./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_1032a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_1032a_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 9a3696439220bbea1d6ed5ed3b22aa10206af5de ......................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_1032a_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 9a3696439220bbea1d6ed5ed3b22aa10206af5de ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:15:43,753 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:15:43,755 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:15:43,767 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:15:43,768 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:15:43,769 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:15:43,771 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:15:43,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:15:43,774 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:15:43,776 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:15:43,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:15:43,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:15:43,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:15:43,780 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:15:43,781 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:15:43,782 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:15:43,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:15:43,785 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:15:43,788 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:15:43,789 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:15:43,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:15:43,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:15:43,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:15:43,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:15:43,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:15:43,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:15:43,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:15:43,799 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:15:43,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:15:43,801 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:15:43,801 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:15:43,802 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:15:43,802 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:15:43,802 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:15:43,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:15:43,805 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:15:43,805 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:15:43,820 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:15:43,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:15:43,822 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:15:43,822 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:15:43,822 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:15:43,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:15:43,823 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:15:43,823 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:15:43,824 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:15:43,824 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:15:43,824 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:15:43,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:15:43,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:15:43,824 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:15:43,825 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:15:43,826 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:15:43,826 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:15:43,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:15:43,826 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:15:43,826 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:15:43,827 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:15:43,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:15:43,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:15:43,828 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:15:43,828 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:15:43,828 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:15:43,828 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:15:43,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:15:43,829 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 -> 9a3696439220bbea1d6ed5ed3b22aa10206af5de [2019-01-12 09:15:43,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:15:43,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:15:43,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:15:43,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:15:43,897 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:15:43,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2019-01-12 09:15:43,959 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fcfa7636/d7983f3d3f0147089b82e3a3619de615/FLAG2b221cdb9 [2019-01-12 09:15:44,426 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:15:44,427 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2019-01-12 09:15:44,434 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fcfa7636/d7983f3d3f0147089b82e3a3619de615/FLAG2b221cdb9 [2019-01-12 09:15:44,791 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fcfa7636/d7983f3d3f0147089b82e3a3619de615 [2019-01-12 09:15:44,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:15:44,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:15:44,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:15:44,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:15:44,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:15:44,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:15:44" (1/1) ... [2019-01-12 09:15:44,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa91f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:44, skipping insertion in model container [2019-01-12 09:15:44,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:15:44" (1/1) ... [2019-01-12 09:15:44,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:15:44,846 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:15:45,054 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:15:45,059 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:15:45,089 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:15:45,112 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:15:45,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45 WrapperNode [2019-01-12 09:15:45,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:15:45,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:15:45,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:15:45,114 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:15:45,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:15:45,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:15:45,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:15:45,161 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:15:45,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (1/1) ... [2019-01-12 09:15:45,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:15:45,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:15:45,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:15:45,293 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:15:45,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (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 09:15:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:15:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:15:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:15:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:15:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:15:45,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:15:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:15:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:15:45,841 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:15:45,841 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:15:45,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:45 BoogieIcfgContainer [2019-01-12 09:15:45,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:15:45,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:15:45,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:15:45,848 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:15:45,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:15:44" (1/3) ... [2019-01-12 09:15:45,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfdb246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:15:45, skipping insertion in model container [2019-01-12 09:15:45,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:45" (2/3) ... [2019-01-12 09:15:45,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfdb246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:15:45, skipping insertion in model container [2019-01-12 09:15:45,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:45" (3/3) ... [2019-01-12 09:15:45,854 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032a_true-unreach-call.c [2019-01-12 09:15:45,865 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:15:45,876 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:15:45,894 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:15:45,927 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:15:45,928 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:15:45,928 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:15:45,928 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:15:45,928 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:15:45,929 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:15:45,929 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:15:45,929 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:15:45,929 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:15:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-01-12 09:15:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:15:45,951 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:45,952 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:45,954 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:45,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1590452317, now seen corresponding path program 1 times [2019-01-12 09:15:45,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:15:45,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:15:46,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:15:46,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:15:46,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:15:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:15:46,087 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 