/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_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 f9996153423fecedcbbebbb98f8557ca25433f0f ...................................................................................................................................................................................................................................................................................................................... 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_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 f9996153423fecedcbbebbb98f8557ca25433f0f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:56:53,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:56:53,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:56:53,569 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:56:53,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:56:53,571 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:56:53,572 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:56:53,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:56:53,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:56:53,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:56:53,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:56:53,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:56:53,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:56:53,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:56:53,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:56:53,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:56:53,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:56:53,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:56:53,588 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:56:53,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:56:53,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:56:53,593 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:56:53,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:56:53,596 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:56:53,597 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:56:53,598 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:56:53,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:56:53,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:56:53,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:56:53,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:56:53,603 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:56:53,604 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:56:53,604 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:56:53,605 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:56:53,606 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:56:53,607 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:56:53,607 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:56:53,625 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:56:53,625 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:56:53,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:56:53,628 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:56:53,628 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:56:53,628 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:56:53,629 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:56:53,629 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:56:53,629 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:56:53,629 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:56:53,632 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:56:53,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:56:53,632 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:56:53,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:56:53,632 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:56:53,632 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:56:53,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:56:53,633 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:56:53,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:56:53,633 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:56:53,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:56:53,633 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:56:53,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:56:53,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:56:53,634 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:56:53,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:56:53,637 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:56:53,638 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:56:53,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:56:53,638 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 -> f9996153423fecedcbbebbb98f8557ca25433f0f [2018-09-20 14:56:53,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:56:53,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:56:53,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:56:53,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:56:53,719 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:56:53,720 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-09-20 14:56:54,063 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5fe644b/aae195866314411a8e2e9f605f045ffd/FLAGe71e509c7 [2018-09-20 14:56:54,218 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:56:54,218 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-09-20 14:56:54,230 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5fe644b/aae195866314411a8e2e9f605f045ffd/FLAGe71e509c7 [2018-09-20 14:56:54,247 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5fe644b/aae195866314411a8e2e9f605f045ffd [2018-09-20 14:56:54,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:56:54,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:56:54,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:56:54,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:56:54,262 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:56:54,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240d0edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54, skipping insertion in model container [2018-09-20 14:56:54,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,280 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:56:54,541 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:56:54,561 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:56:54,599 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:56:54,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54 WrapperNode [2018-09-20 14:56:54,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:56:54,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:56:54,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:56:54,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:56:54,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (1/1) ... [2018-09-20 14:56:54,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:56:54,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:56:54,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:56:54,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:56:54,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (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 [2018-09-20 14:56:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:56:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:56:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:56:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-20 14:56:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-09-20 14:56:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:56:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:56:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:56:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:56:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:56:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:56:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:56:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:56:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:56:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-20 14:56:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:56:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:56:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-09-20 14:56:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:56:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:56:55,880 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:56:55,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:56:55 BoogieIcfgContainer [2018-09-20 14:56:55,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:56:55,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:56:55,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:56:55,887 