15,999 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-12 09:08:16,004 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:16,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:16,028 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-01-12 09:08:16,029 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2019-01-12 09:08:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:08:16,540 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:16,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:16,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-12 09:08:16,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-12 09:08:16,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-12 09:08:16,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-01-12 09:08:16,556 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 11 states. [2019-01-12 09:08:17,620 WARN L181 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-01-12 09:08:17,806 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-01-12 09:08:17,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:17,884 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-01-12 09:08:17,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-12 09:08:17,886 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2019-01-12 09:08:17,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:17,886 INFO L225 Difference]: With dead ends: 21 [2019-01-12 09:08:17,887 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:08:17,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2019-01-12 09:08:17,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:08:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:08:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:08:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:08:17,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-01-12 09:08:17,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:17,890 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:08:17,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-12 09:08:17,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:08:17,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:08:17,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:08:18,185 WARN L181 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-01-12 09:08:18,574 WARN L181 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-01-12 09:08:18,861 WARN L181 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-01-12 09:08:18,864 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 56) no Hoare annotation was computed. [2019-01-12 09:08:18,865 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-01-12 09:08:18,865 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2019-01-12 09:08:18,865 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2019-01-12 09:08:18,866 INFO L444 ceAbstractionStarter]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (exists ((v_ULTIMATE.start_round_double_~msw~0_16 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_16) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start_round_double_~x (let ((.cse1 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))))) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (= (let ((.cse2 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_round_double_#res|))) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (= ULTIMATE.start_main_~res~0 (let ((.cse3 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= ULTIMATE.start_round_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_round_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= ULTIMATE.start_round_double_~lsw~0 (_ bv0 32)) |ULTIMATE.start_main_#t~short10| (exists ((v_ULTIMATE.start_round_double_~msw~0_16 (_ BitVec 32))) (= (let ((.cse4 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_16) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_round_double_#res|)) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (= (let ((.cse5 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) ULTIMATE.start___signbit_double_~x)))) [2019-01-12 09:08:18,867 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-01-12 09:08:18,867 INFO L448 ceAbstractionStarter]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2019-01-12 09:08:18,867 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:08:18,867 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:08:18,868 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:08:18,868 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 40) no Hoare annotation was computed. [2019-01-12 09:08:18,868 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-01-12 09:08:18,868 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-01-12 09:08:18,868 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 17 64) no Hoare annotation was computed. [2019-01-12 09:08:18,868 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 93) no Hoare annotation was computed. [2019-01-12 09:08:18,868 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 57 62) no Hoare annotation was computed. [2019-01-12 09:08:18,868 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-01-12 09:08:18,869 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (= ULTIMATE.start_round_double_~x (fp.neg (_ +zero 11 53))) [2019-01-12 09:08:18,869 INFO L448 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2019-01-12 09:08:18,869 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-01-12 09:08:18,869 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 56) no Hoare annotation was computed. [2019-01-12 09:08:18,869 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:08:18,869 INFO L451 ceAbstractionStarter]: At program point L95(lines 78 96) the Hoare annotation is: true [2019-01-12 09:08:18,869 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-01-12 09:08:18,870 INFO L444 ceAbstractionStarter]: At program point L75(lines 66 76) the Hoare annotation is: (and (exists ((v_ULTIMATE.start_round_double_~msw~0_16 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_16) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= ULTIMATE.start_round_double_~msw~0 ((_ extract 63 32) v_prenex_8)) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))))) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start_round_double_~x (let ((.cse1 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))))) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (= (let ((.cse2 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_round_double_#res|))) (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res|) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (= ULTIMATE.start_main_~res~0 (let ((.cse3 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_round_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= ULTIMATE.start_round_double_~lsw~0 (_ bv0 32)) (exists ((v_ULTIMATE.start_round_double_~msw~0_16 (_ BitVec 32))) (= (let ((.cse4 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_16) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_round_double_#res|)) |ULTIMATE.start_main_#t~short10| (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (= (let ((.cse5 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) ULTIMATE.start___signbit_double_~x))) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64)) (v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (let ((.cse6 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))) (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (= ((_ extract 63 32) |v_q#valueAsBitvector_3|) ULTIMATE.start___signbit_double_~msw~1)))) [2019-01-12 09:08:18,870 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 45) no Hoare annotation was computed. [2019-01-12 09:08:18,876 INFO L444 ceAbstractionStarter]: At program point L63(lines 17 64) the Hoare annotation is: (and (exists ((v_ULTIMATE.start_round_double_~msw~0_16 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_16) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= ULTIMATE.start_round_double_~x (let ((.cse1 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))))) (exists ((v_prenex_8 (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (= (let ((.cse2 (concat ((_ extract 63 32) v_prenex_8) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_round_double_#res|))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= ULTIMATE.start_round_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_round_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= ULTIMATE.start_round_double_~lsw~0 (_ bv0 32)) (exists ((v_ULTIMATE.start_round_double_~msw~0_16 (_ BitVec 32))) (= (let ((.cse3 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_16) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start_round_double_#res|))) [2019-01-12 09:08:18,876 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-01-12 09:08:18,876 INFO L448 ceAbstractionStarter]: For program point L30-2(lines 30 31) no Hoare annotation was computed. [2019-01-12 09:08:18,877 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-01-12 09:08:18,882 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-12 09:08:18,888 INFO L168 Benchmark]: Toolchain (without parser) took 6332.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 951.3 MB in the beginning and 922.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 185.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:18,890 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:08:18,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.45 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:18,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.60 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:08:18,892 INFO L168 Benchmark]: Boogie Preprocessor took 104.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -209.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:18,897 INFO L168 Benchmark]: RCFGBuilder took 707.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:18,899 INFO L168 Benchmark]: TraceAbstraction took 5082.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.3 MB in the end (delta: 191.5 MB). Peak memory consumption was 191.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:18,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.45 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.60 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -209.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 707.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5082.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.3 MB in the end (delta: 191.5 MB). Peak memory consumption was 191.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...