/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0470_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0470_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 d187cecab1a284a27f7c64e71455cab847eaa514 .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0470_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 d187cecab1a284a27f7c64e71455cab847eaa514 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:31:07,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:31:07,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:31:07,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:31:07,233 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:31:07,234 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:31:07,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:31:07,239 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:31:07,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:31:07,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:31:07,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:31:07,243 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:31:07,244 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:31:07,245 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:31:07,247 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:31:07,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:31:07,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:31:07,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:31:07,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:31:07,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:31:07,256 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:31:07,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:31:07,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:31:07,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:31:07,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:31:07,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:31:07,264 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:31:07,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:31:07,265 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:31:07,267 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:31:07,267 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:31:07,269 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:31:07,270 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:31:07,270 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:31:07,271 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:31:07,271 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:31:07,272 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:31:07,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:31:07,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:31:07,304 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:31:07,307 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:31:07,308 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:31:07,308 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:31:07,308 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:31:07,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:31:07,309 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:31:07,309 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:31:07,309 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:31:07,309 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:31:07,311 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:31:07,311 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:31:07,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:31:07,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:31:07,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:31:07,314 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:31:07,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:31:07,315 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:31:07,315 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:31:07,315 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:31:07,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:31:07,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:31:07,316 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:31:07,317 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:31:07,317 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:31:07,317 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:31:07,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:31:07,318 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 -> d187cecab1a284a27f7c64e71455cab847eaa514 [2018-09-20 14:31:07,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:31:07,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:31:07,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:31:07,415 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:31:07,415 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:31:07,416 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-09-20 14:31:07,792 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb59ee231/d903dfe5102542728251ff98652f675e/FLAG89de0241d [2018-09-20 14:31:07,994 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:31:07,995 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-09-20 14:31:08,007 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb59ee231/d903dfe5102542728251ff98652f675e/FLAG89de0241d [2018-09-20 14:31:08,023 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb59ee231/d903dfe5102542728251ff98652f675e [2018-09-20 14:31:08,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:31:08,032 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:31:08,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:31:08,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:31:08,042 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:31:08,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ade425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08, skipping insertion in model container [2018-09-20 14:31:08,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,060 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:31:08,457 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:31:08,481 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:31:08,570 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:31:08,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08 WrapperNode [2018-09-20 14:31:08,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:31:08,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:31:08,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:31:08,614 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:31:08,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (1/1) ... [2018-09-20 14:31:08,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:31:08,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:31:08,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:31:08,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:31:08,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:31:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:31:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:31:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:31:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:31:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-09-20 14:31:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:31:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:31:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:31:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:31:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:31:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:31:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:31:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:31:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:31:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:31:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-09-20 14:31:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:31:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:31:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:31:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:31:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:31:09,951 