./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1031_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_1031_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 b9e27277237c869a286fcb7699394ad2f7d80117 ............................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_1031_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 b9e27277237c869a286fcb7699394ad2f7d80117 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:57:43,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:57:43,089 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:57:43,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:57:43,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:57:43,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:57:43,104 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:57:43,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:57:43,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:57:43,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:57:43,110 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:57:43,110 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:57:43,112 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:57:43,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:57:43,114 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:57:43,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:57:43,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:57:43,118 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:57:43,120 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:57:43,122 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:57:43,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:57:43,125 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:57:43,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:57:43,128 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:57:43,128 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:57:43,129 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:57:43,131 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:57:43,131 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:57:43,132 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:57:43,134 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:57:43,134 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:57:43,135 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:57:43,135 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:57:43,135 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:57:43,136 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:57:43,137 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:57:43,138 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:57:43,154 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:57:43,155 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:57:43,156 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:57:43,156 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:57:43,156 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:57:43,157 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:57:43,157 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:57:43,157 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:57:43,157 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:57:43,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:57:43,158 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:57:43,158 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:57:43,158 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:57:43,158 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:57:43,159 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:57:43,159 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:57:43,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:57:43,159 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:57:43,160 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:57:43,160 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:57:43,160 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:57:43,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:57:43,161 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:57:43,161 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:57:43,161 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:57:43,161 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:57:43,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:57:43,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:57:43,162 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 -> b9e27277237c869a286fcb7699394ad2f7d80117 [2018-12-31 03:57:43,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:57:43,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:57:43,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:57:43,222 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:57:43,222 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:57:43,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1031_true-unreach-call.c [2018-12-31 03:57:43,280 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6eb5bceb/5e92a5e8c4dc4b22baae5ef25edf4fdc/FLAGbd93a710b [2018-12-31 03:57:43,773 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:57:43,773 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1031_true-unreach-call.c [2018-12-31 03:57:43,782 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6eb5bceb/5e92a5e8c4dc4b22baae5ef25edf4fdc/FLAGbd93a710b [2018-12-31 03:57:44,141 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6eb5bceb/5e92a5e8c4dc4b22baae5ef25edf4fdc [2018-12-31 03:57:44,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:57:44,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:57:44,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:57:44,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:57:44,162 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:57:44,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdfaa86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44, skipping insertion in model container [2018-12-31 03:57:44,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:57:44,207 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:57:44,435 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:57:44,440 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:57:44,477 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:57:44,511 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:57:44,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44 WrapperNode [2018-12-31 03:57:44,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:57:44,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:57:44,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:57:44,515 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:57:44,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:57:44,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:57:44,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:57:44,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:57:44,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... [2018-12-31 03:57:44,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:57:44,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:57:44,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:57:44,665 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:57:44,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:57:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:57:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:57:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:57:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:57:44,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:57:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:57:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:57:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:57:45,234 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:57:45,235 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-31 03:57:45,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:45 BoogieIcfgContainer [2018-12-31 03:57:45,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:57:45,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:57:45,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:57:45,240 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:57:45,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:57:44" (1/3) ... [2018-12-31 03:57:45,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc40eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:57:45, skipping insertion in model container [2018-12-31 03:57:45,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:44" (2/3) ... [2018-12-31 03:57:45,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc40eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:57:45, skipping insertion in model container [2018-12-31 03:57:45,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:45" (3/3) ... [2018-12-31 03:57:45,244 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1031_true-unreach-call.c [2018-12-31 03:57:45,255 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:57:45,268 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:57:45,288 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:57:45,317 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:57:45,318 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:57:45,318 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:57:45,318 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:57:45,319 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:57:45,319 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:57:45,319 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:57:45,319 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:57:45,319 