/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270b_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/float_req_bl_0270b_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 e244339627025cb250c22854e0eaa32467bc4188 .......................................................................................................................................................................................................................................................................................................... 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/float_req_bl_0270b_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 e244339627025cb250c22854e0eaa32467bc4188 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:10:12,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:10:12,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:10:12,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:10:12,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:10:12,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:10:12,690 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:10:12,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:10:12,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:10:12,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:10:12,700 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:10:12,700 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:10:12,705 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:10:12,706 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:10:12,708 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:10:12,709 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:10:12,710 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:10:12,711 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:10:12,713 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:10:12,715 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:10:12,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:10:12,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:10:12,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:10:12,719 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:10:12,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:10:12,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:10:12,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:10:12,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:10:12,723 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:10:12,724 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:10:12,724 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:10:12,725 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:10:12,725 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:10:12,725 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:10:12,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:10:12,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:10:12,727 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:10:12,757 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:10:12,757 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:10:12,758 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:10:12,758 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:10:12,759 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:10:12,760 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:10:12,760 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:10:12,760 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:10:12,760 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:10:12,761 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:10:12,761 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:10:12,761 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:10:12,761 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:10:12,761 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:10:12,761 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:10:12,762 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:10:12,762 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:10:12,762 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:10:12,762 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:10:12,764 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:10:12,764 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:10:12,764 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:10:12,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:10:12,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:10:12,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:10:12,765 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:10:12,765 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:10:12,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:10:12,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:10:12,767 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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-09-20 15:10:12,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:10:12,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:10:12,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:10:12,858 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:10:12,860 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:10:12,860 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-09-20 15:10:13,207 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd269e05f/2d743b264b744423b192c8c448cf9aa7/FLAGe6bf4bdc1 [2018-09-20 15:10:13,350 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:10:13,352 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-09-20 15:10:13,361 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd269e05f/2d743b264b744423b192c8c448cf9aa7/FLAGe6bf4bdc1 [2018-09-20 15:10:13,378 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd269e05f/2d743b264b744423b192c8c448cf9aa7 [2018-09-20 15:10:13,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:10:13,385 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:10:13,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:13,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:10:13,393 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:10:13,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa29c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13, skipping insertion in model container [2018-09-20 15:10:13,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,410 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:10:13,671 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:13,689 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:10:13,738 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:13,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13 WrapperNode [2018-09-20 15:10:13,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:13,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:10:13,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:10:13,778 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:10:13,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (1/1) ... [2018-09-20 15:10:13,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:10:13,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:10:13,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:10:13,848 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:10:13,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (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 15:10:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:10:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:10:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-20 15:10:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:10:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:10:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:10:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:10:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:10:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:10:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-20 15:10:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:10:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:10:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:10:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:10:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:10:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:10:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:10:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:10:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:10:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:10:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:10:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:10:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:10:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:10:15,243 