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:31:09,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:09 BoogieIcfgContainer [2018-09-20 14:31:09,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:31:09,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:31:09,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:31:09,956 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:31:09,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:31:08" (1/3) ... [2018-09-20 14:31:09,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683341a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:31:09, skipping insertion in model container [2018-09-20 14:31:09,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:08" (2/3) ... [2018-09-20 14:31:09,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683341a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:31:09, skipping insertion in model container [2018-09-20 14:31:09,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:09" (3/3) ... [2018-09-20 14:31:09,960 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470_true-unreach-call.c [2018-09-20 14:31:09,971 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:31:09,980 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:31:10,032 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:31:10,033 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:31:10,033 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:31:10,033 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:31:10,033 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:31:10,033 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:31:10,034 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:31:10,034 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:31:10,034 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:31:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-09-20 14:31:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 14:31:10,068 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:31:10,069 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] [2018-09-20 14:31:10,071 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:31:10,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1128323727, now seen corresponding path program 1 times [2018-09-20 14:31:10,080 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:31:10,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:31:10,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:31:10,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:31:10,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:31:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:31:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:31:10,271 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:31:10,271 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:31:10,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:31:10,291 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:31:10,292 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:31:10,295 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-09-20 14:31:10,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:31:10,347 INFO L93 Difference]: Finished difference Result 262 states and 346 transitions. [2018-09-20 14:31:10,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:31:10,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-20 14:31:10,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:31:10,363 INFO L225 Difference]: With dead ends: 262 [2018-09-20 14:31:10,364 INFO L226 Difference]: Without dead ends: 131 [2018-09-20 14:31:10,369 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:31:10,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-20 14:31:10,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-09-20 14:31:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-20 14:31:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 157 transitions. [2018-09-20 14:31:10,422 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 157 transitions. Word has length 23 [2018-09-20 14:31:10,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:31:10,423 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 157 transitions. [2018-09-20 14:31:10,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:31:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 157 transitions. [2018-09-20 14:31:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 14:31:10,425 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:31:10,425 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] [2018-09-20 14:31:10,426 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:31:10,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1977544809, now seen corresponding path program 1 times [2018-09-20 14:31:10,426 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:31:10,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:31:10,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:31:10,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:31:10,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:31:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:31:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:31:10,604 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:31:10,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:31:10 BoogieIcfgContainer [2018-09-20 14:31:10,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:31:10,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:31:10,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:31:10,674 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:31:10,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:09" (3/4) ... [2018-09-20 14:31:10,679 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:31:10,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:31:10,680 INFO L168 Benchmark]: Toolchain (without parser) took 2650.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 950.5 MB in the beginning and 1.0 GB in the end (delta: -76.6 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:31:10,683 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:31:10,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:31:10,684 INFO L168 Benchmark]: Boogie Preprocessor took 97.96 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:31:10,686 INFO L168 Benchmark]: RCFGBuilder took 1239.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:31:10,687 INFO L168 Benchmark]: TraceAbstraction took 719.81 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:31:10,688 INFO L168 Benchmark]: Witness Printer took 5.61 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 14:31:10,693 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 579.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.96 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1239.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 719.81 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.61 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: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 136, overapproximation of someBinaryArithmeticDOUBLEoperation at line 173, overapproximation of bitwiseAnd at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L131-L144] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [\old(one_acos)=26, \old(one_sqrt)=17, \old(pi)=15, \old(pi)=29, \old(pi)=19, \old(pS0_acos)=9, \old(pS1_acos)=27, \old(pS2_acos)=28, \old(pS3_acos)=13, \old(pS4_acos)=18, \old(pS5_acos)=30, \old(qS1_acos)=12, \old(qS2_acos)=20, \old(qS3_acos)=23, \old(qS4_acos)=14, \old(tiny_sqrt)=25, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L224] double x = 0.0 / 0.0; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L225] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=24, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L147] double z, p, q, r, w, s, c, df; [L148] __int32_t hx, ix; VAL [\old(x)=24, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L150] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=24, gh_u={21:0}, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L151] FCALL gh_u.value = (x) VAL [\old(x)=24, gh_u={21:0}, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L152] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=24, gh_u={21:0}, gh_u.parts.msw=3, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L152] (hx) = gh_u.parts.msw VAL [\old(x)=24, gh_u={21:0}, gh_u.parts.msw=3, hx=3, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L152] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=16, \old(x)=24, gh_u={21:0}, gh_u.parts.msw=3, hx=3, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L153] COND FALSE !