./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_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_1052d_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 204277589f1e9105606b7fb7cfd8af760c5fd585 ...................................................................................................................................................................................................................................................................................... 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_1052d_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 204277589f1e9105606b7fb7cfd8af760c5fd585 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:08:21,726 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:08:21,727 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:08:21,740 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:08:21,741 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:08:21,742 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:08:21,743 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:08:21,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:08:21,747 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:08:21,748 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:08:21,749 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:08:21,750 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:08:21,751 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:08:21,751 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:08:21,753 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:08:21,754 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:08:21,755 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:08:21,757 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:08:21,760 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:08:21,761 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:08:21,763 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:08:21,764 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:08:21,767 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:08:21,767 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:08:21,767 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:08:21,768 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:08:21,770 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:08:21,771 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:08:21,772 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:08:21,773 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:08:21,773 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:08:21,774 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:08:21,774 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:08:21,774 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:08:21,776 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:08:21,777 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:08:21,777 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:08:21,794 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:08:21,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:08:21,795 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:08:21,795 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:08:21,796 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:08:21,796 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:08:21,797 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:08:21,797 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:08:21,797 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:08:21,797 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:08:21,797 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:08:21,797 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:08:21,798 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:08:21,798 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:08:21,798 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:08:21,798 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:08:21,798 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:08:21,798 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:08:21,799 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:08:21,800 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:08:21,800 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:08:21,801 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:21,801 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:08:21,801 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:08:21,801 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:08:21,801 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:08:21,802 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:08:21,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:08:21,803 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 -> 204277589f1e9105606b7fb7cfd8af760c5fd585 [2019-01-12 09:08:21,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:08:21,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:08:21,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:08:21,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:08:21,877 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:08:21,878 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c [2019-01-12 09:08:21,928 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e8253b94/015716cc865341169e401094706920d6/FLAGf26894ed0 [2019-01-12 09:08:22,419 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:08:22,421 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c [2019-01-12 09:08:22,430 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e8253b94/015716cc865341169e401094706920d6/FLAGf26894ed0 [2019-01-12 09:08:22,728 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e8253b94/015716cc865341169e401094706920d6 [2019-01-12 09:08:22,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:08:22,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:08:22,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:22,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:08:22,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:08:22,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:22" (1/1) ... [2019-01-12 09:08:22,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4998b6ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:22, skipping insertion in model container [2019-01-12 09:08:22,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:22" (1/1) ... [2019-01-12 09:08:22,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:08:22,772 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:08:22,971 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:22,975 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:08:23,042 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:23,066 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:08:23,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23 WrapperNode [2019-01-12 09:08:23,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:23,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:23,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:08:23,068 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:08:23,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:23,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:08:23,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:08:23,190 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:08:23,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (1/1) ... [2019-01-12 09:08:23,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:08:23,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:08:23,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:08:23,223 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:08:23,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (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 09:08:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:08:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:08:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:08:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:08:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:08:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:08:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:08:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:08:23,842 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:08:23,842 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:08:23,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:23 BoogieIcfgContainer [2019-01-12 09:08:23,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:08:23,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:08:23,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:08:23,849 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:08:23,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:08:22" (1/3) ... [2019-01-12 09:08:23,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a93c404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:23, skipping insertion in model container [2019-01-12 09:08:23,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:23" (2/3) ... [2019-01-12 09:08:23,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a93c404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:23, skipping insertion in model container [2019-01-12 09:08:23,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:23" (3/3) ... [2019-01-12 09:08:23,853 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d_true-unreach-call.c [2019-01-12 09:08:23,861 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:08:23,868 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:08:23,880 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:08:23,908 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:08:23,909 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:08:23,909 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:08:23,909 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:08:23,910 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:08:23,910 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:08:23,910 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:08:23,910 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:08:23,910 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:08:23,925 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-01-12 09:08:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:08:23,932 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:23,933 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:23,935 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:23,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:23,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2019-01-12 09:08:23,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:08:23,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:08:23,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:23,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:23,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:24,052 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 09:08:24,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:24,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:08:24,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:08:24,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:08:24,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:24,072 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-01-12 09:08:24,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:24,091 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2019-01-12 09:08:24,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:08:24,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-01-12 09:08:24,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:24,107 INFO L225 Difference]: With dead ends: 74 [2019-01-12 09:08:24,107 INFO L226 Difference]: Without dead ends: 35 [2019-01-12 09:08:24,111 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 09:08:24,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-12 09:08:24,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-12 09:08:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-12 09:08:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2019-01-12 09:08:24,145 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2019-01-12 09:08:24,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:24,145 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-01-12 09:08:24,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:08:24,145 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2019-01-12 09:08:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:08:24,146 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:24,146 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:24,147 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:24,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:24,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2019-01-12 09:08:24,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:08:24,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:08:24,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:24,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:24,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:08:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:08:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:08:24,243 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:08:24,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:08:24 BoogieIcfgContainer [2019-01-12 09:08:24,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:08:24,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:08:24,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:08:24,272 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:08:24,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:23" (3/4) ... [2019-01-12 09:08:24,277 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:08:24,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:08:24,278 INFO L168 Benchmark]: Toolchain (without parser) took 1545.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:24,280 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 09:08:24,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.32 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 939.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:24,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:24,282 INFO L168 Benchmark]: Boogie Preprocessor took 32.45 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 09:08:24,283 INFO L168 Benchmark]: RCFGBuilder took 621.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:24,284 INFO L168 Benchmark]: TraceAbstraction took 426.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:24,285 INFO L168 Benchmark]: Witness Printer took 5.27 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 09:08:24,290 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 333.32 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 939.3 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 121.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 621.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 426.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.27 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: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 37, overapproximation of bitwiseOr at line 38, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] double x = 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND TRUE j0 < 20 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L27] COND FALSE !(j0 < 0) [L37] i = (0x000fffff) >> j0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L38] COND TRUE ((i0 & i) | i1) == 0 [L39] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L99] double res = floor_double(x); [L102] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L102] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L103] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 53 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=38occurred 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 09:08:26,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:08:26,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:08:26,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:08:26,523 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:08:26,524 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:08:26,525 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:08:26,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:08:26,529 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:08:26,530 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:08:26,531 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:08:26,532 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:08:26,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:08:26,534 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:08:26,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:08:26,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:08:26,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:08:26,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:08:26,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:08:26,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:08:26,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:08:26,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:08:26,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:08:26,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:08:26,550 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:08:26,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:08:26,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:08:26,554 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:08:26,555 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:08:26,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:08:26,557 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:08:26,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:08:26,558 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:08:26,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:08:26,559 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:08:26,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:08:26,561 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:08:26,583 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:08:26,585 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:08:26,587 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:08:26,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:08:26,588 