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:10:15,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:15 BoogieIcfgContainer [2018-09-20 15:10:15,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:10:15,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:10:15,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:10:15,249 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:10:15,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:10:13" (1/3) ... [2018-09-20 15:10:15,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79162d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:15, skipping insertion in model container [2018-09-20 15:10:15,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:13" (2/3) ... [2018-09-20 15:10:15,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79162d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:15, skipping insertion in model container [2018-09-20 15:10:15,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:15" (3/3) ... [2018-09-20 15:10:15,253 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-09-20 15:10:15,264 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:10:15,274 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:10:15,332 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:10:15,333 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:10:15,334 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:10:15,334 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:10:15,334 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:10:15,334 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:10:15,336 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:10:15,336 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:10:15,336 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:10:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-09-20 15:10:15,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 15:10:15,371 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:15,372 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:15,375 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:15,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1826211279, now seen corresponding path program 1 times [2018-09-20 15:10:15,384 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:10:15,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:10:15,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:10:15,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:15,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:10:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:15,578 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 15:10:15,582 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:15,582 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:10:15,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:10:15,611 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:10:15,613 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:10:15,616 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-09-20 15:10:15,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:15,682 INFO L93 Difference]: Finished difference Result 284 states and 361 transitions. [2018-09-20 15:10:15,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:10:15,684 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 15:10:15,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:15,701 INFO L225 Difference]: With dead ends: 284 [2018-09-20 15:10:15,701 INFO L226 Difference]: Without dead ends: 142 [2018-09-20 15:10:15,708 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 15:10:15,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-09-20 15:10:15,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-09-20 15:10:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:10:15,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 160 transitions. [2018-09-20 15:10:15,761 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 160 transitions. Word has length 17 [2018-09-20 15:10:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:15,761 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 160 transitions. [2018-09-20 15:10:15,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:10:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 160 transitions. [2018-09-20 15:10:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-20 15:10:15,763 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:15,763 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] [2018-09-20 15:10:15,764 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:15,764 INFO L82 PathProgramCache]: Analyzing trace with hash 424770565, now seen corresponding path program 1 times [2018-09-20 15:10:15,764 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:10:15,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:10:15,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:10:15,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:15,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:10:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:10:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:10:15,952 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:10:16,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:10:16 BoogieIcfgContainer [2018-09-20 15:10:16,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:10:16,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:10:16,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:10:16,011 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:10:16,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:15" (3/4) ... [2018-09-20 15:10:16,017 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:10:16,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:10:16,018 INFO L168 Benchmark]: Toolchain (without parser) took 2636.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -74.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:16,020 INFO L168 Benchmark]: CDTParser took 0.20 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 15:10:16,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.57 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 15:10:16,022 INFO L168 Benchmark]: Boogie Preprocessor took 69.16 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 15:10:16,022 INFO L168 Benchmark]: RCFGBuilder took 1396.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -125.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:16,023 INFO L168 Benchmark]: TraceAbstraction took 765.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:16,024 INFO L168 Benchmark]: Witness Printer took 6.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:16,029 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 391.57 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 69.16 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 1396.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -125.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 765.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450965, \old(one_asin)=6442450950, \old(one_sqrt)=6442450948, \old(pio2_hi_asin)=6442450949, \old(pio2_lo_asin)=6442450958, \old(pio4_hi_asin)=6442450951, \old(pS0_asin)=6442450957, \old(pS1_asin)=6442450952, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450956, \old(pS4_asin)=6442450961, \old(pS5_asin)=6442450953, \old(qS1_asin)=6442450966, \old(qS2_asin)=6442450962, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450959, \old(tiny_sqrt)=6442450960, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L121] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=0, gf_u={6442450963:0}, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L122] FCALL gf_u.value = (x) VAL [\old(x)=0, gf_u={6442450963:0}, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L123] EXPR, FCALL gf_u.word VAL [\old(x)=0, gf_u={6442450963:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L123] (hx) = gf_u.word VAL [\old(x)=0, gf_u={6442450963:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L123] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=6442450955, \old(x)=0, gf_u={6442450963:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L124] COND FALSE !(0) VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L125] ix = hx & 0x7fffffff VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L126] COND TRUE ix == 0x3f800000 [L128] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450964, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450964, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L197] COND FALSE, EXPR !