(0) VAL [\old(x)=24, hx=3, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L154] ix = hx & 0x7fffffff VAL [\old(x)=24, hx=3, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L155] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=24, hx=3, ix=1012924417, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L170] COND TRUE ix < 0x3fe00000 VAL [\old(x)=24, hx=3, ix=1012924417, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L171] COND FALSE !(ix <= 0x3c600000) [L173] z = x * x [L174-L177] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L178-L179] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L180] r = p / q [L181] RET return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [\old(x)=24, hx=3, ix=1012924417, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L225] EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=11, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L225] double res = __ieee754_acos(x); [L228] CALL, EXPR isnan_double(res) VAL [\old(x)=11, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] RET return x != x; VAL [\old(x)=11, \result=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=11] [L228] EXPR isnan_double(res) VAL [isnan_double(res)=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=11, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L228] COND TRUE !isnan_double(res) [L229] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=11, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 135 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 161 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=135occurred 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, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 14:31:13,199 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:31:13,201 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:31:13,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:31:13,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:31:13,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:31:13,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:31:13,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:31:13,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:31:13,231 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:31:13,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:31:13,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:31:13,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:31:13,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:31:13,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:31:13,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:31:13,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:31:13,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:31:13,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:31:13,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:31:13,248 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:31:13,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:31:13,252 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:31:13,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:31:13,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:31:13,254 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:31:13,255 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:31:13,256 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:31:13,257 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:31:13,258 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:31:13,258 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:31:13,259 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:31:13,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:31:13,260 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:31:13,261 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:31:13,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:31:13,262 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:31:13,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:31:13,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:31:13,280 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:31:13,281 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:31:13,281 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:31:13,282 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:31:13,282 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:31:13,282 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:31:13,282 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:31:13,283 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:31:13,283 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:31:13,283 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:31:13,283 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:31:13,283 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:31:13,284 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:31:13,284 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:31:13,284 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:31:13,284 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:31:13,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:31:13,286 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:31:13,286 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:31:13,286 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:31:13,286 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:31:13,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:31:13,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:31:13,287 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:31:13,287 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:31:13,288 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:31:13,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:31:13,289 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:31:13,289 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:31:13,289 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 -> d187cecab1a284a27f7c64e71455cab847eaa514 [2018-09-20 14:31:13,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:31:13,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:31:13,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:31:13,374 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:31:13,374 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:31:13,375 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-09-20 14:31:13,718 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b8ec0fa/a2be48ae62884cec9a81fc2c8d778dc8/FLAGbdc1b45d3 [2018-09-20 14:31:13,967 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:31:13,970 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0470_true-unreach-call.c [2018-09-20 14:31:13,983 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b8ec0fa/a2be48ae62884cec9a81fc2c8d778dc8/FLAGbdc1b45d3 [2018-09-20 14:31:14,008 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b8ec0fa/a2be48ae62884cec9a81fc2c8d778dc8 [2018-09-20 14:31:14,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:31:14,015 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:31:14,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:31:14,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:31:14,024 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:31:14,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ecfc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14, skipping insertion in model container [2018-09-20 14:31:14,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,041 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:31:14,406 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:31:14,442 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:31:14,505 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:31:14,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14 