./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_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 c9a1fee23eedac3d97051809c6053bb68912ddb9 .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_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 c9a1fee23eedac3d97051809c6053bb68912ddb9 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:48:42,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:48:42,130 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:48:42,148 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:48:42,148 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:48:42,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:48:42,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:48:42,156 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:48:42,159 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:48:42,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:48:42,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:48:42,170 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:48:42,174 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:48:42,177 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:48:42,178 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:48:42,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:48:42,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:48:42,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:48:42,188 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:48:42,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:48:42,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:48:42,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:48:42,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:48:42,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:48:42,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:48:42,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:48:42,206 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:48:42,210 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:48:42,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:48:42,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:48:42,217 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:48:42,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:48:42,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:48:42,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:48:42,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:48:42,223 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:48:42,224 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:48:42,253 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:48:42,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:48:42,256 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:48:42,259 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:48:42,260 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:48:42,261 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:48:42,261 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:48:42,261 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:48:42,262 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:48:42,263 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:48:42,263 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:48:42,263 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:48:42,263 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:48:42,263 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:48:42,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:48:42,264 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:48:42,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:48:42,266 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:48:42,266 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:48:42,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:48:42,267 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:48:42,267 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:48:42,267 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:48:42,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:48:42,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:48:42,269 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:48:42,270 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:48:42,270 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:48:42,270 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:48:42,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:48:42,270 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 -> c9a1fee23eedac3d97051809c6053bb68912ddb9 [2018-11-28 17:48:42,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:48:42,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:48:42,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:48:42,359 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:48:42,359 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:48:42,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2018-11-28 17:48:42,436 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60dddb78/68679c08c92244aea2b0a58b6cca259d/FLAGa15784569 [2018-11-28 17:48:42,929 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:48:42,930 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2018-11-28 17:48:42,940 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60dddb78/68679c08c92244aea2b0a58b6cca259d/FLAGa15784569 [2018-11-28 17:48:43,270 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60dddb78/68679c08c92244aea2b0a58b6cca259d [2018-11-28 17:48:43,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:48:43,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:48:43,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:48:43,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:48:43,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:48:43,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4e5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43, skipping insertion in model container [2018-11-28 17:48:43,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:48:43,349 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:48:43,625 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:48:43,631 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:48:43,725 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:48:43,758 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:48:43,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43 WrapperNode [2018-11-28 17:48:43,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:48:43,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:48:43,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:48:43,760 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:48:43,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:48:43,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:48:43,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:48:43,873 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:48:43,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (1/1) ... [2018-11-28 17:48:43,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:48:43,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:48:43,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:48:43,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:48:43,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (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 [2018-11-28 17:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-28 17:48:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-28 17:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:48:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:48:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-28 17:48:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-28 17:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 17:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 17:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 17:48:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 17:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-11-28 17:48:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-11-28 17:48:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:48:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:48:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 17:48:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:48:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:48:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:48:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 17:48:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:48:45,160 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:48:45,160 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-11-28 