(res == 0.0f && __signbit_float(res) == 0) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450964, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450964, tiny_sqrt=1/1000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 146 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 164 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=146occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 15:10:18,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:10:18,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:10:18,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:10:18,457 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:10:18,459 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:10:18,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:10:18,463 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:10:18,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:10:18,466 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:10:18,469 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:10:18,471 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:10:18,472 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:10:18,473 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:10:18,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:10:18,478 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:10:18,479 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:10:18,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:10:18,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:10:18,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:10:18,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:10:18,500 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:10:18,502 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:10:18,502 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:10:18,505 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:10:18,506 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:10:18,507 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:10:18,508 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:10:18,509 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:10:18,510 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:10:18,510 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:10:18,511 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:10:18,511 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:10:18,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:10:18,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:10:18,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:10:18,514 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:10:18,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:10:18,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:10:18,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:10:18,545 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:10:18,549 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:10:18,550 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:10:18,550 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:10:18,550 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:10:18,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:10:18,551 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:10:18,551 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:10:18,551 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:10:18,551 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:10:18,552 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:10:18,553 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:10:18,553 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:10:18,553 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:10:18,553 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:10:18,553 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:10:18,554 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:10:18,554 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:10:18,554 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:10:18,554 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:10:18,557 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:10:18,557 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:10:18,557 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:10:18,558 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:10:18,559 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:10:18,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:10:18,559 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:10:18,559 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:10:18,559 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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-09-20 15:10:18,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:10:18,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:10:18,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:10:18,653 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:10:18,654 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:10:18,655 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-09-20 15:10:19,031 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09bc3702b/a6b3f68514174a3782430ea93797e9ba/FLAG07e446857 [2018-09-20 15:10:19,208 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:10:19,209 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-09-20 15:10:19,219 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09bc3702b/a6b3f68514174a3782430ea93797e9ba/FLAG07e446857 [2018-09-20 15:10:19,235 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09bc3702b/a6b3f68514174a3782430ea93797e9ba [2018-09-20 15:10:19,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:10:19,242 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:10:19,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:19,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:10:19,250 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:10:19,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d806234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19, skipping insertion in model container [2018-09-20 15:10:19,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,265 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:10:19,577 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:19,608 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:10:19,704 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:19,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19 WrapperNode [2018-09-20 15:10:19,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:19,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:10:19,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:10:19,769 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:10:19,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (1/1) ... [2018-09-20 15:10:19,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:10:19,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:10:19,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:10:19,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:10:19,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (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 15:10:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:10:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:10:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-20 15:10:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:10:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:10:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:10:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:10:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:10:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:10:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-20 15:10:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:10:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:10:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:10:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:10:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:10:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:10:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:10:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:10:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:10:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:10:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:10:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:10:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:10:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:10:20,429 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:20,452 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:27,801 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:27,822 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:30,129 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:30,146 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:30,403 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:30,414 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:30,677 