WrapperNode [2018-09-20 14:31:14,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:31:14,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:31:14,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:31:14,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:31:14,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (1/1) ... [2018-09-20 14:31:14,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:31:14,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:31:14,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:31:14,678 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:31:14,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:31:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:31:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:31:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:31:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:31:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-09-20 14:31:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:31:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:31:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:31:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:31:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:31:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:31:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:31:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:31:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:31:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:31:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-09-20 14:31:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:31:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:31:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:31:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:31:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:31:15,149 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:15,191 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:15,286 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:15,317 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:26,580 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:33,449 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:33,469 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:33,496 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:33,613 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:31:33,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:33 BoogieIcfgContainer [2018-09-20 14:31:33,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:31:33,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:31:33,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:31:33,618 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:31:33,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:31:14" (1/3) ... [2018-09-20 14:31:33,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c23c17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:31:33, skipping insertion in model container [2018-09-20 14:31:33,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:14" (2/3) ... [2018-09-20 14:31:33,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c23c17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:31:33, skipping insertion in model container [2018-09-20 14:31:33,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:33" (3/3) ... [2018-09-20 14:31:33,622 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470_true-unreach-call.c [2018-09-20 14:31:33,630 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:31:33,638 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:31:33,686 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:31:33,687 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:31:33,687 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:31:33,688 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:31:33,688 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:31:33,688 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:31:33,688 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:31:33,688 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:31:33,688 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:31:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-09-20 14:31:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 14:31:33,721 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:31:33,722 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:31:33,725 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:31:33,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1580949475, now seen corresponding path program 1 times [2018-09-20 14:31:33,736 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:31:33,737 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 14:31:33,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:31:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:31:38,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:31:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:31:38,616 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:31:38,705 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:31:38,705 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:31:38,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:31:38,722 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:31:38,723 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:31:38,726 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-09-20 14:31:38,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:31:38,768 INFO L93 Difference]: Finished difference Result 260 states and 344 transitions. [2018-09-20 14:31:38,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:31:38,770 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 14:31:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:31:38,790 INFO L225 Difference]: With dead ends: 260 [2018-09-20 14:31:38,793 INFO L226 Difference]: Without dead ends: 130 [2018-09-20 14:31:38,801 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:31:38,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-09-20 14:31:38,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-09-20 14:31:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-09-20 14:31:38,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 156 transitions. [2018-09-20 14:31:38,873 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 156 transitions. Word has length 22 [2018-09-20 14:31:38,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:31:38,874 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 156 transitions. [2018-09-20 14:31:38,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:31:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 156 transitions. [2018-09-20 14:31:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 14:31:38,879 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:31:38,879 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] [2018-09-20 14:31:38,880 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:31:38,880 INFO L82 PathProgramCache]: Analyzing trace with hash 131486143, now seen corresponding path program 1 times [2018-09-20 14:31:38,881 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:31:38,881 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:31:38,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 14:31:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:31:43,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:31:43,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:31:43,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:31:43,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:31:43,803 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:31:43,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:31:43,826 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:31:43,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:31:43,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:31:43,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:31:43,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:31:44,010 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:31:44,011 