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:08:26,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:08:26,588 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:08:26,588 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:08:26,589 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:08:26,589 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:08:26,589 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:08:26,589 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:08:26,589 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:08:26,590 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:08:26,591 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:08:26,592 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:08:26,592 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:08:26,592 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:08:26,592 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:08:26,592 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:08:26,592 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:08:26,594 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:08:26,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:26,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:08:26,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:08:26,595 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:08:26,596 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:08:26,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:08:26,596 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:08:26,597 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:08:26,597 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 -> 204277589f1e9105606b7fb7cfd8af760c5fd585 [2019-01-12 09:08:26,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:08:26,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:08:26,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:08:26,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:08:26,684 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:08:26,685 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c [2019-01-12 09:08:26,746 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31ce37e4f/e025635ec0304758a64c0f9983e2093d/FLAG9589b9ae4 [2019-01-12 09:08:27,166 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:08:27,167 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c [2019-01-12 09:08:27,173 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31ce37e4f/e025635ec0304758a64c0f9983e2093d/FLAG9589b9ae4 [2019-01-12 09:08:27,525 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31ce37e4f/e025635ec0304758a64c0f9983e2093d [2019-01-12 09:08:27,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:08:27,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:08:27,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:27,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:08:27,540 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:08:27,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:27,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb0f458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27, skipping insertion in model container [2019-01-12 09:08:27,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:27,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:08:27,578 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:08:27,840 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:27,851 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:08:27,911 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:08:27,947 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:08:27,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27 WrapperNode [2019-01-12 09:08:27,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:08:27,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:27,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:08:27,949 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:08:27,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:27,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:27,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:08:27,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:08:27,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:08:27,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:08:28,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:28,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:28,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:28,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:28,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:28,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:28,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... [2019-01-12 09:08:28,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:08:28,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:08:28,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:08:28,100 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:08:28,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:08:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-01-12 09:08:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-01-12 09:08:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:08:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:08:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:08:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:08:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:08:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:08:28,504 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:08:29,774 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:08:29,796 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:08:29,797 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:08:29,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:29 BoogieIcfgContainer [2019-01-12 09:08:29,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:08:29,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:08:29,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:08:29,802 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:08:29,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:08:27" (1/3) ... [2019-01-12 09:08:29,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f24f0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:29, skipping insertion in model container [2019-01-12 09:08:29,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:08:27" (2/3) ... [2019-01-12 09:08:29,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f24f0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:08:29, skipping insertion in model container [2019-01-12 09:08:29,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:08:29" (3/3) ... [2019-01-12 09:08:29,806 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d_true-unreach-call.c [2019-01-12 09:08:29,815 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:08:29,822 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:08:29,839 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:08:29,869 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:08:29,870 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:08:29,870 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:08:29,870 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:08:29,870 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:08:29,870 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:08:29,871 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:08:29,871 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:08:29,871 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:08:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-01-12 09:08:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:08:29,890 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:29,891 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:29,894 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:29,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:29,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2019-01-12 09:08:29,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:29,903 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:08:29,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:29,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:29,978 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 09:08:29,978 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:29,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:29,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:08:29,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:08:30,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:08:30,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:08:30,011 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-01-12 09:08:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:30,031 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2019-01-12 09:08:30,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:08:30,032 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-01-12 09:08:30,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:30,043 INFO L225 Difference]: With dead ends: 74 [2019-01-12 09:08:30,043 INFO L226 Difference]: Without dead ends: 35 [2019-01-12 09:08:30,047 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 09:08:30,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-12 