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:30,688 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:31,595 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:10:31,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:31 BoogieIcfgContainer [2018-09-20 15:10:31,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:10:31,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:10:31,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:10:31,600 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:10:31,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:10:19" (1/3) ... [2018-09-20 15:10:31,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bb6692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:31, skipping insertion in model container [2018-09-20 15:10:31,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:19" (2/3) ... [2018-09-20 15:10:31,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bb6692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:31, skipping insertion in model container [2018-09-20 15:10:31,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:31" (3/3) ... [2018-09-20 15:10:31,604 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-09-20 15:10:31,614 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:10:31,622 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:10:31,669 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:10:31,670 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:10:31,670 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:10:31,670 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:10:31,670 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:10:31,671 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:10:31,671 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:10:31,671 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:10:31,671 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:10:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-09-20 15:10:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 15:10:31,706 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:31,708 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:31,712 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:31,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1826211279, now seen corresponding path program 1 times [2018-09-20 15:10:31,725 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:31,726 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:31,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:32,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:32,036 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 15:10:32,037 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:32,052 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:32,052 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:10:32,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:10:32,069 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:10:32,070 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:10:32,072 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-09-20 15:10:32,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:32,120 INFO L93 Difference]: Finished difference Result 284 states and 361 transitions. [2018-09-20 15:10:32,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:10:32,124 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 15:10:32,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:32,145 INFO L225 Difference]: With dead ends: 284 [2018-09-20 15:10:32,145 INFO L226 Difference]: Without dead ends: 142 [2018-09-20 15:10:32,157 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 15:10:32,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-09-20 15:10:32,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-09-20 15:10:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:10:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 160 transitions. [2018-09-20 15:10:32,213 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 160 transitions. Word has length 17 [2018-09-20 15:10:32,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:32,214 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 160 transitions. [2018-09-20 15:10:32,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:10:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 160 transitions. [2018-09-20 15:10:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-20 15:10:32,215 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:32,216 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] [2018-09-20 15:10:32,216 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:32,216 INFO L82 PathProgramCache]: Analyzing trace with hash 424770565, now seen corresponding path program 1 times [2018-09-20 15:10:32,217 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:32,217 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 15:10:32,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:32,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:32,614 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 11 treesize of output 8 [2018-09-20 15:10:32,630 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 8 treesize of output 7 [2018-09-20 15:10:32,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:32,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:32,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:32,737 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:32,828 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 29 treesize of output 21 [2018-09-20 15:10:32,839 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 21 treesize of output 9 [2018-09-20 15:10:32,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:32,848 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:32,854 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:32,855 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:33,286 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 15:10:33,286 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:33,299 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:33,299 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:33,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:33,302 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:33,302 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:33,302 INFO L87 Difference]: Start difference. First operand 142 states and 160 transitions. Second operand 9 states. [2018-09-20 15:10:33,838 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-20 15:10:42,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:42,536 INFO L93 Difference]: Finished difference Result 168 states and 187 transitions. [2018-09-20 15:10:42,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:42,537 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-09-20 15:10:42,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:42,541 INFO L225 Difference]: With dead ends: 168 [2018-09-20 15:10:42,541 INFO L226 Difference]: Without dead ends: 145 [2018-09-20 15:10:42,543 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:42,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-09-20 15:10:42,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2018-09-20 15:10:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:10:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 159 transitions. [2018-09-20 15:10:42,560 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 159 transitions. Word has length 26 [2018-09-20 15:10:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:42,561 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 159 transitions. [2018-09-20 15:10:42,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 159 transitions. [2018-09-20 15:10:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:10:42,563 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:42,563 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] [2018-09-20 15:10:42,563 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:42,564 INFO L82 PathProgramCache]: Analyzing trace with hash 497435435, now seen corresponding path program 1 times [2018-09-20 15:10:42,565 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:42,565 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:42,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:42,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:42,914 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 11 treesize of output 8 [2018-09-20 15:10:42,921 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 8 treesize of output 7 [2018-09-20 15:10:42,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:42,926 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:42,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:42,938 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:42,984 