17:48:45,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:48:45 BoogieIcfgContainer [2018-11-28 17:48:45,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:48:45,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:48:45,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:48:45,165 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:48:45,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:48:43" (1/3) ... [2018-11-28 17:48:45,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173117bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:48:45, skipping insertion in model container [2018-11-28 17:48:45,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:43" (2/3) ... [2018-11-28 17:48:45,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173117bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:48:45, skipping insertion in model container [2018-11-28 17:48:45,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:48:45" (3/3) ... [2018-11-28 17:48:45,169 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281_true-unreach-call.c [2018-11-28 17:48:45,178 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:48:45,186 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:48:45,204 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:48:45,241 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:48:45,242 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:48:45,243 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:48:45,243 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:48:45,246 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:48:45,246 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:48:45,246 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:48:45,246 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:48:45,246 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:48:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-11-28 17:48:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 17:48:45,283 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:48:45,284 INFO L402 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] [2018-11-28 17:48:45,286 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:48:45,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:48:45,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1240281904, now seen corresponding path program 1 times [2018-11-28 17:48:45,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:48:45,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:48:45,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:48:45,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:48:45,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:48:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:48:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:48:45,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:48:45,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:48:45,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:48:45,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:48:45,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:48:45,533 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-11-28 17:48:45,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:48:45,573 INFO L93 Difference]: Finished difference Result 179 states and 272 transitions. [2018-11-28 17:48:45,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:48:45,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-28 17:48:45,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:48:45,589 INFO L225 Difference]: With dead ends: 179 [2018-11-28 17:48:45,590 INFO L226 Difference]: Without dead ends: 89 [2018-11-28 17:48:45,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:48:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-11-28 17:48:45,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-11-28 17:48:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-11-28 17:48:45,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2018-11-28 17:48:45,666 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 24 [2018-11-28 17:48:45,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:48:45,666 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2018-11-28 17:48:45,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:48:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2018-11-28 17:48:45,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 17:48:45,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:48:45,668 INFO L402 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] [2018-11-28 17:48:45,671 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:48:45,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:48:45,672 INFO L82 PathProgramCache]: Analyzing trace with hash -96796200, now seen corresponding path program 1 times [2018-11-28 17:48:45,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:48:45,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:48:45,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:48:45,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:48:45,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:48:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:48:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:48:45,862 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:48:45,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:48:45 BoogieIcfgContainer [2018-11-28 17:48:45,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:48:45,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:48:45,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:48:45,939 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:48:45,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:48:45" (3/4) ... [2018-11-28 17:48:45,946 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:48:45,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:48:45,948 INFO L168 Benchmark]: Toolchain (without parser) took 2672.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -92.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:48:45,951 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:48:45,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.25 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:48:45,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:48:45,958 INFO L168 Benchmark]: Boogie Preprocessor took 71.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:48:45,960 INFO L168 Benchmark]: RCFGBuilder took 1216.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:48:45,961 INFO L168 Benchmark]: TraceAbstraction took 776.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:48:45,963 INFO L168 Benchmark]: Witness Printer took 8.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:48:45,969 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 480.25 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1216.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 776.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * Witness Printer took 8.10 ms. Allocated memory is still 1.2 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: 248]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 153, overapproximation of bitwiseAnd at line 171, overapproximation of someBinaryArithmeticDOUBLEoperation at line 188, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L147-L161] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [\old(huge_asin)=31, \old(one_asin)=24, \old(one_sqrt)=22, \old(pio2_hi_asin)=23, \old(pio2_lo_asin)=12, \old(pio4_hi_asin)=25, \old(pS0_asin)=29, \old(pS1_asin)=26, \old(pS2_asin)=10, \old(pS3_asin)=28, \old(pS4_asin)=15, \old(pS5_asin)=11, \old(qS1_asin)=33, \old(qS2_asin)=16, \old(qS3_asin)=9, \old(qS4_asin)=30, \old(tiny_sqrt)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] double x = __VERIFIER_nondet_double(); [L242] COND TRUE x < -1.0 && x > 1.0 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L244] CALL, EXPR __ieee754_asin(x) VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] double t, w, p, q, c, r, s; [L165] __int32_t hx, ix; VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L167] ieee_double_shape_type gh_u; [L168] gh_u.value = (x) [L169] EXPR gh_u.parts.msw [L169] (hx) = gh_u.parts.msw [L171] ix = hx & 0x7fffffff VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L172] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L183] COND TRUE ix < 0x3fe00000 VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L184] COND FALSE !