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:56:55,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:56:54" (1/3) ... [2018-09-20 14:56:55,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a80dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:56:55, skipping insertion in model container [2018-09-20 14:56:55,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:54" (2/3) ... [2018-09-20 14:56:55,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a80dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:56:55, skipping insertion in model container [2018-09-20 14:56:55,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:56:55" (3/3) ... [2018-09-20 14:56:55,893 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b_true-unreach-call.c [2018-09-20 14:56:55,905 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:56:55,920 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:56:55,987 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:56:55,988 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:56:55,988 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:56:55,988 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:56:55,988 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:56:55,988 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:56:55,989 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:56:55,989 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:56:55,989 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:56:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2018-09-20 14:56:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 14:56:56,021 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:56,023 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:56:56,025 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:56,031 INFO L82 PathProgramCache]: Analyzing trace with hash 941814270, now seen corresponding path program 1 times [2018-09-20 14:56:56,034 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:56:56,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:56:56,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:56:56,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:56:56,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:56:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:56:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:56:56,279 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:56:56,279 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:56:56,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:56:56,300 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:56:56,302 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:56:56,304 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2018-09-20 14:56:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:56:56,332 INFO L93 Difference]: Finished difference Result 136 states and 170 transitions. [2018-09-20 14:56:56,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:56:56,334 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 14:56:56,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:56:56,348 INFO L225 Difference]: With dead ends: 136 [2018-09-20 14:56:56,348 INFO L226 Difference]: Without dead ends: 68 [2018-09-20 14:56:56,353 INFO L606 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 [2018-09-20 14:56:56,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-09-20 14:56:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-09-20 14:56:56,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-09-20 14:56:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2018-09-20 14:56:56,403 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 22 [2018-09-20 14:56:56,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:56:56,404 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2018-09-20 14:56:56,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:56:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2018-09-20 14:56:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-20 14:56:56,407 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:56,407 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:56:56,407 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:56,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1898594918, now seen corresponding path program 1 times [2018-09-20 14:56:56,408 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:56:56,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:56:56,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:56:56,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:56:56,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:56:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:56:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:56:56,545 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:56:56,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:56:56 BoogieIcfgContainer [2018-09-20 14:56:56,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:56:56,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:56:56,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:56:56,640 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:56:56,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:56:55" (3/4) ... [2018-09-20 14:56:56,646 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:56:56,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:56:56,648 INFO L168 Benchmark]: Toolchain (without parser) took 2396.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:56:56,650 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:56:56,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.22 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:56:56,653 INFO L168 Benchmark]: Boogie Preprocessor took 101.51 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:56:56,653 INFO L168 Benchmark]: RCFGBuilder took 1112.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:56:56,654 INFO L168 Benchmark]: TraceAbstraction took 756.66 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:56:56,656 INFO L168 Benchmark]: Witness Printer took 7.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:56:56,661 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.22 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.51 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1112.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 756.66 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.22 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: 151]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=6441402386, \old(Lg2_log)=6441402389, \old(Lg3_log)=6441402371, \old(Lg4_log)=6441402374, \old(Lg5_log)=6441402376, \old(Lg6_log)=6441402383, \old(Lg7_log)=6441402382, \old(ln2_hi_log)=6441402373, \old(ln2_lo_log)=6441402377, \old(two54_log)=6441402384, \old(zero)=6441402387, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L146] double x = -1.0 / 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L147] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6441402388, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=6441402388, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L51] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=6441402388, ew_u={6441402380:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L52] FCALL ew_u.value = (x) VAL [\old(x)=6441402388, ew_u={6441402380:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L53] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.msw=6441402370, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L53] (hx) = ew_u.parts.msw VAL [\old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.msw=6441402370, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L53] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=6441402385, \old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.msw=6441402370, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L54] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.lsw=6441402381, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L54] (lx) = ew_u.parts.lsw VAL [\old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.lsw=6441402381, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L54] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=6441402379, \old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.lsw=6441402381, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L55] COND FALSE !(0) VAL [\old(x)=6441402388, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L57] k = 0 VAL [\old(x)=6441402388, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L58] COND FALSE !