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:31:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:31:44,503 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:31:44,611 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:31:44,611 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:31:44,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:31:44,614 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:31:44,614 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:31:44,615 INFO L87 Difference]: Start difference. First operand 130 states and 156 transitions. Second operand 9 states. [2018-09-20 14:31:45,169 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:32:02,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:32:02,288 INFO L93 Difference]: Finished difference Result 144 states and 169 transitions. [2018-09-20 14:32:02,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 14:32:02,290 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-20 14:32:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:32:02,296 INFO L225 Difference]: With dead ends: 144 [2018-09-20 14:32:02,296 INFO L226 Difference]: Without dead ends: 116 [2018-09-20 14:32:02,298 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-20 14:32:02,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-09-20 14:32:02,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-09-20 14:32:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-09-20 14:32:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 136 transitions. [2018-09-20 14:32:02,313 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 136 transitions. Word has length 31 [2018-09-20 14:32:02,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:32:02,314 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 136 transitions. [2018-09-20 14:32:02,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:32:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 136 transitions. [2018-09-20 14:32:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-20 14:32:02,317 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:32:02,317 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] [2018-09-20 14:32:02,317 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:32:02,318 INFO L82 PathProgramCache]: Analyzing trace with hash 94722355, now seen corresponding path program 1 times [2018-09-20 14:32:02,318 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:32:02,318 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 14:32:02,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:32:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:32:03,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:32:05,715 WARN L797 $PredicateComparison]: unable to prove that (= (let ((.cse0 (fp.sub RNE |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div RNE .cse0 .cse0)) |c___ieee754_acos_#res|) is different from false [2018-09-20 14:32:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:32:07,461 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:32:07,489 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:32:07,489 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:32:07,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:32:07,490 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:32:07,490 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-09-20 14:32:07,490 INFO L87 Difference]: Start difference. First operand 114 states and 136 transitions. Second operand 9 states. [2018-09-20 14:32:14,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:32:14,436 INFO L93 Difference]: Finished difference Result 123 states and 145 transitions. [2018-09-20 14:32:14,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-20 14:32:14,443 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-09-20 14:32:14,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:32:14,446 INFO L225 Difference]: With dead ends: 123 [2018-09-20 14:32:14,449 INFO L226 Difference]: Without dead ends: 116 [2018-09-20 14:32:14,450 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-09-20 14:32:14,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-09-20 14:32:14,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-09-20 14:32:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-09-20 14:32:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 135 transitions. [2018-09-20 14:32:14,468 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 135 transitions. Word has length 40 [2018-09-20 14:32:14,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:32:14,469 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 135 transitions. [2018-09-20 14:32:14,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:32:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2018-09-20 14:32:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 14:32:14,471 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:32:14,471 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] [2018-09-20 14:32:14,471 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:32:14,472 INFO L82 PathProgramCache]: Analyzing trace with hash -2080023178, now seen corresponding path program 1 times [2018-09-20 14:32:14,472 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:32:14,472 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:32:14,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:32:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:32:14,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:32:14,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:32:14,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:32:14,655 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:14,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:14,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:32:14,681 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:32:14,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:32:14,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:32:14,795 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:14,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:14,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:32:14,811 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:32:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:32:15,100 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:32:15,115 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:32:15,116 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:32:15,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:32:15,116 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:32:15,117 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:32:15,118 INFO L87 Difference]: Start difference. First operand 114 states and 135 transitions. Second operand 9 states. [2018-09-20 14:32:22,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:32:22,328 INFO L93 Difference]: Finished difference Result 124 states and 144 transitions. [2018-09-20 14:32:22,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 14:32:22,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-09-20 14:32:22,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:32:22,332 INFO L225 Difference]: With dead ends: 124 [2018-09-20 14:32:22,332 INFO L226 Difference]: Without dead ends: 102 [2018-09-20 14:32:22,333 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-20 14:32:22,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-09-20 14:32:22,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-09-20 14:32:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-09-20 14:32:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 121 transitions. [2018-09-20 14:32:22,346 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 121 transitions. Word has length 41 [2018-09-20 14:32:22,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:32:22,347 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 121 transitions. [2018-09-20 14:32:22,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:32:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2018-09-20 14:32:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-20 14:32:22,349 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:32:22,349 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] [2018-09-20 14:32:22,349 