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 29 treesize of output 21 [2018-09-20 15:10:42,991 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 21 treesize of output 9 [2018-09-20 15:10:42,992 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:42,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:43,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:43,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:43,128 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 15:10:43,128 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:43,147 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:43,147 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:43,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:43,148 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:43,148 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:43,148 INFO L87 Difference]: Start difference. First operand 142 states and 159 transitions. Second operand 9 states. [2018-09-20 15:10:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:49,954 INFO L93 Difference]: Finished difference Result 168 states and 186 transitions. [2018-09-20 15:10:49,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:49,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-09-20 15:10:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:49,958 INFO L225 Difference]: With dead ends: 168 [2018-09-20 15:10:49,958 INFO L226 Difference]: Without dead ends: 145 [2018-09-20 15:10:49,959 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:49,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-09-20 15:10:49,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2018-09-20 15:10:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:10:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 158 transitions. [2018-09-20 15:10:49,975 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 158 transitions. Word has length 27 [2018-09-20 15:10:49,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:49,975 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 158 transitions. [2018-09-20 15:10:49,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 158 transitions. [2018-09-20 15:10:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-20 15:10:49,977 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:49,978 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] [2018-09-20 15:10:49,978 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:49,979 INFO L82 PathProgramCache]: Analyzing trace with hash -847347883, now seen corresponding path program 1 times [2018-09-20 15:10:49,979 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:49,980 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 15:10:49,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:51,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:51,265 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 11 treesize of output 8 [2018-09-20 15:10:51,274 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 8 treesize of output 7 [2018-09-20 15:10:51,274 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:51,279 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:51,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:51,291 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:51,313 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 29 treesize of output 21 [2018-09-20 15:10:51,317 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 21 treesize of output 9 [2018-09-20 15:10:51,318 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:51,322 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:51,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:51,326 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:51,443 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 15:10:51,444 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:51,473 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:51,473 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:51,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:51,474 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:51,474 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:51,474 INFO L87 Difference]: Start difference. First operand 142 states and 158 transitions. Second operand 9 states. [2018-09-20 15:10:57,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:57,677 INFO L93 Difference]: Finished difference Result 197 states and 218 transitions. [2018-09-20 15:10:57,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:10:57,678 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-09-20 15:10:57,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:57,680 INFO L225 Difference]: With dead ends: 197 [2018-09-20 15:10:57,680 INFO L226 Difference]: Without dead ends: 150 [2018-09-20 15:10:57,681 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:57,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-09-20 15:10:57,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2018-09-20 15:10:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-09-20 15:10:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 164 transitions. [2018-09-20 15:10:57,701 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 164 transitions. Word has length 29 [2018-09-20 15:10:57,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:57,702 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 164 transitions. [2018-09-20 15:10:57,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2018-09-20 15:10:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:10:57,704 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:57,705 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] [2018-09-20 15:10:57,705 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:57,705 INFO L82 PathProgramCache]: Analyzing trace with hash 686800972, now seen corresponding path program 1 times [2018-09-20 15:10:57,707 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:57,707 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 15:10:57,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:57,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:57,900 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 15:10:57,900 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:57,911 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:57,912 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-20 15:10:57,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-20 15:10:57,914 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-20 15:10:57,914 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-20 15:10:57,915 INFO L87 Difference]: Start difference. First operand 147 states and 164 transitions. Second operand 7 states. [2018-09-20 15:10:58,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:58,449 INFO L93 Difference]: Finished difference Result 154 states and 171 transitions. [2018-09-20 15:10:58,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 15:10:58,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-09-20 15:10:58,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:58,454 INFO L225 Difference]: With dead ends: 154 [2018-09-20 15:10:58,454 INFO L226 Difference]: Without dead ends: 151 [2018-09-20 15:10:58,455 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-20 15:10:58,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-09-20 15:10:58,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-09-20 15:10:58,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-09-20 15:10:58,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2018-09-20 15:10:58,470 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 30 [2018-09-20 15:10:58,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:58,471 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2018-09-20 15:10:58,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-20 15:10:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2018-09-20 15:10:58,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-20 15:10:58,474 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:58,474 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 15:10:58,475 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:58,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1851263139, now seen corresponding path program 1 times [2018-09-20 15:10:58,476 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:58,476 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:58,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:58,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:58,756 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 11 treesize of output 8 [2018-09-20 15:10:58,761 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 8 treesize of output 7 [2018-09-20 15:10:58,762 