(hx < 0x00100000) VAL [\old(x)=6441402388, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L71] COND TRUE hx >= 0x7ff00000 [L72] RET return x + x; VAL [\old(x)=6441402388, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L147] EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6441402375, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L147] double res = __ieee754_log(x); [L150] CALL, EXPR isnan_double(res) VAL [\old(x)=6441402375, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L137] RET return x != x; VAL [\old(x)=6441402375, \result=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402375, zero=0] [L150] EXPR isnan_double(res) VAL [isnan_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6441402375, two54_log=18014398509481984, x=6441402388, zero=0] [L150] COND TRUE !isnan_double(res) [L151] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6441402375, two54_log=18014398509481984, x=6441402388, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 104 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 82 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=72occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 0.1.23-40ef509 [2018-09-20 14:56:59,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:56:59,094 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:56:59,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:56:59,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:56:59,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:56:59,109 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:56:59,112 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:56:59,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:56:59,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:56:59,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:56:59,117 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:56:59,118 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:56:59,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:56:59,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:56:59,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:56:59,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:56:59,126 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:56:59,129 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:56:59,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:56:59,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:56:59,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:56:59,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:56:59,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:56:59,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:56:59,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:56:59,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:56:59,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:56:59,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:56:59,145 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:56:59,145 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:56:59,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:56:59,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:56:59,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:56:59,148 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:56:59,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:56:59,150 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:56:59,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:56:59,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:56:59,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:56:59,170 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:56:59,170 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:56:59,171 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:56:59,171 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:56:59,172 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:56:59,172 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:56:59,172 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:56:59,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:56:59,173 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:56:59,173 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:56:59,174 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:56:59,174 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:56:59,174 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:56:59,174 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:56:59,174 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:56:59,175 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:56:59,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:56:59,175 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:56:59,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:56:59,177 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:56:59,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:56:59,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:56:59,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:56:59,178 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:56:59,178 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:56:59,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:56:59,179 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:56:59,179 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:56:59,179 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 -> f9996153423fecedcbbebbb98f8557ca25433f0f [2018-09-20 14:56:59,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:56:59,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:56:59,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:56:59,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:56:59,274 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:56:59,276 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-09-20 14:56:59,670 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f12c7a0/e673357c7be149fe9f81b8c246c90e2b/FLAG1abc53e84 [2018-09-20 14:56:59,859 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:56:59,860 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-09-20 14:56:59,873 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f12c7a0/e673357c7be149fe9f81b8c246c90e2b/FLAG1abc53e84 [2018-09-20 14:56:59,901 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f12c7a0/e673357c7be149fe9f81b8c246c90e2b [2018-09-20 14:56:59,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:56:59,911 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:56:59,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:56:59,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:56:59,925 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:56:59,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:56:59" (1/1) ... [2018-09-20 14:56:59,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e90c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:56:59, skipping insertion in model container [2018-09-20 14:56:59,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:56:59" (1/1) ... [2018-09-20 14:56:59,947 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:57:00,220 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:57:00,240 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:57:00,287 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:57:00,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00 WrapperNode [2018-09-20 14:57:00,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:57:00,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:57:00,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:57:00,332 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:57:00,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (1/1) ... [2018-09-20 14:57:00,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (1/1) ... [2018-09-20 14:57:00,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (1/1) ... [2018-09-20 14:57:00,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (1/1) ... [2018-09-20 14:57:00,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (1/1) ... [2018-09-20 14:57:00,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (1/1) ... [2018-09-20 14:57:00,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (1/1) ... [2018-09-20 14:57:00,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:57:00,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:57:00,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:57:00,432 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:57:00,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (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 [2018-09-20 14:57:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:57:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:57:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:57:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-20 14:57:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-09-20 