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:32:22,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1266623308, now seen corresponding path program 1 times [2018-09-20 14:32:22,350 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:32:22,350 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) [2018-09-20 14:32:22,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 14:32:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:32:27,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:32:27,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:32:27,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:32:27,541 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:27,547 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:27,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:32:27,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:32:27,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:32:27,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:32:27,621 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:27,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:27,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:32:27,639 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:32:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:32:27,906 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:32:28,016 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:32:28,016 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:32:28,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:32:28,017 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:32:28,017 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:32:28,019 INFO L87 Difference]: Start difference. First operand 102 states and 121 transitions. Second operand 9 states. [2018-09-20 14:32:32,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:32:32,884 INFO L93 Difference]: Finished difference Result 102 states and 121 transitions. [2018-09-20 14:32:32,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 14:32:32,886 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2018-09-20 14:32:32,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:32:32,888 INFO L225 Difference]: With dead ends: 102 [2018-09-20 14:32:32,888 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:32:32,889 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-20 14:32:32,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:32:32,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:32:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:32:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:32:32,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2018-09-20 14:32:32,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:32:32,891 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:32:32,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:32:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:32:32,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:32:32,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:32:33,339 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 21 129) the Hoare annotation is: true [2018-09-20 14:32:33,339 INFO L426 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-09-20 14:32:33,339 INFO L426 ceAbstractionStarter]: For program point L126-1(line 126) no Hoare annotation was computed. [2018-09-20 14:32:33,339 INFO L426 ceAbstractionStarter]: For program point L60(lines 60 63) no Hoare annotation was computed. [2018-09-20 14:32:33,339 INFO L426 ceAbstractionStarter]: For program point L126-2(line 126) no Hoare annotation was computed. [2018-09-20 14:32:33,339 INFO L426 ceAbstractionStarter]: For program point L126-3(line 126) no Hoare annotation was computed. [2018-09-20 14:32:33,339 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-09-20 14:32:33,339 INFO L426 ceAbstractionStarter]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2018-09-20 14:32:33,340 INFO L429 ceAbstractionStarter]: At program point L27-3(lines 27 32) the Hoare annotation is: true [2018-09-20 14:32:33,340 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 21 129) no Hoare annotation was computed. [2018-09-20 14:32:33,340 INFO L426 ceAbstractionStarter]: For program point L27-4(lines 21 129) no Hoare annotation was computed. [2018-09-20 14:32:33,340 INFO L426 ceAbstractionStarter]: For program point L52-1(lines 52 53) no Hoare annotation was computed. [2018-09-20 14:32:33,340 INFO L426 ceAbstractionStarter]: For program point L52-3(lines 52 53) no Hoare annotation was computed. [2018-09-20 14:32:33,340 INFO L429 ceAbstractionStarter]: At program point L52-4(lines 52 53) the Hoare annotation is: true [2018-09-20 14:32:33,340 INFO L426 ceAbstractionStarter]: For program point L52-5(lines 52 53) no Hoare annotation was computed. [2018-09-20 14:32:33,340 INFO L426 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-09-20 14:32:33,340 INFO L426 ceAbstractionStarter]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 116) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L28-2(line 28) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L28-3(line 28) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-09-20 14:32:33,341 INFO L426 ceAbstractionStarter]: For program point L87(lines 87 96) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L46(lines 46 57) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L104(lines 104 115) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 43) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L71-1(lines 71 81) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L429 ceAbstractionStarter]: At program point L71-3(lines 71 81) the Hoare annotation is: true [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L71-4(lines 71 81) no Hoare annotation was computed. [2018-09-20 14:32:33,342 INFO L426 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-09-20 14:32:33,343 INFO L426 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-09-20 14:32:33,343 INFO L426 ceAbstractionStarter]: For program point L30-2(line 30) no Hoare annotation was computed. [2018-09-20 14:32:33,343 INFO L426 ceAbstractionStarter]: For program point L47-1(lines 47 51) no Hoare annotation was computed. [2018-09-20 14:32:33,343 INFO L429 ceAbstractionStarter]: At program point L47-3(lines 47 51) the Hoare annotation is: true [2018-09-20 14:32:33,343 INFO L426 ceAbstractionStarter]: For program point L47-4(lines 47 51) no Hoare annotation was computed. [2018-09-20 14:32:33,343 INFO L426 ceAbstractionStarter]: For program point L39(lines 39 42) no Hoare annotation was computed. [2018-09-20 14:32:33,343 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-20 14:32:33,343 INFO L426 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-09-20 14:32:33,343 INFO L426 ceAbstractionStarter]: For program point L31-2(line 31) no Hoare annotation was computed. [2018-09-20 14:32:33,344 INFO L426 ceAbstractionStarter]: For program point L31-3(line 31) no Hoare annotation was computed. [2018-09-20 14:32:33,344 INFO L426 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-09-20 14:32:33,344 INFO L426 ceAbstractionStarter]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2018-09-20 14:32:33,344 INFO L426 ceAbstractionStarter]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2018-09-20 14:32:33,344 INFO L429 ceAbstractionStarter]: At program point L122-3(lines 122 127) the Hoare annotation is: true [2018-09-20 14:32:33,344 INFO L426 ceAbstractionStarter]: For program point L122-4(lines 122 127) no Hoare annotation was computed. [2018-09-20 14:32:33,344 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 114) no Hoare annotation was computed. [2018-09-20 14:32:33,344 INFO L426 ceAbstractionStarter]: For program point L73(lines 73 77) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 21 129) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point L123-2(line 123) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point L123-3(line 123) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-20 14:32:33,345 INFO L426 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-09-20 14:32:33,346 INFO L426 ceAbstractionStarter]: For program point L92(lines 92 93) no Hoare annotation was