09:15:46,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:15:46,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:15:46,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:15:46,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:15:46,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:15:46,108 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-01-12 09:15:46,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:15:46,124 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2019-01-12 09:15:46,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:15:46,126 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:15:46,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:15:46,136 INFO L225 Difference]: With dead ends: 48 [2019-01-12 09:15:46,136 INFO L226 Difference]: Without dead ends: 22 [2019-01-12 09:15:46,139 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 09:15:46,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-12 09:15:46,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-12 09:15:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-12 09:15:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2019-01-12 09:15:46,172 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 10 [2019-01-12 09:15:46,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:15:46,172 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2019-01-12 09:15:46,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:15:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2019-01-12 09:15:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:15:46,173 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:46,173 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:46,174 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:46,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:46,174 INFO L82 PathProgramCache]: Analyzing trace with hash -744854880, now seen corresponding path program 1 times [2019-01-12 09:15:46,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:15:46,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:15:46,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:15:46,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:15:46,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:15:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:15:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:15:46,275 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:15:46,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:15:46 BoogieIcfgContainer [2019-01-12 09:15:46,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:15:46,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:15:46,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:15:46,297 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:15:46,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:45" (3/4) ... [2019-01-12 09:15:46,301 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:15:46,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:15:46,302 INFO L168 Benchmark]: Toolchain (without parser) took 1503.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:46,305 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 09:15:46,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.72 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:46,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.43 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:46,307 INFO L168 Benchmark]: Boogie Preprocessor took 131.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:46,308 INFO L168 Benchmark]: RCFGBuilder took 550.23 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:46,309 INFO L168 Benchmark]: TraceAbstraction took 452.49 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:46,310 INFO L168 Benchmark]: Witness Printer took 4.23 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 09:15:46,315 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 312.72 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.43 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 131.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 550.23 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 452.49 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.23 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: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of bitwiseAnd at line 23, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L75] float x = 0.0f; [L13] __uint32_t w; [L15] int exponent_less_127; [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L25] COND FALSE !(exponent_less_127 < 23) [L41] COND TRUE exponent_less_127 == 128 [L43] return x + x; [L76] float res = round_float(x); [L79] EXPR res == 0.0f && __signbit_float(res) == 0 [L79] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L80] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 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=25occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 09:15:48,566 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:15:48,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:15:48,585 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:15:48,586 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:15:48,588 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:15:48,590 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:15:48,601 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:15:48,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:15:48,606 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:15:48,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:15:48,608 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:15:48,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:15:48,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:15:48,619 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:15:48,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:15:48,625 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:15:48,627 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:15:48,632 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:15:48,636 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:15:48,637 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:15:48,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:15:48,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:15:48,648 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:15:48,648 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:15:48,649 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:15:48,650 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:15:48,651 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:15:48,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:15:48,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:15:48,659 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:15:48,660 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:15:48,660 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:15:48,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:15:48,663 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:15:48,665 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:15:48,666 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:15:48,697 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:15:48,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:15:48,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:15:48,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:15:48,700 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:15:48,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:15:48,700 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:15:48,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:15:48,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:15:48,703 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:15:48,703 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:15:48,703 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:15:48,703 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:15:48,703 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:15:48,703 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:15:48,704 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:15:48,705 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:15:48,705 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:15:48,705 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:15:48,705 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:15:48,705 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:15:48,705 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:15:48,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:15:48,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:15:48,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:15:48,708 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:15:48,708 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:15:48,709 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:15:48,709 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:15:48,710 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:15:48,710 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 -> 9a3696439220bbea1d6ed5ed3b22aa10206af5de [2019-01-12 09:15:48,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:15:48,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:15:48,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:15:48,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:15:48,779 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:15:48,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2019-01-12 09:15:48,847 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945f837d5/f7f39e3eebd04e9aa771ef1fda1fa102/FLAGcff54dfbb [2019-01-12 09:15:49,242 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:15:49,243 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2019-01-12 09:15:49,250 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945f837d5/f7f39e3eebd04e9aa771ef1fda1fa102/FLAGcff54dfbb [2019-01-12 09:15:49,629 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945f837d5/f7f39e3eebd04e9aa771ef1fda1fa102 [2019-01-12 09:15:49,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:15:49,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:15:49,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:15:49,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:15:49,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:15:49,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:15:49" (1/1) ... [2019-01-12 09:15:49,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b41bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:49, skipping insertion in model container [2019-01-12 09:15:49,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:15:49" (1/1) ... [2019-01-12 09:15:49,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:15:49,679 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:15:49,950 