14:57:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:57:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:57:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:57:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:57:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:57:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:57:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:57:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:57:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:57:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-20 14:57:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:57:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:57:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-09-20 14:57:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:57:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:57:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:57:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:57:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:57:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:57:00,825 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:00,862 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:15,003 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:15,021 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:15,039 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:20,038 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:20,050 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:20,172 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:24,756 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:24,796 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:24,851 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:57:24,993 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:57:24,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:57:24 BoogieIcfgContainer [2018-09-20 14:57:24,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:57:24,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:57:24,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:57:24,999 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:57:25,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:56:59" (1/3) ... [2018-09-20 14:57:25,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd7b00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:57:25, skipping insertion in model container [2018-09-20 14:57:25,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:57:00" (2/3) ... [2018-09-20 14:57:25,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd7b00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:57:25, skipping insertion in model container [2018-09-20 14:57:25,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:57:24" (3/3) ... [2018-09-20 14:57:25,005 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b_true-unreach-call.c [2018-09-20 14:57:25,015 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:57:25,025 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:57:25,079 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:57:25,080 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:57:25,080 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:57:25,080 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:57:25,080 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:57:25,081 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:57:25,081 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:57:25,081 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:57:25,081 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:57:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-09-20 14:57:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 14:57:25,112 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:57:25,114 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:57:25,117 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:57:25,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1039327380, now seen corresponding path program 1 times [2018-09-20 14:57:25,129 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:57:25,129 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) [2018-09-20 14:57:25,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:57:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:57:25,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:57:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:57:25,317 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:57:25,338 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:57:25,338 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:57:25,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:57:25,360 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:57:25,362 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:57:25,366 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2018-09-20 14:57:25,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:57:25,396 INFO L93 Difference]: Finished difference Result 134 states and 168 transitions. [2018-09-20 14:57:25,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:57:25,397 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 14:57:25,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:57:25,411 INFO L225 Difference]: With dead ends: 134 [2018-09-20 14:57:25,411 INFO L226 Difference]: Without dead ends: 67 [2018-09-20 14:57:25,415 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:57:25,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-09-20 14:57:25,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-09-20 14:57:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-20 14:57:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2018-09-20 14:57:25,461 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 21 [2018-09-20 14:57:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:57:25,461 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2018-09-20 14:57:25,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:57:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2018-09-20 14:57:25,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-20 14:57:25,464 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:57:25,464 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:57:25,465 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:57:25,465 INFO L82 PathProgramCache]: Analyzing trace with hash -711438788, now seen corresponding path program 1 times [2018-09-20 14:57:25,467 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:57:25,467 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 14:57:25,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:57:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:57:25,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:57:25,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:57:25,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:57:25,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:57:25,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:57:25,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:57:25,903 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:57:25,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:57:25,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:57:25,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:57:26,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:57:26,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:57:26,076 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:57:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:57:26,365 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:57:26,381 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:57:26,381 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:57:26,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:57:26,387 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:57:26,387 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:57:26,388 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand 8 states. [2018-09-20 14:57:27,042 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:57:27,675 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-20 14:57:43,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:57:43,716 INFO L93 Difference]: Finished difference Result 102 states and 119 transitions. [2018-09-20 14:57:44,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:57:44,500 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-09-20 14:57:44,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:57:44,506 INFO L225 Difference]: With dead ends: 102 [2018-09-20 14:57:44,507 INFO L226 Difference]: Without dead ends: 69 [2018-09-20 14:57:44,508 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-20 14:57:44,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-20 