computed. [2018-09-20 14:32:33,346 INFO L426 ceAbstractionStarter]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2018-09-20 14:32:33,346 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 84 100) no Hoare annotation was computed. [2018-09-20 14:32:33,346 INFO L429 ceAbstractionStarter]: At program point L84-3(lines 84 100) the Hoare annotation is: true [2018-09-20 14:32:33,346 INFO L426 ceAbstractionStarter]: For program point L84-4(lines 21 129) no Hoare annotation was computed. [2018-09-20 14:32:33,346 INFO L426 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-09-20 14:32:33,346 INFO L429 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 17) the Hoare annotation is: true [2018-09-20 14:32:33,346 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 17) no Hoare annotation was computed. [2018-09-20 14:32:33,346 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 17) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point L155(lines 155 169) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 146 215) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-20 14:32:33,347 INFO L426 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-09-20 14:32:33,348 INFO L429 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 146 215) the Hoare annotation is: true [2018-09-20 14:32:33,348 INFO L426 ceAbstractionStarter]: For program point L160-2(line 160) no Hoare annotation was computed. [2018-09-20 14:32:33,348 INFO L426 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-09-20 14:32:33,348 INFO L426 ceAbstractionStarter]: For program point L152-1(line 152) no Hoare annotation was computed. [2018-09-20 14:32:33,348 INFO L426 ceAbstractionStarter]: For program point L152-2(line 152) no Hoare annotation was computed. [2018-09-20 14:32:33,348 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-20 14:32:33,348 INFO L426 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-09-20 14:32:33,348 INFO L426 ceAbstractionStarter]: For program point L202-2(line 202) no Hoare annotation was computed. [2018-09-20 14:32:33,348 INFO L426 ceAbstractionStarter]: For program point L202-3(line 202) no Hoare annotation was computed. [2018-09-20 14:32:33,349 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 146 215) no Hoare annotation was computed. [2018-09-20 14:32:33,349 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2018-09-20 14:32:33,349 INFO L422 ceAbstractionStarter]: At program point L198-3(lines 198 203) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_q#valueAsBitvector_9|) __ieee754_acos_~hx~0))) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))))) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (not (bvsge (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)) (_ bv1072693248 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-09-20 14:32:33,349 INFO L426 ceAbstractionStarter]: For program point L198-4(lines 198 203) no Hoare annotation was computed. [2018-09-20 14:32:33,349 INFO L422 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_11| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_11|) ((_ extract 62 52) |v_q#valueAsBitvector_11|) ((_ extract 51 0) |v_q#valueAsBitvector_11|))) (not (bvsge (bvand ((_ extract 63 32) |v_q#valueAsBitvector_11|) (_ bv2147483647 32)) (_ bv1072693248 32))))) [2018-09-20 14:32:33,349 INFO L426 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-09-20 14:32:33,349 INFO L426 ceAbstractionStarter]: For program point L157-1(lines 157 161) no Hoare annotation was computed. [2018-09-20 14:32:33,350 INFO L422 ceAbstractionStarter]: At program point L157-3(lines 157 161) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= (bvand ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv2147483647 32)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_10|) __ieee754_acos_~hx~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-09-20 14:32:33,350 INFO L426 ceAbstractionStarter]: For program point L157-4(lines 155 169) no Hoare annotation was computed. [2018-09-20 14:32:33,350 INFO L426 ceAbstractionStarter]: For program point L182(lines 182 214) no Hoare annotation was computed. [2018-09-20 14:32:33,350 INFO L426 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-09-20 14:32:33,350 INFO L422 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-09-20 14:32:33,350 INFO L426 ceAbstractionStarter]: For program point L149-4(lines 149 153) no Hoare annotation was computed. [2018-09-20 14:32:33,350 INFO L426 ceAbstractionStarter]: For program point L170(lines 170 214) no Hoare annotation was computed. [2018-09-20 14:32:33,350 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L199-2(line 199) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L199-3(line 199) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L158-1(line 158) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L158-2(line 158) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L158-3(line 158) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-09-20 14:32:33,351 INFO L426 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-09-20 14:32:33,352 INFO L426 ceAbstractionStarter]: For program point L150-2(line 150) no Hoare annotation was computed. [2018-09-20 14:32:33,352 INFO L426 ceAbstractionStarter]: For program point L150-3(line 150) no Hoare annotation was computed. [2018-09-20 14:32:33,352 INFO L426 ceAbstractionStarter]: For program point L171(lines 171 172) no Hoare annotation was computed. [2018-09-20 14:32:33,352 INFO L426 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-09-20 14:32:33,352 INFO L422 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_q#valueAsBitvector_9|) __ieee754_acos_~hx~0))) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))))) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (not (bvsge (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)) (_ bv1072693248 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-09-20 14:32:33,352 INFO L426 ceAbstractionStarter]: For program point L163(lines 163 166) no Hoare annotation was computed. [2018-09-20 14:32:33,352 INFO L426 ceAbstractionStarter]: For program point L196-1(line 196) no Hoare annotation was computed. [2018-09-20 14:32:33,352 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:32:33,353 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 14:32:33,353 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:32:33,353 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:32:33,353 INFO L422 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (= (fp.div RNE (_ +zero 11 53) (_ +zero 11 53)) main_~x~0) [2018-09-20 14:32:33,353 INFO L426 ceAbstractionStarter]: For program point L225-1(line 225) no Hoare annotation was computed. [2018-09-20 14:32:33,353 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 217 234) the Hoare annotation is: true [2018-09-20 14:32:33,353 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 217 234) no Hoare annotation was computed. [2018-09-20 14:32:33,353 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 217 234) no Hoare annotation was computed. [2018-09-20 14:32:33,353 INFO L426 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-09-20 14:32:33,354 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2018-09-20 14:32:33,354 INFO L422 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (fp.div RNE (_ +zero 11 53) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= (let ((.cse1 (fp.sub RNE .cse0 .cse0))) (fp.div RNE .cse1 .cse1)) main_~res~0))) [2018-09-20 14:32:33,354 INFO L426 ceAbstractionStarter]: For program point L228-1(lines 228 231) no Hoare annotation was computed. [2018-09-20 14:32:33,362 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,363 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,363 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,363 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,363 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,364 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,364 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,364 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,364 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,364 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,365 