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:58,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:58,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:58,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:58,819 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 29 treesize of output 21 [2018-09-20 15:10:58,824 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 21 treesize of output 9 [2018-09-20 15:10:58,825 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:58,829 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:58,832 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:58,832 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:59,061 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 15:10:59,061 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:59,075 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:59,075 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-20 15:10:59,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-20 15:10:59,076 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-20 15:10:59,077 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:10:59,077 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 14 states. [2018-09-20 15:11:00,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:00,759 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2018-09-20 15:11:00,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-20 15:11:00,760 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 46 [2018-09-20 15:11:00,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:00,761 INFO L225 Difference]: With dead ends: 156 [2018-09-20 15:11:00,761 INFO L226 Difference]: Without dead ends: 147 [2018-09-20 15:11:00,762 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2018-09-20 15:11:00,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-09-20 15:11:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-09-20 15:11:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-09-20 15:11:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 163 transitions. [2018-09-20 15:11:00,783 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 163 transitions. Word has length 46 [2018-09-20 15:11:00,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:00,783 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 163 transitions. [2018-09-20 15:11:00,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-20 15:11:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2018-09-20 15:11:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-20 15:11:00,786 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:00,786 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, 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 15:11:00,788 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:00,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1136092018, now seen corresponding path program 1 times [2018-09-20 15:11:00,789 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:11:00,789 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 15:11:00,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:02,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:11:02,297 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 11 treesize of output 8 [2018-09-20 15:11:02,301 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 8 treesize of output 7 [2018-09-20 15:11:02,302 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:11:02,306 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:02,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:02,318 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:11:02,371 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 29 treesize of output 21 [2018-09-20 15:11:02,381 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 21 treesize of output 9 [2018-09-20 15:11:02,381 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:11:02,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:02,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:02,390 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:11:02,544 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 15:11:02,544 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:11:02,580 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:11:02,580 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:11:02,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:11:02,580 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:11:02,581 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:11:02,581 INFO L87 Difference]: Start difference. First operand 147 states and 163 transitions. Second operand 9 states. [2018-09-20 15:11:06,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:06,012 INFO L93 Difference]: Finished difference Result 174 states and 192 transitions. [2018-09-20 15:11:06,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:11:06,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2018-09-20 15:11:06,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:06,016 INFO L225 Difference]: With dead ends: 174 [2018-09-20 15:11:06,016 INFO L226 Difference]: Without dead ends: 145 [2018-09-20 15:11:06,017 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:11:06,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-09-20 15:11:06,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2018-09-20 15:11:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:11:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 155 transitions. [2018-09-20 15:11:06,027 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 155 transitions. Word has length 73 [2018-09-20 15:11:06,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:06,027 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 155 transitions. [2018-09-20 15:11:06,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:11:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 155 transitions. [2018-09-20 15:11:06,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-20 15:11:06,030 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:06,030 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, 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 15:11:06,031 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:06,031 INFO L82 PathProgramCache]: Analyzing trace with hash -987440331, now seen corresponding path program 1 times [2018-09-20 15:11:06,032 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:11:06,033 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-20 15:11:06,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:07,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:11:08,929 WARN L178 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-20 15:11:09,518 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 15:11:09,518 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:11:09,545 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:11:09,545 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 15:11:09,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 15:11:09,546 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 15:11:09,546 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-20 15:11:09,548 INFO L87 Difference]: Start difference. First operand 142 states and 155 transitions. Second operand 6 states. [2018-09-20 15:11:11,475 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-20 15:11:14,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:14,949 INFO L93 Difference]: Finished difference Result 142 states and 155 transitions. [2018-09-20 15:11:14,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 15:11:14,959 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2018-09-20 15:11:14,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:14,960 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:11:14,960 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:11:14,967 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-20 15:11:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:11:14,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:11:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:11:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:11:14,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-09-20 15:11:14,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:14,968 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:11:14,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 15:11:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:11:14,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:11:14,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:11:15,962 WARN L178 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-09-20 15:11:16,919 WARN L178 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-09-20 15:11:17,922 WARN L178 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-09-20 15:11:17,972 