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:57:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-12-31 03:57:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:57:45,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:45,343 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:45,345 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:45,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:45,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2068161395, now seen corresponding path program 1 times [2018-12-31 03:57:45,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:57:45,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:57:45,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:57:45,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:45,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:57:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:45,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:45,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:57:45,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:57:45,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:57:45,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:57:45,496 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2018-12-31 03:57:45,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:45,516 INFO L93 Difference]: Finished difference Result 50 states and 74 transitions. [2018-12-31 03:57:45,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:57:45,518 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 03:57:45,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:45,530 INFO L225 Difference]: With dead ends: 50 [2018-12-31 03:57:45,530 INFO L226 Difference]: Without dead ends: 23 [2018-12-31 03:57:45,533 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:57:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-12-31 03:57:45,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-12-31 03:57:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-31 03:57:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2018-12-31 03:57:45,566 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 11 [2018-12-31 03:57:45,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:45,566 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2018-12-31 03:57:45,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:57:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-12-31 03:57:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-31 03:57:45,567 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:45,567 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:45,568 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:45,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:45,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1606884976, now seen corresponding path program 1 times [2018-12-31 03:57:45,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:57:45,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:57:45,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:57:45,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:45,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:57:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:57:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:57:45,710 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:57:45,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:57:45 BoogieIcfgContainer [2018-12-31 03:57:45,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:57:45,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:57:45,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:57:45,742 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:57:45,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:45" (3/4) ... [2018-12-31 03:57:45,747 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:57:45,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:57:45,748 INFO L168 Benchmark]: Toolchain (without parser) took 1600.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -110.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:45,750 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:57:45,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.13 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:45,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.85 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:45,754 INFO L168 Benchmark]: Boogie Preprocessor took 96.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:45,755 INFO L168 Benchmark]: RCFGBuilder took 571.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:45,759 INFO L168 Benchmark]: TraceAbstraction took 504.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:45,761 INFO L168 Benchmark]: Witness Printer took 5.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:45,769 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.13 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.85 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 571.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 504.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 79]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 34, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of bitwiseAnd at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L74] double x = 0.0 / 0.0; [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L27] COND TRUE exponent_less_1023 < 20 [L28] COND FALSE !(exponent_less_1023 < 0) [L34] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L35] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L36] return x; [L75] double res = round_double(x); [L15] return x != x; [L78] COND TRUE !isnan_double(res) [L79] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 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=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:57:48,261 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:57:48,264 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:57:48,277 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:57:48,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:57:48,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:57:48,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:57:48,283 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:57:48,288 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:57:48,289 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:57:48,290 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:57:48,290 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:57:48,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:57:48,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:57:48,293 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:57:48,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:57:48,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:57:48,297 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:57:48,299 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:57:48,301 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:57:48,302 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:57:48,303 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:57:48,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:57:48,306 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:57:48,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:57:48,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:57:48,309 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:57:48,310 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:57:48,311 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:57:48,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:57:48,312 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:57:48,313 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:57:48,313 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:57:48,313 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:57:48,314 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:57:48,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:57:48,315 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:57:48,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:57:48,342 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:57:48,344 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:57:48,344 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:57:48,344 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:57:48,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:57:48,344 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:57:48,344 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:57:48,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:57:48,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:57:48,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:57:48,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:57:48,345 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:57:48,345 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:57:48,349 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:57:48,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:57:48,350 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:57:48,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:57:48,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:57:48,351 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:57:48,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:57:48,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:57:48,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:57:48,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:57:48,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:57:48,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:57:48,353 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:57:48,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:57:48,353 