(ix < 0x3e400000) [L188] t = x * x [L189-L192] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L193-L194] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L195] w = p / q [L196] return x + x * w; VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L244] RET, EXPR __ieee754_asin(x) VAL [__ieee754_asin(x)=19, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L244] double res = __ieee754_asin(x); [L247] CALL, EXPR isnan_double(res) VAL [\old(x)=19, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L18] return x != x; VAL [\old(x)=19, \result=0, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=19] [L247] RET, EXPR isnan_double(res) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=19, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L247] COND TRUE !isnan_double(res) [L248] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=19, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 94 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 121 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=94occurred 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, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 17:48:48,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:48:48,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:48:48,575 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:48:48,576 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:48:48,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:48:48,581 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:48:48,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:48:48,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:48:48,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:48:48,591 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:48:48,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:48:48,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:48:48,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:48:48,604 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:48:48,604 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:48:48,607 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:48:48,612 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:48:48,616 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:48:48,619 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:48:48,620 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:48:48,626 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:48:48,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:48:48,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:48:48,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:48:48,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:48:48,632 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:48:48,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:48:48,637 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:48:48,638 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:48:48,638 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:48:48,639 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:48:48,639 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:48:48,639 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:48:48,642 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:48:48,644 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:48:48,645 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:48:48,672 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:48:48,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:48:48,673 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:48:48,674 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:48:48,674 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:48:48,675 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:48:48,676 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:48:48,676 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:48:48,676 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:48:48,676 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:48:48,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:48:48,677 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:48:48,677 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:48:48,677 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:48:48,677 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:48:48,677 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:48:48,677 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:48:48,677 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:48:48,678 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:48:48,678 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:48:48,678 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:48:48,678 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:48:48,680 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:48:48,680 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:48:48,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:48:48,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:48:48,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:48:48,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:48:48,681 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:48:48,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:48:48,681 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:48:48,681 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:48:48,682 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 -> c9a1fee23eedac3d97051809c6053bb68912ddb9 [2018-11-28 17:48:48,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:48:48,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:48:48,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:48:48,757 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:48:48,757 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:48:48,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2018-11-28 17:48:48,828 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a9efa589/ddf681d49f4c45f086eb0fc94eff16c2/FLAGb8c3e49df [2018-11-28 17:48:49,259 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:48:49,260 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2018-11-28 17:48:49,270 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a9efa589/ddf681d49f4c45f086eb0fc94eff16c2/FLAGb8c3e49df [2018-11-28 17:48:49,603 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a9efa589/ddf681d49f4c45f086eb0fc94eff16c2 [2018-11-28 17:48:49,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:48:49,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:48:49,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:48:49,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:48:49,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:48:49,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:48:49" (1/1) ... [2018-11-28 17:48:49,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219939fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:49, skipping insertion in model container [2018-11-28 17:48:49,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:48:49" (1/1) ... [2018-11-28 17:48:49,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:48:49,670 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:48:50,055 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:48:50,071 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:48:50,178 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:48:50,208 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:48:50,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50 WrapperNode [2018-11-28 17:48:50,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:48:50,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:48:50,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:48:50,209 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:48:50,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:48:50,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:48:50,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:48:50,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:48:50,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... [2018-11-28 17:48:50,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:48:50,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:48:50,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:48:50,399 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:48:50,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:48:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-28 17:48:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-28 17:48:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 17:48:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 17:48:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:48:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:48:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-28 17:48:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-28 17:48:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 17:48:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 