14:57:44,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-09-20 14:57:44,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-20 14:57:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2018-09-20 14:57:44,520 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 34 [2018-09-20 14:57:44,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:57:44,521 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2018-09-20 14:57:44,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:57:44,521 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2018-09-20 14:57:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-20 14:57:44,522 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:57:44,523 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:57:44,524 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:57:44,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1152943357, now seen corresponding path program 1 times [2018-09-20 14:57:44,525 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:57:44,525 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) [2018-09-20 14:57:44,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 14:57:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:57:45,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:57:45,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:57:45,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:57:45,539 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:57:45,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:57:45,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:57:45,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:57:45,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:57:45,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:57:45,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:57:45,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:57:45,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:57:45,663 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:57:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:57:45,859 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:57:45,884 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:57:45,885 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:57:45,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:57:45,886 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:57:45,887 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:57:45,887 INFO L87 Difference]: Start difference. First operand 67 states and 76 transitions. Second operand 8 states. [2018-09-20 14:58:02,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:58:02,220 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2018-09-20 14:58:02,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 14:58:02,222 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-09-20 14:58:02,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:58:02,225 INFO L225 Difference]: With dead ends: 79 [2018-09-20 14:58:02,225 INFO L226 Difference]: Without dead ends: 69 [2018-09-20 14:58:02,225 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-09-20 14:58:02,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-20 14:58:02,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-09-20 14:58:02,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-20 14:58:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2018-09-20 14:58:02,237 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 34 [2018-09-20 14:58:02,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:58:02,240 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2018-09-20 14:58:02,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:58:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-09-20 14:58:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-20 14:58:02,241 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:58:02,241 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:58:02,244 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:58:02,244 INFO L82 PathProgramCache]: Analyzing trace with hash -405271574, now seen corresponding path program 1 times [2018-09-20 14:58:02,244 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:58:02,245 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:58:02,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:58:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:58:03,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:58:07,516 WARN L178 SmtUtils]: Spent 3.82 s on a formula simplification that was a NOOP. DAG size: 10 [2018-09-20 14:58:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:58:07,947 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:58:07,968 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:58:07,968 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 14:58:07,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 14:58:07,969 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 14:58:07,969 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:58:07,969 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand 10 states. [2018-09-20 14:58:18,355 WARN L178 SmtUtils]: Spent 5.94 s on a formula simplification that was a NOOP. DAG size: 12 [2018-09-20 14:58:39,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:58:39,803 INFO L93 Difference]: Finished difference Result 76 states and 84 transitions. [2018-09-20 14:58:39,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-20 14:58:39,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2018-09-20 14:58:39,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:58:39,808 INFO L225 Difference]: With dead ends: 76 [2018-09-20 14:58:39,808 INFO L226 Difference]: Without dead ends: 69 [2018-09-20 14:58:39,809 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-09-20 14:58:39,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-20 14:58:39,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-09-20 14:58:39,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-20 14:58:39,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2018-09-20 14:58:39,824 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 35 [2018-09-20 14:58:39,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:58:39,824 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions. [2018-09-20 14:58:39,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 14:58:39,825 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2018-09-20 14:58:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-20 14:58:39,827 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:58:39,827 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:58:39,827 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:58:39,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2025578153, now seen corresponding path program 1 times [2018-09-20 14:58:39,829 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:58:39,829 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 14:58:39,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:58:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:58:40,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:58:40,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:58:40,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:58:40,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:58:40,294 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:58:40,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:58:40,314 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:58:40,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:58:40,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:58:40,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:58:40,372 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:58:40,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:58:40,384 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:58:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:58:40,565 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:58:40,585 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:58:40,585 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:58:40,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:58:40,586 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:58:40,586 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:58:40,586 INFO L87 Difference]: Start difference. First operand 67 states and 74 transitions. Second operand 8 states. [2018-09-20 14:58:50,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:58:50,756 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2018-09-20 14:58:50,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 14:58:50,758 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-09-20 14:58:50,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:58:50,758 INFO