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,365 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,372 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,372 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,373 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,373 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,373 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,373 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,373 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,374 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,374 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,374 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,374 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,374 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,377 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,377 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,377 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,377 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,378 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,378 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,378 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,378 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,381 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,382 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,382 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,382 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,382 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,383 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,383 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,383 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:32:33 BoogieIcfgContainer [2018-09-20 14:32:33,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:32:33,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:32:33,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:32:33,390 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:32:33,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:33" (3/4) ... [2018-09-20 14:32:33,404 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:32:33,413 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-09-20 14:32:33,413 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-20 14:32:33,413 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:32:33,413 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-09-20 14:32:33,414 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:32:33,425 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-09-20 14:32:33,425 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-09-20 14:32:33,426 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-09-20 14:32:33,426 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 14:32:33,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 14:32:33,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_10 : bv64 :: ~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0])) && (\exists v_q#valueAsBitvector_10 : bv64 :: v_q#valueAsBitvector_10[63:32] == hx && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) && \old(x) == x [2018-09-20 14:32:33,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_q#valueAsBitvector_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) && v_q#valueAsBitvector_9[63:32] == hx) && (\exists v_q#valueAsBitvector_9 : bv64 :: ~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]))) && (\exists v_q#valueAsBitvector_9 : bv64 :: !~bvsge32(~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32), 1072693248bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]))) && \old(x) == x [2018-09-20 14:32:33,557 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:32:33,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:32:33,562 INFO L168 Benchmark]: Toolchain (without parser) took 79549.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 951.9 MB in the beginning and 1.2 GB in the end (delta: -217.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:32:33,564 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:32:33,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.64 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:32:33,564 INFO L168 Benchmark]: Boogie Preprocessor took 120.49 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:32:33,565 INFO L168 Benchmark]: RCFGBuilder took 18936.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:32:33,566 INFO L168 Benchmark]: TraceAbstraction took 59774.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.4 MB). Peak memory consumption was 289.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:32:33,566 INFO L168 Benchmark]: Witness Printer took 171.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:32:33,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 536.64 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.49 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 18936.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 59774.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.4 MB). Peak memory consumption was 289.3 MB. Max. memory is 11.5 GB. * Witness Printer took 171.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 229]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant [2018-09-20 14:32:33,582 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,582 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,582 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,583 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,583 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,583 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,583 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,583 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,583 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,584 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,584 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,584 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,587 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,588 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,588 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,588 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,588 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,588 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:32:33,589 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: (((\exists v_q#valueAsBitvector_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) && v_q#valueAsBitvector_9[63:32] == hx) && (\exists v_q#valueAsBitvector_9 : bv64 :: ~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]))) && (\exists v_q#valueAsBitvector_9 : bv64 :: !~bvsge32(~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32), 1072693248bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]))) && \old(x) == x - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant [2018-09-20 14:32:33,591 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,591 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,591 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,591 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,591 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:32:33,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] Derived loop invariant: ((\exists v_q#valueAsBitvector_10 : bv64 :: ~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0])) && (\exists v_q#valueAsBitvector_10 : bv64 :: v_q#valueAsBitvector_10[63:32] == hx && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) && \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 134 locations, 1 error locations. SAFE Result, 59.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 36.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 653 SDtfs, 226 SDslu, 3131 SDs, 0 SdLazy, 308 SolverSat, 13 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 29.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 45 PreInvPairs, 63 NumberOfFragments, 215 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 14.0s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 180 ConstructedInterpolants, 51 QuantifiedInterpolants, 46987 SizeOfPredicates, 29 NumberOfNonLiveVariables, 634 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...