17:48:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-11-28 17:48:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-11-28 17:48:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:48:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:48:50,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:48:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 17:48:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:48:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:48:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 17:48:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:48:50,887 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:48:50,943 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:48:51,457 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:49:05,203 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:49:05,229 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:49:08,180 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:49:10,317 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:49:10,318 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-11-28 17:49:10,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:49:10 BoogieIcfgContainer [2018-11-28 17:49:10,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:49:10,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:49:10,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:49:10,324 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:49:10,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:48:49" (1/3) ... [2018-11-28 17:49:10,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fa6d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:49:10, skipping insertion in model container [2018-11-28 17:49:10,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:48:50" (2/3) ... [2018-11-28 17:49:10,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fa6d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:49:10, skipping insertion in model container [2018-11-28 17:49:10,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:49:10" (3/3) ... [2018-11-28 17:49:10,328 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281_true-unreach-call.c [2018-11-28 17:49:10,340 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:49:10,350 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:49:10,369 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:49:10,399 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:49:10,400 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:49:10,400 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:49:10,400 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:49:10,400 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:49:10,400 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:49:10,400 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:49:10,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:49:10,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:49:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2018-11-28 17:49:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 17:49:10,426 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:49:10,427 INFO L402 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] [2018-11-28 17:49:10,429 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:49:10,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:49:10,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1190989158, now seen corresponding path program 1 times [2018-11-28 17:49:10,438 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:49:10,439 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 [2018-11-28 17:49:10,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:49:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:49:11,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:49:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:49:11,339 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:49:11,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:49:11,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:49:11,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:49:11,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:49:11,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:49:11,387 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2018-11-28 17:49:11,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:49:11,411 INFO L93 Difference]: Finished difference Result 98 states and 143 transitions. [2018-11-28 17:49:11,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:49:11,413 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-28 17:49:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:49:11,421 INFO L225 Difference]: With dead ends: 98 [2018-11-28 17:49:11,421 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:49:11,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:49:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:49:11,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:49:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:49:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:49:11,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-11-28 17:49:11,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:49:11,457 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:49:11,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:49:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:49:11,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:49:11,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:49:11,606 INFO L448 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 131 145) no Hoare annotation was computed. [2018-11-28 17:49:11,607 INFO L451 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 131 145) the Hoare annotation is: true [2018-11-28 17:49:11,607 INFO L448 ceAbstractionStarter]: For program point L138(lines 138 143) no Hoare annotation was computed. [2018-11-28 17:49:11,607 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 131 145) no Hoare annotation was computed. [2018-11-28 17:49:11,607 INFO L448 ceAbstractionStarter]: For program point L138-2(lines 138 143) no Hoare annotation was computed. [2018-11-28 17:49:11,608 INFO L448 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 131 145) no Hoare annotation was computed. [2018-11-28 17:49:11,608 INFO L448 ceAbstractionStarter]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2018-11-28 17:49:11,608 INFO L451 ceAbstractionStarter]: At program point L133-2(lines 133 137) the Hoare annotation is: true [2018-11-28 17:49:11,608 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 22 130) the Hoare annotation is: true [2018-11-28 17:49:11,608 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-11-28 17:49:11,608 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-11-28 17:49:11,609 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 22 130) no Hoare annotation was computed. [2018-11-28 17:49:11,609 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: true [2018-11-28 17:49:11,610 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2018-11-28 17:49:11,610 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-11-28 17:49:11,610 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-11-28 17:49:11,610 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-11-28 17:49:11,610 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-11-28 17:49:11,610 INFO L451 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: true [2018-11-28 17:49:11,612 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2018-11-28 17:49:11,612 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2018-11-28 17:49:11,612 INFO L451 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: true [2018-11-28 17:49:11,612 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2018-11-28 17:49:11,612 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-11-28 17:49:11,612 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-11-28 17:49:11,613 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-11-28 17:49:11,613 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-11-28 17:49:11,613 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-11-28 17:49:11,613 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-11-28 17:49:11,613 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-11-28 17:49:11,613 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-11-28 17:49:11,614 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-11-28 17:49:11,614 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-11-28 17:49:11,614 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-11-28 17:49:11,614 INFO L451 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: true [2018-11-28 17:49:11,615 