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:15:49,960 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:15:50,003 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:15:50,035 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:15:50,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50 WrapperNode [2019-01-12 09:15:50,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:15:50,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:15:50,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:15:50,037 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:15:50,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:15:50,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:15:50,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:15:50,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:15:50,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (1/1) ... [2019-01-12 09:15:50,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:15:50,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:15:50,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:15:50,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:15:50,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (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 09:15:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:15:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:15:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:15:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:15:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:15:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:15:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:15:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:15:50,489 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:15:50,550 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:15:50,693 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:15:50,694 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:15:50,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:50 BoogieIcfgContainer [2019-01-12 09:15:50,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:15:50,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:15:50,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:15:50,703 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:15:50,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:15:49" (1/3) ... [2019-01-12 09:15:50,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758ca7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:15:50, skipping insertion in model container [2019-01-12 09:15:50,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:15:50" (2/3) ... [2019-01-12 09:15:50,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758ca7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:15:50, skipping insertion in model container [2019-01-12 09:15:50,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:50" (3/3) ... [2019-01-12 09:15:50,710 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032a_true-unreach-call.c [2019-01-12 09:15:50,720 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:15:50,728 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:15:50,745 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:15:50,773 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:15:50,774 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:15:50,774 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:15:50,774 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:15:50,775 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:15:50,775 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:15:50,775 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:15:50,775 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:15:50,775 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:15:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-01-12 09:15:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:15:50,795 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:50,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:50,798 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:50,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:50,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1590452317, now seen corresponding path program 1 times [2019-01-12 09:15:50,809 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:15:50,810 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 09:15:50,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:15:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:15:50,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:15:50,899 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 09:15:50,899 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:15:50,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:15:50,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:15:50,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:15:50,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:15:50,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:15:50,939 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-01-12 09:15:50,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:15:50,955 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2019-01-12 09:15:50,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:15:50,956 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:15:50,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:15:50,967 INFO L225 Difference]: With dead ends: 48 [2019-01-12 09:15:50,967 INFO L226 Difference]: Without dead ends: 22 [2019-01-12 09:15:50,970 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 09:15:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-12 09:15:50,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-12 09:15:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-12 09:15:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2019-01-12 09:15:50,999 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 10 [2019-01-12 09:15:50,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:15:50,999 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2019-01-12 09:15:51,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:15:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2019-01-12 09:15:51,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:15:51,001 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:51,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:51,001 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:51,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:51,001 INFO L82 PathProgramCache]: Analyzing trace with hash -744854880, now seen corresponding path program 1 times [2019-01-12 09:15:51,002 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:15:51,002 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 09:15:51,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:15:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:15:51,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:15:51,187 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 09:15:51,187 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:15:51,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:15:51,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:15:51,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:15:51,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:15:51,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:15:51,204 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand 5 states. [2019-01-12 09:15:51,472 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-01-12 09:15:51,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:15:51,573 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2019-01-12 09:15:51,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:15:51,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-12 09:15:51,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:15:51,575 INFO L225 Difference]: With dead ends: 34 [2019-01-12 09:15:51,575 INFO L226 Difference]: Without dead ends: 20 [2019-01-12 09:15:51,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:15:51,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-12 09:15:51,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-01-12 09:15:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-12 09:15:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-01-12 09:15:51,584 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11 [2019-01-12 09:15:51,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:15:51,585 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-01-12 09:15:51,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:15:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-01-12 09:15:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-12 09:15:51,585 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:51,586 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:51,586 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:51,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:51,586 INFO L82 PathProgramCache]: Analyzing trace with hash 3095257, now seen corresponding path program 1 times [2019-01-12 09:15:51,587 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:15:51,587 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:15:51,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:15:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:15:51,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:15:51,781 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 09:15:51,781 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:15:51,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:15:51,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:15:51,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:15:51,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:15:51,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:15:51,798 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 6 states. [2019-01-12 09:15:52,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:15:52,305 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-01-12 09:15:52,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:15:52,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-01-12 09:15:52,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:15:52,309 INFO L225 Difference]: With dead ends: 23 [2019-01-12 09:15:52,309 INFO L226 Difference]: Without dead ends: 20 [2019-01-12 09:15:52,309 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:15:52,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-12 09:15:52,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-01-12 09:15:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-12 09:15:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2019-01-12 09:15:52,322 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 