L225 Difference]: With dead ends: 67 [2018-09-20 14:58:50,758 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:58:50,759 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-09-20 14:58:50,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:58:50,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:58:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:58:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:58:50,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-09-20 14:58:50,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:58:50,761 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:58:50,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:58:50,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:58:50,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:58:50,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:58:51,110 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2018-09-20 14:58:51,359 INFO L426 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-09-20 14:58:51,359 INFO L426 ceAbstractionStarter]: For program point L131-2(line 131) no Hoare annotation was computed. [2018-09-20 14:58:51,359 INFO L426 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2018-09-20 14:58:51,359 INFO L426 ceAbstractionStarter]: For program point L129-2(line 129) no Hoare annotation was computed. [2018-09-20 14:58:51,359 INFO L426 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-09-20 14:58:51,359 INFO L426 ceAbstractionStarter]: For program point L129-3(line 129) no Hoare annotation was computed. [2018-09-20 14:58:51,360 INFO L426 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2018-09-20 14:58:51,360 INFO L426 ceAbstractionStarter]: For program point L128-4(lines 128 132) no Hoare annotation was computed. [2018-09-20 14:58:51,360 INFO L426 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 126 134) no Hoare annotation was computed. [2018-09-20 14:58:51,360 INFO L426 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 126 134) no Hoare annotation was computed. [2018-09-20 14:58:51,360 INFO L426 ceAbstractionStarter]: For program point isfinite_doubleENTRY(lines 126 134) no Hoare annotation was computed. [2018-09-20 14:58:51,360 INFO L426 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-09-20 14:58:51,360 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-20 14:58:51,360 INFO L426 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-09-20 14:58:51,361 INFO L429 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 137) the Hoare annotation is: true [2018-09-20 14:58:51,361 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 137) no Hoare annotation was computed. [2018-09-20 14:58:51,361 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 137) no Hoare annotation was computed. [2018-09-20 14:58:51,361 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:58:51,361 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:58:51,361 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-09-20 14:58:51,362 INFO L426 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-09-20 14:58:51,363 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-09-20 14:58:51,363 INFO L426 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-09-20 14:58:51,363 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-20 14:58:51,363 INFO L426 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-09-20 14:58:51,363 INFO L426 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-09-20 14:58:51,363 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-09-20 14:58:51,363 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 14:58:51,364 INFO L426 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-09-20 14:58:51,364 INFO L426 ceAbstractionStarter]: For program point L54-1(line 54) no Hoare annotation was computed. [2018-09-20 14:58:51,364 INFO L426 ceAbstractionStarter]: For program point L54-2(line 54) no Hoare annotation was computed. [2018-09-20 14:58:51,364 INFO L426 ceAbstractionStarter]: For program point L54-3(line 54) no Hoare annotation was computed. [2018-09-20 14:58:51,364 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 14:58:51,364 INFO L429 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-09-20 14:58:51,364 INFO L426 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-09-20 14:58:51,364 INFO L426 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-09-20 14:58:51,365 INFO L426 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2018-09-20 14:58:51,365 INFO L426 ceAbstractionStarter]: For program point L80-1(line 80) no Hoare annotation was computed. [2018-09-20 14:58:51,365 INFO L426 ceAbstractionStarter]: For program point L80-2(line 80) no Hoare annotation was computed. [2018-09-20 14:58:51,365 INFO L426 ceAbstractionStarter]: For program point L80-3(line 80) no Hoare annotation was computed. [2018-09-20 14:58:51,365 INFO L426 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-09-20 14:58:51,365 INFO L422 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((|v_q#valueAsBitvector_14| (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_14|) ((_ extract 62 52) |v_q#valueAsBitvector_14|) ((_ extract 51 0) |v_q#valueAsBitvector_14|))) (= ((_ extract 63 32) |v_q#valueAsBitvector_14|) __ieee754_log_~hx~1))) (exists ((|v_q#valueAsBitvector_14| (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_14|) ((_ extract 62 52) |v_q#valueAsBitvector_14|) ((_ extract 51 0) |v_q#valueAsBitvector_14|))) (not (bvslt ((_ extract 63 32) |v_q#valueAsBitvector_14|) (_ bv0 32))))))) [2018-09-20 14:58:51,365 INFO L426 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-09-20 14:58:51,366 INFO L426 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-09-20 14:58:51,366 INFO L426 ceAbstractionStarter]: For program point L66-2(line 66) no Hoare annotation was computed. [2018-09-20 14:58:51,366 INFO L426 ceAbstractionStarter]: For program point L66-3(line 66) no Hoare annotation was computed. [2018-09-20 14:58:51,366 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-09-20 14:58:51,366 INFO L426 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-09-20 14:58:51,366 INFO L426 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-09-20 14:58:51,366 INFO L422 ceAbstractionStarter]: At program point L50-3(lines 50 55) the Hoare annotation is: (or (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-09-20 14:58:51,366 INFO L426 ceAbstractionStarter]: For program point L50-4(lines 50 55) no Hoare annotation was computed. [2018-09-20 14:58:51,367 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-20 14:58:51,367 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-09-20 14:58:51,367 INFO L426 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-09-20 14:58:51,367 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 14:58:51,367 INFO L426 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-09-20 14:58:51,367 INFO L426 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-09-20 14:58:51,367 INFO L426 ceAbstractionStarter]: For program point L51-3(line 51) no Hoare annotation was computed. [2018-09-20 14:58:51,367 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-09-20 14:58:51,368 INFO L422 ceAbstractionStarter]: At program point L76-3(lines 76 81) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_14| (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_14|) ((_ extract 62 52) |v_q#valueAsBitvector_14|) ((_ extract 51 0) |v_q#valueAsBitvector_14|))) (not (bvslt ((_ extract 63 32) |v_q#valueAsBitvector_14|) (_ bv0 32))))) (not (= (_ +zero 11 53) ~zero~0))) [2018-09-20 14:58:51,368 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 81) no Hoare annotation was computed. [2018-09-20 14:58:51,368 INFO L426 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-09-20 14:58:51,368 INFO L426 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-09-20 14:58:51,368 INFO L426 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-09-20 14:58:51,368 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 14:58:51,368 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 14:58:51,368 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 14:58:51,369 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 14:58:51,369 INFO L426 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-09-20 14:58:51,369 INFO L426 ceAbstractionStarter]: For program point L21-2(line 21) no Hoare annotation was computed. [2018-09-20 14:58:51,369 INFO L426 ceAbstractionStarter]: For program point L21-3(line 21) no Hoare annotation was computed. [2018-09-20 14:58:51,369 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 14:58:51,369 INFO L426 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-09-20 14:58:51,369 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 14:58:51,369 