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:57:48,353 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:57:48,354 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 -> b9e27277237c869a286fcb7699394ad2f7d80117 [2018-12-31 03:57:48,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:57:48,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:57:48,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:57:48,416 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:57:48,417 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:57:48,417 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1031_true-unreach-call.c [2018-12-31 03:57:48,483 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffc0cc3e/c024a1a4d9ab44079586686e72255c0c/FLAG2de1785c6 [2018-12-31 03:57:48,982 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:57:48,983 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1031_true-unreach-call.c [2018-12-31 03:57:48,991 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffc0cc3e/c024a1a4d9ab44079586686e72255c0c/FLAG2de1785c6 [2018-12-31 03:57:49,330 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffc0cc3e/c024a1a4d9ab44079586686e72255c0c [2018-12-31 03:57:49,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:57:49,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:57:49,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:57:49,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:57:49,340 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:57:49,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e824407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49, skipping insertion in model container [2018-12-31 03:57:49,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:57:49,380 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:57:49,632 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:57:49,647 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:57:49,700 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:57:49,753 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:57:49,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49 WrapperNode [2018-12-31 03:57:49,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:57:49,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:57:49,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:57:49,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:57:49,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:57:49,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:57:49,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:57:49,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:57:49,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... [2018-12-31 03:57:49,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:57:49,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:57:49,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:57:49,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:57:49,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:57:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:57:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:57:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:57:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:57:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:57:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:57:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:57:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:57:50,318 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:57:50,652 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:57:50,652 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-31 03:57:50,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:50 BoogieIcfgContainer [2018-12-31 03:57:50,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:57:50,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:57:50,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:57:50,660 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:57:50,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:57:49" (1/3) ... [2018-12-31 03:57:50,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c949874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:57:50, skipping insertion in model container [2018-12-31 03:57:50,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:49" (2/3) ... [2018-12-31 03:57:50,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c949874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:57:50, skipping insertion in model container [2018-12-31 03:57:50,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:50" (3/3) ... [2018-12-31 03:57:50,665 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1031_true-unreach-call.c [2018-12-31 03:57:50,675 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:57:50,684 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:57:50,703 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:57:50,736 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:57:50,737 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:57:50,737 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:57:50,738 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:57:50,738 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:57:50,738 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:57:50,738 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:57:50,738 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:57:50,738 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:57:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-12-31 03:57:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:57:50,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:50,760 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:50,762 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:50,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:50,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2068161395, now seen corresponding path program 1 times [2018-12-31 03:57:50,772 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:57:50,772 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 03:57:50,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:50,841 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:57:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:50,857 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:57:50,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:50,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:57:50,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:57:50,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:57:50,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:57:50,905 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2018-12-31 03:57:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:50,923 INFO L93 Difference]: Finished difference Result 50 states and 74 transitions. [2018-12-31 03:57:50,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:57:50,924 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 03:57:50,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:50,936 INFO L225 Difference]: With dead ends: 50 [2018-12-31 03:57:50,937 INFO L226 Difference]: Without dead ends: 23 [2018-12-31 03:57:50,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:57:50,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-12-31 03:57:50,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-12-31 03:57:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-31 03:57:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2018-12-31 03:57:50,979 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 11 [2018-12-31 03:57:50,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:50,979 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2018-12-31 03:57:50,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:57:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-12-31 03:57:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-31 03:57:50,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:50,981 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:50,981 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:50,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:50,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1606884976, now seen corresponding path program 1 times [2018-12-31 03:57:50,983 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:57:50,983 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) [2018-12-31 03:57:50,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 03:57:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:51,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:57:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:51,274 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:57:51,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:51,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 03:57:51,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 03:57:51,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 03:57:51,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 03:57:51,291 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand 6 states. [2018-12-31 03:57:51,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:51,803 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2018-12-31 03:57:51,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:57:51,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-12-31 03:57:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:51,805 INFO L225 Difference]: With dead ends: 28 [2018-12-31 03:57:51,806 INFO L226 Difference]: Without dead ends: 22 [2018-12-31 03:57:51,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 03:57:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-12-31 