15 [2019-01-12 09:15:52,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:15:52,322 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2019-01-12 09:15:52,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:15:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2019-01-12 09:15:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 09:15:52,325 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:15:52,325 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:15:52,325 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:15:52,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:15:52,327 INFO L82 PathProgramCache]: Analyzing trace with hash -318448082, now seen corresponding path program 1 times [2019-01-12 09:15:52,327 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:15:52,327 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 09:15:52,336 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 09:15:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:15:52,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:15:52,669 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 09:15:52,670 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:15:52,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:15:52,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-12 09:15:52,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-12 09:15:52,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-12 09:15:52,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-01-12 09:15:52,682 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 10 states. [2019-01-12 09:15:53,089 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-12 09:15:53,559 WARN L181 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-01-12 09:15:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:15:53,567 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2019-01-12 09:15:53,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 09:15:53,569 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-01-12 09:15:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:15:53,570 INFO L225 Difference]: With dead ends: 20 [2019-01-12 09:15:53,570 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:15:53,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-01-12 09:15:53,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:15:53,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:15:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:15:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:15:53,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-01-12 09:15:53,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:15:53,572 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:15:53,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-12 09:15:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:15:53,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:15:53,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:15:53,861 WARN L181 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2019-01-12 09:15:53,993 INFO L444 ceAbstractionStarter]: At program point L64(lines 55 65) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_round_float_~x) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)) (_ +zero 8 24)) (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))) (= (bvadd (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_round_float_~exponent_less_127~0))) |ULTIMATE.start_main_#t~short8| (= (_ bv0 32) |ULTIMATE.start___signbit_float_#res|) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24)) (= |ULTIMATE.start_round_float_#res| (_ +zero 8 24))) [2019-01-12 09:15:53,994 INFO L444 ceAbstractionStarter]: At program point L52(lines 12 53) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_round_float_~x) (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))) (= (bvadd (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_round_float_~exponent_less_127~0))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))) (= |ULTIMATE.start_round_float_#res| (_ +zero 8 24))) [2019-01-12 09:15:53,994 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:15:53,994 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:15:53,994 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:15:53,994 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-01-12 09:15:53,994 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2019-01-12 09:15:53,995 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. [2019-01-12 09:15:53,995 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 35) no Hoare annotation was computed. [2019-01-12 09:15:53,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:15:53,995 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 46) no Hoare annotation was computed. [2019-01-12 09:15:53,995 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 58 62) no Hoare annotation was computed. [2019-01-12 09:15:53,995 INFO L444 ceAbstractionStarter]: At program point L58-2(lines 58 62) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_round_float_~x) (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))) (= (bvadd (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_round_float_~exponent_less_127~0))) |ULTIMATE.start_main_#t~short8| (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24)) (= |ULTIMATE.start_round_float_#res| (_ +zero 8 24))) [2019-01-12 09:15:53,996 INFO L448 ceAbstractionStarter]: For program point L58-3(lines 58 62) no Hoare annotation was computed. [2019-01-12 09:15:53,996 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-01-12 09:15:53,996 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (= (_ +zero 8 24) ULTIMATE.start_round_float_~x) [2019-01-12 09:15:53,996 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-01-12 09:15:53,996 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2019-01-12 09:15:53,996 INFO L448 ceAbstractionStarter]: For program point L79-2(lines 79 82) no Hoare annotation was computed. [2019-01-12 09:15:53,996 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 39) no Hoare annotation was computed. [2019-01-12 09:15:53,997 INFO L451 ceAbstractionStarter]: At program point L84(lines 67 85) the Hoare annotation is: true [2019-01-12 09:15:53,997 INFO L448 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-01-12 09:15:53,997 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-01-12 09:15:53,997 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 12 53) no Hoare annotation was computed. [2019-01-12 09:15:53,997 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-01-12 09:15:54,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:15:54 BoogieIcfgContainer [2019-01-12 09:15:54,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:15:54,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:15:54,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:15:54,030 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:15:54,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:15:50" (3/4) ... [2019-01-12 09:15:54,035 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:15:54,049 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-12 09:15:54,051 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:15:54,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:15:54,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == x && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == ~Pluszero~LONGDOUBLE() [2019-01-12 09:15:54,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~Pluszero~LONGDOUBLE() == x && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() [2019-01-12 09:15:54,099 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~Pluszero~LONGDOUBLE() == x && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && 0bv32 == \result) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() [2019-01-12 09:15:54,138 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:15:54,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:15:54,139 INFO L168 Benchmark]: Toolchain (without parser) took 4504.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.7 MB in the beginning and 969.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:54,141 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 09:15:54,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.70 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:54,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.28 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:54,142 INFO L168 Benchmark]: Boogie Preprocessor took 110.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:54,144 INFO L168 Benchmark]: RCFGBuilder took 502.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:54,145 INFO L168 Benchmark]: TraceAbstraction took 3332.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 139.9 MB). Peak memory consumption was 139.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:54,145 INFO L168 Benchmark]: Witness Printer took 108.77 ms. Allocated memory is still 1.2 GB. Free memory was 976.4 MB in the beginning and 969.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:15:54,151 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 399.70 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 46.28 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 502.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3332.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 139.9 MB). Peak memory consumption was 139.9 MB. Max. memory is 11.5 GB. * Witness Printer took 108.77 ms. Allocated memory is still 1.2 GB. Free memory was 976.4 MB in the beginning and 969.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 55]: Loop Invariant [2019-01-12 09:15:54,161 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,161 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == x && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && 0bv32 == \result) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 58]: Loop Invariant [2019-01-12 09:15:54,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] Derived loop invariant: (((((~Pluszero~LONGDOUBLE() == x && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 12]: Loop Invariant [2019-01-12 09:15:54,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,185 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2019-01-12 09:15:54,185 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] Derived loop invariant: ((~Pluszero~LONGDOUBLE() == x && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) && ~bvadd64(~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 62 SDtfs, 117 SDslu, 53 SDs, 0 SdLazy, 80 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 138 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 131 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 6 QuantifiedInterpolants, 3245 SizeOfPredicates, 21 NumberOfNonLiveVariables, 142 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...