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:11:17,973 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:11:17,973 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:11:17,973 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-20 15:11:17,973 INFO L426 ceAbstractionStarter]: For program point L99-2(lines 92 105) no Hoare annotation was computed. [2018-09-20 15:11:17,973 INFO L426 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-09-20 15:11:17,973 INFO L426 ceAbstractionStarter]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2018-09-20 15:11:17,973 INFO L426 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L97-2(line 97) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L95-2(line 95) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L95-3(line 95) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L102-2(line 102) no Hoare annotation was computed. [2018-09-20 15:11:17,974 INFO L426 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-09-20 15:11:17,975 INFO L426 ceAbstractionStarter]: For program point L100-2(line 100) no Hoare annotation was computed. [2018-09-20 15:11:17,975 INFO L426 ceAbstractionStarter]: For program point L100-3(line 100) no Hoare annotation was computed. [2018-09-20 15:11:17,975 INFO L426 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-09-20 15:11:17,975 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-09-20 15:11:17,975 INFO L426 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-09-20 15:11:17,975 INFO L429 ceAbstractionStarter]: At program point L94-3(lines 94 98) the Hoare annotation is: true [2018-09-20 15:11:17,975 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-09-20 15:11:17,975 INFO L426 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-09-20 15:11:17,975 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-09-20 15:11:17,975 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:11:17,976 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_asin~0) (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) [2018-09-20 15:11:17,976 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:11:17,976 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:11:17,976 INFO L426 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-09-20 15:11:17,976 INFO L426 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-09-20 15:11:17,976 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-09-20 15:11:17,976 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-09-20 15:11:17,976 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-09-20 15:11:17,977 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-09-20 15:11:17,977 INFO L426 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-09-20 15:11:17,977 INFO L426 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-09-20 15:11:17,977 INFO L422 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short21|) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:17,977 INFO L426 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-09-20 15:11:17,977 INFO L422 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (= (_ +zero 8 24) main_~x~0)) [2018-09-20 15:11:17,978 INFO L422 ceAbstractionStarter]: At program point L163-3(lines 163 167) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:17,978 INFO L426 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-09-20 15:11:17,978 INFO L426 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-09-20 15:11:17,978 INFO L426 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-09-20 15:11:17,978 INFO L426 ceAbstractionStarter]: For program point L168-2(lines 160 178) no Hoare annotation was computed. [2018-09-20 15:11:17,978 INFO L426 ceAbstractionStarter]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2018-09-20 15:11:17,978 INFO L426 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-09-20 15:11:17,978 INFO L426 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-09-20 15:11:17,978 INFO L426 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-09-20 15:11:17,979 INFO L422 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:17,979 INFO L426 ceAbstractionStarter]: For program point L164-2(line 164) no Hoare annotation was computed. [2018-09-20 15:11:17,979 INFO L426 ceAbstractionStarter]: For program point L164-3(line 164) no Hoare annotation was computed. [2018-09-20 15:11:17,979 INFO L422 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:17,979 INFO L426 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-09-20 15:11:17,979 INFO L426 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-09-20 15:11:17,979 INFO L426 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L123-2(line 123) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L169-1(line 169) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L169-2(line 169) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L169-3(line 169) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-09-20 15:11:17,980 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-09-20 15:11:17,981 INFO L422 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (or (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:17,981 INFO L429 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-09-20 15:11:17,981 INFO L426 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-09-20 15:11:17,981 INFO L426 ceAbstractionStarter]: For program point L170(line 170) no Hoare annotation was computed. [2018-09-20 15:11:17,981 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-20 15:11:17,981 INFO L426 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-09-20 15:11:17,981 INFO L426 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-09-20 15:11:17,981 INFO L426 ceAbstractionStarter]: For program point L166-2(line 166) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point L121-1(line 121) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point L121-2(line 121) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point L121-3(line 121) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-09-20 15:11:17,982 INFO L426 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L171-2(line 171) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L429 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-09-20 15:11:17,983 INFO L426 ceAbstractionStarter]: For program point L16-2(line 16) no Hoare annotation was computed. [2018-09-20 15:11:17,984 INFO L426 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:11:17,984 INFO L426 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-09-20 15:11:17,984 INFO L422 ceAbstractionStarter]: At program point L15-3(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-09-20 15:11:17,984 INFO L426 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-09-20 15:11:17,984 INFO L426 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:11:17,984 INFO L426 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-09-20 15:11:17,984 INFO L429 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-09-20 15:11:17,984 INFO L426 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-09-20 15:11:17,984 INFO L426 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-09-20 15:11:17,984 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-20 15:11:17,985 INFO L426 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-09-20 15:11:17,985 INFO L426 ceAbstractionStarter]: For program point L86-2(line 86) no Hoare annotation was computed. [2018-09-20 15:11:17,985 INFO L426 ceAbstractionStarter]: For program point L86-3(line 86) no Hoare annotation was computed. [2018-09-20 15:11:17,985 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-09-20 15:11:17,985 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-09-20 15:11:17,985 INFO L426 ceAbstractionStarter]: For program point L62-1(lines 62 71) no Hoare annotation was computed. [2018-09-20 15:11:17,985 INFO L429 ceAbstractionStarter]: At program point L62-3(lines 62 71) the Hoare annotation is: true [2018-09-20 15:11:17,985 INFO L426 ceAbstractionStarter]: For program point L62-4(lines 26 91) no Hoare annotation was computed. [2018-09-20 15:11:17,985 INFO L426 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-09-20 15:11:17,985 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L88-1(line 88) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L88-2(line 88) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-09-20 15:11:17,986 INFO L426 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L429 ceAbstractionStarter]: At program point L31-3(lines 31 35) the Hoare annotation is: true [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L31-4(lines 31 35) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 48 49) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L48-3(lines 48 49) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L429 ceAbstractionStarter]: At program point L48-4(lines 