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L426 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L426 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L426 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L426 ceAbstractionStarter]: For program point L20-4(lines 20 25) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L426 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 18 30) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L426 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 18 30) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L426 ceAbstractionStarter]: For program point isinf_doubleENTRY(lines 18 30) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:58:51,370 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-09-20 14:58:51,371 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:58:51,371 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:58:51,371 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 139 156) the Hoare annotation is: true [2018-09-20 14:58:51,371 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 139 156) no Hoare annotation was computed. [2018-09-20 14:58:51,371 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 139 156) no Hoare annotation was computed. [2018-09-20 14:58:51,371 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-20 14:58:51,371 INFO L422 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (let ((.cse0 (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= main_~res~0 (fp.div RNE (fp.sub RNE .cse0 .cse0) (_ +zero 11 53))))) (not (= (_ +zero 11 53) ~zero~0))) [2018-09-20 14:58:51,372 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 150 153) no Hoare annotation was computed. [2018-09-20 14:58:51,372 INFO L422 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (= (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)) main_~x~0)) [2018-09-20 14:58:51,372 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2018-09-20 14:58:51,372 INFO L426 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-09-20 14:58:51,377 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,378 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,379 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,379 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,379 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,379 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,380 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,380 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,388 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,389 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,389 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,389 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,389 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,390 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,390 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,408 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,409 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,410 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,410 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,410 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,412 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,413 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,413 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,413 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:58:51 BoogieIcfgContainer [2018-09-20 14:58:51,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:58:51,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:58:51,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:58:51,417 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:58:51,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:57:24" (3/4) ... [2018-09-20 14:58:51,429 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:58:51,439 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-09-20 14:58:51,439 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-20 14:58:51,439 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:58:51,440 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-09-20 14:58:51,440 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-20 14:58:51,440 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:58:51,452 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-09-20 14:58:51,453 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-09-20 14:58:51,453 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 14:58:51,454 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 14:58:51,484 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-09-20 14:58:51,484 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_q#valueAsBitvector_14 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) && v_q#valueAsBitvector_14[63:32] == hx) && (\exists v_q#valueAsBitvector_14 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) && !~bvslt32(v_q#valueAsBitvector_14[63:32], 0bv32))) [2018-09-20 14:58:51,485 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_14 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) && !~bvslt32(v_q#valueAsBitvector_14[63:32], 0bv32)) || !(~Pluszero~LONGDOUBLE() == zero) [2018-09-20 14:58:51,558 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:58:51,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:58:51,563 INFO L168 Benchmark]: Toolchain (without parser) took 111655.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 951.9 MB in the beginning and 1.2 GB in the end (delta: -227.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:58:51,564 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:58:51,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.94 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:58:51,565 INFO L168 Benchmark]: Boogie Preprocessor took 99.63 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:58:51,565 INFO L168 Benchmark]: RCFGBuilder took 24562.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:58:51,566 INFO L168 Benchmark]: TraceAbstraction took 86421.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -102.6 MB). Peak memory consumption was 296.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:58:51,566 INFO L168 Benchmark]: Witness Printer took 141.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-09-20 14:58:51,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.94 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.63 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 24562.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 86421.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -102.6 MB). Peak memory consumption was 296.6 MB. Max. memory is 11.5 GB. * Witness Printer took 141.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: 65]: Loop Invariant [2018-09-20 14:58:51,585 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,585 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,585 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,587 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,587 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,587 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,588 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,588 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,590 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,590 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_q#valueAsBitvector_14 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) && v_q#valueAsBitvector_14[63:32] == hx) && (\exists v_q#valueAsBitvector_14 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) && !~bvslt32(v_q#valueAsBitvector_14[63:32], 0bv32))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 76]: Loop Invariant [2018-09-20 14:58:51,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] [2018-09-20 14:58:51,596 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_14 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_14[63:63], v_q#valueAsBitvector_14[62:52], v_q#valueAsBitvector_14[51:0]) && !~bvslt32(v_q#valueAsBitvector_14[63:32], 0bv32)) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 103 locations, 1 error locations. SAFE Result, 86.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 76.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 327 SDtfs, 221 SDslu, 1291 SDs, 0 SdLazy, 342 SolverSat, 26 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 59.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 15 PreInvPairs, 20 NumberOfFragments, 124 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 89 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 165 ConstructedInterpolants, 60 QuantifiedInterpolants, 49171 SizeOfPredicates, 27 NumberOfNonLiveVariables, 515 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...