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-11-28 17:49:11,615 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2018-11-28 17:49:11,615 INFO L451 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: true [2018-11-28 17:49:11,615 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-11-28 17:49:11,615 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-11-28 17:49:11,615 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 22 130) no Hoare annotation was computed. [2018-11-28 17:49:11,616 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-28 17:49:11,618 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-11-28 17:49:11,618 INFO L451 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: true [2018-11-28 17:49:11,618 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-11-28 17:49:11,618 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-11-28 17:49:11,619 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-11-28 17:49:11,619 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-11-28 17:49:11,619 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-11-28 17:49:11,620 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-28 17:49:11,620 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 18) the Hoare annotation is: true [2018-11-28 17:49:11,620 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 18) no Hoare annotation was computed. [2018-11-28 17:49:11,620 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 18) no Hoare annotation was computed. [2018-11-28 17:49:11,620 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-11-28 17:49:11,620 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 225) no Hoare annotation was computed. [2018-11-28 17:49:11,621 INFO L448 ceAbstractionStarter]: For program point L209-2(lines 163 230) no Hoare annotation was computed. [2018-11-28 17:49:11,621 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 198) no Hoare annotation was computed. [2018-11-28 17:49:11,622 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 186) no Hoare annotation was computed. [2018-11-28 17:49:11,622 INFO L448 ceAbstractionStarter]: For program point L214-1(lines 214 219) no Hoare annotation was computed. [2018-11-28 17:49:11,622 INFO L451 ceAbstractionStarter]: At program point L214-2(lines 214 219) the Hoare annotation is: true [2018-11-28 17:49:11,622 INFO L448 ceAbstractionStarter]: For program point L214-3(lines 214 219) no Hoare annotation was computed. [2018-11-28 17:49:11,622 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinEXIT(lines 163 230) no Hoare annotation was computed. [2018-11-28 17:49:11,622 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 178) no Hoare annotation was computed. [2018-11-28 17:49:11,624 INFO L451 ceAbstractionStarter]: At program point L174-2(lines 174 178) the Hoare annotation is: true [2018-11-28 17:49:11,624 INFO L448 ceAbstractionStarter]: For program point L174-3(lines 172 183) no Hoare annotation was computed. [2018-11-28 17:49:11,624 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2018-11-28 17:49:11,624 INFO L451 ceAbstractionStarter]: At program point L166-2(lines 166 170) the Hoare annotation is: true [2018-11-28 17:49:11,624 INFO L448 ceAbstractionStarter]: For program point L166-3(lines 166 170) no Hoare annotation was computed. [2018-11-28 17:49:11,625 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinENTRY(lines 163 230) the Hoare annotation is: true [2018-11-28 17:49:11,625 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinFINAL(lines 163 230) no Hoare annotation was computed. [2018-11-28 17:49:11,625 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 198) no Hoare annotation was computed. [2018-11-28 17:49:11,625 INFO L451 ceAbstractionStarter]: At program point L183-1(lines 183 198) the Hoare annotation is: true [2018-11-28 17:49:11,625 INFO L451 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: true [2018-11-28 17:49:11,625 INFO L448 ceAbstractionStarter]: For program point L208-1(line 208) no Hoare annotation was computed. [2018-11-28 17:49:11,626 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-28 17:49:11,626 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:49:11,626 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:49:11,626 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:49:11,626 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:49:11,626 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 17:49:11,626 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:49:11,627 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:49:11,627 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 232 254) the Hoare annotation is: true [2018-11-28 17:49:11,627 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 232 254) no Hoare annotation was computed. [2018-11-28 17:49:11,627 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-28 17:49:11,627 INFO L444 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: false [2018-11-28 17:49:11,627 INFO L448 ceAbstractionStarter]: For program point L247-1(lines 247 250) no Hoare annotation was computed. [2018-11-28 17:49:11,628 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 248) no Hoare annotation was computed. [2018-11-28 17:49:11,628 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: false [2018-11-28 17:49:11,628 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-28 17:49:11,628 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 251) no Hoare annotation was computed. [2018-11-28 17:49:11,628 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 251) no Hoare annotation was computed. [2018-11-28 17:49:11,628 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 232 254) no Hoare annotation was computed. [2018-11-28 17:49:11,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:49:11 BoogieIcfgContainer [2018-11-28 17:49:11,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:49:11,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:49:11,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:49:11,641 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:49:11,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:49:10" (3/4) ... [2018-11-28 17:49:11,647 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:49:11,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-11-28 17:49:11,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-11-28 17:49:11,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-28 17:49:11,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asin [2018-11-28 17:49:11,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:49:11,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:49:11,671 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-11-28 17:49:11,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 17:49:11,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 17:49:11,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 17:49:11,773 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:49:11,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:49:11,777 INFO L168 Benchmark]: Toolchain (without parser) took 22170.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -59.9 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:49:11,780 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:49:11,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.18 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:49:11,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -183.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-28 17:49:11,781 INFO L168 Benchmark]: Boogie Preprocessor took 84.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:49:11,783 INFO L168 Benchmark]: RCFGBuilder took 19919.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-11-28 17:49:11,783 INFO L168 Benchmark]: TraceAbstraction took 1321.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-11-28 17:49:11,784 INFO L168 Benchmark]: Witness Printer took 134.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:49:11,787 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 600.18 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -183.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 19919.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1321.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Witness Printer took 134.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 248]: 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: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 93 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred 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: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 22 NumberOfFragments, 22 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...