09:08:30,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-12 09:08:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-12 09:08:30,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2019-01-12 09:08:30,085 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2019-01-12 09:08:30,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:30,085 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-01-12 09:08:30,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:08:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2019-01-12 09:08:30,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:08:30,086 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:30,087 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:30,088 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:30,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2019-01-12 09:08:30,089 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:30,090 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 09:08:30,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:30,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:30,409 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 09:08:30,409 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:30,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:30,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:08:30,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:08:30,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:08:30,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:08:30,427 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand 5 states. [2019-01-12 09:08:31,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:31,110 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2019-01-12 09:08:31,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:08:31,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-01-12 09:08:31,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:31,114 INFO L225 Difference]: With dead ends: 47 [2019-01-12 09:08:31,116 INFO L226 Difference]: Without dead ends: 21 [2019-01-12 09:08:31,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:08:31,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-12 09:08:31,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-12 09:08:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-12 09:08:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-12 09:08:31,124 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2019-01-12 09:08:31,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:31,125 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-12 09:08:31,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:08:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-12 09:08:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-12 09:08:31,126 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:31,127 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:31,127 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:31,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:31,127 INFO L82 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2019-01-12 09:08:31,129 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:31,129 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 09:08:31,140 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 09:08:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:31,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:31,363 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 09:08:31,363 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:31,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:31,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:08:31,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:08:31,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:08:31,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:08:31,379 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2019-01-12 09:08:31,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:31,503 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-01-12 09:08:31,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:08:31,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-01-12 09:08:31,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:31,506 INFO L225 Difference]: With dead ends: 33 [2019-01-12 09:08:31,506 INFO L226 Difference]: Without dead ends: 21 [2019-01-12 09:08:31,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:08:31,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-12 09:08:31,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-12 09:08:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-12 09:08:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-01-12 09:08:31,517 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2019-01-12 09:08:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:31,517 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-01-12 09:08:31,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:08:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-01-12 09:08:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 09:08:31,521 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:31,522 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:08:31,522 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:31,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:31,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2019-01-12 09:08:31,524 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:31,525 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) [2019-01-12 09:08:31,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:08:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:31,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:31,796 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 45 treesize of output 39 [2019-01-12 09:08:31,807 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 39 treesize of output 36 [2019-01-12 09:08:31,832 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 27 treesize of output 15 [2019-01-12 09:08:31,832 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-12 09:08:31,837 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:31,842 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:31,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:31,850 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-01-12 09:08:31,919 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 09:08:31,919 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:31,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:31,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:08:31,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:08:31,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:08:31,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:08:31,932 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2019-01-12 09:08:32,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:32,312 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-01-12 09:08:32,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:08:32,313 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-01-12 09:08:32,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:32,314 INFO L225 Difference]: With dead ends: 24 [2019-01-12 09:08:32,314 INFO L226 Difference]: Without dead ends: 21 [2019-01-12 09:08:32,315 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:08:32,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-12 09:08:32,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-12 09:08:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-12 09:08:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-01-12 09:08:32,322 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-01-12 09:08:32,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:32,322 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-01-12 09:08:32,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:08:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-01-12 09:08:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-12 09:08:32,323 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:08:32,324 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 09:08:32,325 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:08:32,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:08:32,326 INFO L82 PathProgramCache]: Analyzing trace with hash -2014843095, now seen corresponding path program 1 times [2019-01-12 09:08:32,326 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:08:32,326 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-01-12 09:08:32,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:08:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:08:32,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:08:32,534 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 45 treesize of output 39 [2019-01-12 09:08:32,551 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 39 treesize of output 36 [2019-01-12 09:08:32,644 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 27 treesize of output 15 [2019-01-12 09:08:32,644 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-12 09:08:32,673 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:32,695 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:32,721 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:08:32,722 