48 49) the Hoare annotation is: true [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L48-5(lines 48 49) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L32-2(line 32) no Hoare annotation was computed. [2018-09-20 15:11:17,987 INFO L426 ceAbstractionStarter]: For program point L32-3(line 32) no Hoare annotation was computed. [2018-09-20 15:11:17,988 INFO L426 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-09-20 15:11:17,988 INFO L426 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-09-20 15:11:17,988 INFO L426 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-09-20 15:11:17,988 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-20 15:11:17,988 INFO L426 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2018-09-20 15:11:17,988 INFO L426 ceAbstractionStarter]: For program point L34-2(line 34) no Hoare annotation was computed. [2018-09-20 15:11:17,988 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-09-20 15:11:17,997 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:17,998 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:17,999 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:17,999 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:17,999 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:17,999 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:17,999 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,000 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,003 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,004 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,004 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,004 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,008 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,009 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,009 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,009 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,009 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,010 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,010 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,010 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,010 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,010 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,011 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,011 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,012 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,012 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,013 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,013 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,013 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,013 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,013 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,014 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:11:18 BoogieIcfgContainer [2018-09-20 15:11:18,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:11:18,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:11:18,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:11:18,017 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:11:18,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:31" (3/4) ... [2018-09-20 15:11:18,022 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:11:18,030 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:11:18,031 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:11:18,031 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:11:18,031 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-09-20 15:11:18,031 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-09-20 15:11:18,031 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-20 15:11:18,041 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-09-20 15:11:18,041 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-20 15:11:18,042 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:11:18,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) [2018-09-20 15:11:18,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:11:18,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)))) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) [2018-09-20 15:11:18,152 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:11:18,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:11:18,157 INFO L168 Benchmark]: Toolchain (without parser) took 58917.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 951.8 MB in the beginning and 908.6 MB in the end (delta: 43.2 MB). Peak memory consumption was 235.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:18,159 INFO L168 Benchmark]: CDTParser took 0.22 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 15:11:18,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 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 15:11:18,159 INFO L168 Benchmark]: Boogie Preprocessor took 114.57 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:18,160 INFO L168 Benchmark]: RCFGBuilder took 11712.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:18,160 INFO L168 Benchmark]: TraceAbstraction took 46419.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 923.8 MB in the end (delta: 147.1 MB). Peak memory consumption was 210.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:18,162 INFO L168 Benchmark]: Witness Printer took 139.24 ms. Allocated memory is still 1.2 GB. Free memory was 923.8 MB in the beginning and 908.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:18,165 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 524.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 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 114.57 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11712.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 46419.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 923.8 MB in the end (delta: 147.1 MB). Peak memory consumption was 210.0 MB. Max. memory is 11.5 GB. * Witness Printer took 139.24 ms. Allocated memory is still 1.2 GB. Free memory was 923.8 MB in the beginning and 908.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 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[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-09-20 15:11:18,182 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,183 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,183 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,183 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,183 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,183 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,184 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,184 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,184 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,184 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,184 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,190 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,191 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,192 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,192 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,192 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,192 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,192 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,198 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,198 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:18,198 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,198 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,198 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,199 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)))) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) - InvariantResult [Line: 120]: Loop Invariant [2018-09-20 15:11:18,202 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,203 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,203 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,203 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,204 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,204 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,204 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:18,204 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 146 locations, 1 error locations. SAFE Result, 46.3s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 33.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1164 SDtfs, 779 SDslu, 6088 SDs, 0 SdLazy, 778 SolverSat, 65 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 27.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=5, 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 284 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 315 ConstructedInterpolants, 26 QuantifiedInterpolants, 136560 SizeOfPredicates, 49 NumberOfNonLiveVariables, 1049 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...