03:57:51,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-12-31 03:57:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-31 03:57:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2018-12-31 03:57:51,812 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 12 [2018-12-31 03:57:51,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:51,812 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2018-12-31 03:57:51,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 03:57:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-31 03:57:51,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-31 03:57:51,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:51,814 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:51,815 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:51,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:51,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1251020519, now seen corresponding path program 1 times [2018-12-31 03:57:51,817 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:57:51,817 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) [2018-12-31 03:57:51,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 03:57:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:51,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:57:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:52,082 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:57:52,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:52,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:57:52,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:57:52,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:57:52,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:57:52,106 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand 5 states. [2018-12-31 03:57:52,557 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-12-31 03:57:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:52,572 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2018-12-31 03:57:52,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 03:57:52,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-12-31 03:57:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:52,574 INFO L225 Difference]: With dead ends: 22 [2018-12-31 03:57:52,574 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:57:52,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 03:57:52,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:57:52,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:57:52,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:57:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:57:52,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-12-31 03:57:52,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:52,576 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:57:52,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:57:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:57:52,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:57:52,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:57:52,807 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 56) no Hoare annotation was computed. [2018-12-31 03:57:52,807 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 53) no Hoare annotation was computed. [2018-12-31 03:57:52,808 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2018-12-31 03:57:52,808 INFO L444 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= (bvadd |ULTIMATE.start_isnan_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_round_double_~x .cse0) (= |ULTIMATE.start_round_double_#res| .cse0))) [2018-12-31 03:57:52,808 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:57:52,808 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:57:52,808 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:57:52,809 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 40) no Hoare annotation was computed. [2018-12-31 03:57:52,809 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-12-31 03:57:52,809 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 17 64) no Hoare annotation was computed. [2018-12-31 03:57:52,809 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 57 62) no Hoare annotation was computed. [2018-12-31 03:57:52,809 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2018-12-31 03:57:52,809 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (= ULTIMATE.start_round_double_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-31 03:57:52,809 INFO L448 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2018-12-31 03:57:52,810 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-31 03:57:52,810 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-12-31 03:57:52,810 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 56) no Hoare annotation was computed. [2018-12-31 03:57:52,810 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:57:52,810 INFO L451 ceAbstractionStarter]: At program point L83(lines 66 84) the Hoare annotation is: true [2018-12-31 03:57:52,810 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-31 03:57:52,810 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 45) no Hoare annotation was computed. [2018-12-31 03:57:52,811 INFO L444 ceAbstractionStarter]: At program point L63(lines 17 64) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= ULTIMATE.start_round_double_~x .cse0) (= |ULTIMATE.start_round_double_#res| .cse0))) [2018-12-31 03:57:52,811 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-12-31 03:57:52,811 INFO L448 ceAbstractionStarter]: For program point L30-2(lines 30 31) no Hoare annotation was computed. [2018-12-31 03:57:52,812 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 79) no Hoare annotation was computed. [2018-12-31 03:57:52,812 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-12-31 03:57:52,820 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,821 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,825 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,825 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,826 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,827 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,827 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,827 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,829 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,829 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:57:52 BoogieIcfgContainer [2018-12-31 03:57:52,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:57:52,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:57:52,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:57:52,833 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:57:52,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:50" (3/4) ... [2018-12-31 03:57:52,838 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:57:52,850 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-31 03:57:52,850 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 03:57:52,851 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 03:57:52,878 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2018-12-31 03:57:52,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~bvadd64(\result, 4294967295bv32) == 0bv32 && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2018-12-31 03:57:52,913 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:57:52,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:57:52,915 INFO L168 Benchmark]: Toolchain (without parser) took 3580.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -63.9 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:52,916 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:57:52,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:52,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.71 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:52,919 INFO L168 Benchmark]: Boogie Preprocessor took 143.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:52,920 INFO L168 Benchmark]: RCFGBuilder took 694.33 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:52,920 INFO L168 Benchmark]: TraceAbstraction took 2176.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:52,921 INFO L168 Benchmark]: Witness Printer took 81.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:52,927 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 417.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.71 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 694.33 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2176.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * Witness Printer took 81.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 79]: 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 [2018-12-31 03:57:52,936 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,936 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,943 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,943 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 15]: Loop Invariant [2018-12-31 03:57:52,944 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,944 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,944 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,945 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~bvadd64(\result, 4294967295bv32) == 0bv32 && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 20]: Loop Invariant [2018-12-31 03:57:52,945 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:52,945 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 59 SDtfs, 28 SDslu, 76 SDs, 0 SdLazy, 35 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 38 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 3 QuantifiedInterpolants, 1736 SizeOfPredicates, 13 NumberOfNonLiveVariables, 110 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...