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-01-12 09:08:32,956 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 09:08:32,956 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:08:32,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:08:32,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-12 09:08:32,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-12 09:08:32,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-12 09:08:32,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-01-12 09:08:32,971 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2019-01-12 09:08:33,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:08:33,706 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-01-12 09:08:33,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 09:08:33,708 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2019-01-12 09:08:33,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:08:33,708 INFO L225 Difference]: With dead ends: 21 [2019-01-12 09:08:33,709 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:08:33,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-01-12 09:08:33,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:08:33,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:08:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:08:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:08:33,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-01-12 09:08:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:08:33,711 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:08:33,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-12 09:08:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:08:33,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:08:33,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:08:34,034 WARN L181 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-01-12 09:08:34,246 WARN L181 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-01-12 09:08:34,463 WARN L181 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-01-12 09:08:34,467 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2019-01-12 09:08:34,467 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2019-01-12 09:08:34,468 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 24) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= (_ +zero 11 53) ULTIMATE.start_floor_double_~x)) [2019-01-12 09:08:34,468 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2019-01-12 09:08:34,468 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-01-12 09:08:34,468 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 105) no Hoare annotation was computed. [2019-01-12 09:08:34,468 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:08:34,469 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:08:34,469 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 35) no Hoare annotation was computed. [2019-01-12 09:08:34,469 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-01-12 09:08:34,469 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2019-01-12 09:08:34,469 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 16 77) no Hoare annotation was computed. [2019-01-12 09:08:34,469 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 70 75) no Hoare annotation was computed. [2019-01-12 09:08:34,469 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-01-12 09:08:34,469 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 34) no Hoare annotation was computed. [2019-01-12 09:08:34,470 INFO L448 ceAbstractionStarter]: For program point L62-2(lines 62 63) no Hoare annotation was computed. [2019-01-12 09:08:34,470 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-01-12 09:08:34,470 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-01-12 09:08:34,470 INFO L444 ceAbstractionStarter]: At program point L88(lines 79 89) the Hoare annotation is: (let ((.cse1 (let ((.cse2 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (and (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_3|) ULTIMATE.start___signbit_double_~msw~0) (= (let ((.cse0 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= .cse1 ULTIMATE.start_floor_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_prenex_7) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= |ULTIMATE.start_floor_double_#res| .cse1) (= .cse1 ULTIMATE.start___signbit_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= ULTIMATE.start_floor_double_~i0~0 ((_ extract 63 32) v_prenex_7)))) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) |ULTIMATE.start_main_#t~short10| (= (_ bv0 32) ULTIMATE.start_floor_double_~i1~0) (= ULTIMATE.start_main_~res~0 .cse1))) [2019-01-12 09:08:34,471 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 69) no Hoare annotation was computed. [2019-01-12 09:08:34,471 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 34) no Hoare annotation was computed. [2019-01-12 09:08:34,471 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 68) no Hoare annotation was computed. [2019-01-12 09:08:34,471 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-01-12 09:08:34,471 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 45) no Hoare annotation was computed. [2019-01-12 09:08:34,471 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:08:34,471 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 66) no Hoare annotation was computed. [2019-01-12 09:08:34,472 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 57 66) no Hoare annotation was computed. [2019-01-12 09:08:34,472 INFO L448 ceAbstractionStarter]: For program point L82-1(lines 82 86) no Hoare annotation was computed. [2019-01-12 09:08:34,472 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 86) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 ULTIMATE.start_floor_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_prenex_7) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= |ULTIMATE.start_floor_double_#res| .cse0) (= .cse0 ULTIMATE.start___signbit_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= ULTIMATE.start_floor_double_~i0~0 ((_ extract 63 32) v_prenex_7)))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) |ULTIMATE.start_main_#t~short10| (= (_ bv0 32) ULTIMATE.start_floor_double_~i1~0) (= ULTIMATE.start_main_~res~0 .cse0))) [2019-01-12 09:08:34,472 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 82 86) no Hoare annotation was computed. [2019-01-12 09:08:34,473 INFO L451 ceAbstractionStarter]: At program point L107(lines 91 108) the Hoare annotation is: true [2019-01-12 09:08:34,473 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-01-12 09:08:34,473 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-01-12 09:08:34,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:08:34,473 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 65) no Hoare annotation was computed. [2019-01-12 09:08:34,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2019-01-12 09:08:34,473 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 69) no Hoare annotation was computed. [2019-01-12 09:08:34,474 INFO L444 ceAbstractionStarter]: At program point L76(lines 16 77) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 ULTIMATE.start_floor_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_prenex_7) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= |ULTIMATE.start_floor_double_#res| .cse0) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= ULTIMATE.start_floor_double_~i0~0 ((_ extract 63 32) v_prenex_7)))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= (_ bv0 32) ULTIMATE.start_floor_double_~i1~0))) [2019-01-12 09:08:34,478 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: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 09:08:34,490 INFO L168 Benchmark]: Toolchain (without parser) took 6960.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 950.0 MB in the beginning and 909.1 MB in the end (delta: 41.0 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:34,492 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:08:34,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.08 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 933.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:34,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.73 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:08:34,494 INFO L168 Benchmark]: Boogie Preprocessor took 104.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:34,500 INFO L168 Benchmark]: RCFGBuilder took 1698.63 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:34,500 INFO L168 Benchmark]: TraceAbstraction took 4680.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.1 MB in the end (delta: 177.1 MB). Peak memory consumption was 177.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:08:34,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 415.08 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 933.9 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 45.73 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1698.63 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4680.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.1 MB in the end (delta: 177.1 MB). Peak memory consumption was 177.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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...