./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:49:40,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:49:40,376 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:49:40,384 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:49:40,384 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:49:40,385 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:49:40,386 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:49:40,387 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:49:40,388 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:49:40,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:49:40,389 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:49:40,389 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:49:40,390 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:49:40,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:49:40,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:49:40,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:49:40,391 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:49:40,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:49:40,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:49:40,394 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:49:40,395 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:49:40,396 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:49:40,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:49:40,398 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:49:40,398 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:49:40,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:49:40,399 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:49:40,399 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:49:40,400 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:49:40,400 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:49:40,401 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:49:40,401 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:49:40,401 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:49:40,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:49:40,402 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:49:40,403 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:49:40,403 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:49:40,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:49:40,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:49:40,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:49:40,412 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:49:40,412 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:49:40,412 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:49:40,412 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:49:40,412 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:49:40,412 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:49:40,413 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:49:40,413 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:49:40,413 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:49:40,413 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:49:40,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:49:40,414 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:49:40,414 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:49:40,414 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:49:40,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:49:40,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:49:40,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:49:40,414 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:49:40,414 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:49:40,415 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:49:40,415 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:49:40,415 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:49:40,415 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:49:40,415 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:49:40,415 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:49:40,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:49:40,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:49:40,416 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:49:40,416 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:49:40,416 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:49:40,416 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:49:40,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:49:40,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:49:40,417 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:49:40,417 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan 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 -> Taipan 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 -> c6b275d471d235c565842a02c594b024c1203d73 [2018-11-18 10:49:40,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:49:40,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:49:40,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:49:40,453 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:49:40,453 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:49:40,453 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-11-18 10:49:40,497 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data/2a82f1694/e022b1ca75ca4851bd29a377ffe2ad58/FLAG5aec58189 [2018-11-18 10:49:40,902 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:49:40,902 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-11-18 10:49:40,907 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data/2a82f1694/e022b1ca75ca4851bd29a377ffe2ad58/FLAG5aec58189 [2018-11-18 10:49:40,916 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data/2a82f1694/e022b1ca75ca4851bd29a377ffe2ad58 [2018-11-18 10:49:40,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:49:40,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:49:40,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:40,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:49:40,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:49:40,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:40" (1/1) ... [2018-11-18 10:49:40,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b3a0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:40, skipping insertion in model container [2018-11-18 10:49:40,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:40" (1/1) ... [2018-11-18 10:49:40,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:49:40,947 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:49:41,088 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:49:41,095 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:49:41,132 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:49:41,189 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:49:41,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41 WrapperNode [2018-11-18 10:49:41,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:41,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:49:41,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:49:41,190 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:49:41,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:49:41,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:49:41,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:49:41,208 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:49:41,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... [2018-11-18 10:49:41,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:49:41,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:49:41,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:49:41,244 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:49:41,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/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 [2018-11-18 10:49:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-11-18 10:49:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-11-18 10:49:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:49:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:49:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 10:49:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 10:49:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:49:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 10:49:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 10:49:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:49:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:49:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 10:49:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 10:49:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 10:49:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:49:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:49:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:49:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:49:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-18 10:49:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-18 10:49:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:49:41,716 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:49:41,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:41 BoogieIcfgContainer [2018-11-18 10:49:41,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:49:41,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:49:41,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:49:41,720 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:49:41,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:49:40" (1/3) ... [2018-11-18 10:49:41,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456529d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:49:41, skipping insertion in model container [2018-11-18 10:49:41,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:41" (2/3) ... [2018-11-18 10:49:41,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456529d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:49:41, skipping insertion in model container [2018-11-18 10:49:41,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:41" (3/3) ... [2018-11-18 10:49:41,723 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670_true-unreach-call.c [2018-11-18 10:49:41,731 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:49:41,737 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:49:41,750 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:49:41,777 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:49:41,777 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:49:41,777 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:49:41,778 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:49:41,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:49:41,778 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:49:41,778 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:49:41,778 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:49:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2018-11-18 10:49:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:49:41,797 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:49:41,798 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:49:41,800 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:49:41,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:49:41,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2078651258, now seen corresponding path program 1 times [2018-11-18 10:49:41,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:49:41,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:49:41,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:49:41,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:49:41,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:49:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:49:41,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:49:41,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:49:41,932 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:49:41,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:49:41,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:49:41,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:49:41,945 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2018-11-18 10:49:41,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:49:41,969 INFO L93 Difference]: Finished difference Result 208 states and 324 transitions. [2018-11-18 10:49:41,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:49:41,970 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2018-11-18 10:49:41,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:49:41,978 INFO L225 Difference]: With dead ends: 208 [2018-11-18 10:49:41,978 INFO L226 Difference]: Without dead ends: 106 [2018-11-18 10:49:41,981 INFO L604 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 [2018-11-18 10:49:41,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-18 10:49:42,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-18 10:49:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 10:49:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2018-11-18 10:49:42,013 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 30 [2018-11-18 10:49:42,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:49:42,015 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2018-11-18 10:49:42,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:49:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2018-11-18 10:49:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:49:42,017 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:49:42,017 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:49:42,018 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:49:42,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:49:42,018 INFO L82 PathProgramCache]: Analyzing trace with hash 450587708, now seen corresponding path program 1 times [2018-11-18 10:49:42,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:49:42,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:49:42,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:49:42,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:49:42,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:49:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:49:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:49:42,119 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 10:49:42,145 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-18 10:49:42,146 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450955 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-18 10:49:42,146 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450974 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-18 10:49:42,146 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450949 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-18 10:49:42,147 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-18 10:49:42,147 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-18 10:49:42,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:49:42 BoogieIcfgContainer [2018-11-18 10:49:42,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:49:42,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:49:42,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:49:42,158 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:49:42,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:41" (3/4) ... [2018-11-18 10:49:42,160 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 10:49:42,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:49:42,161 INFO L168 Benchmark]: Toolchain (without parser) took 1243.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -95.8 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:42,162 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:49:42,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 958.2 MB in the beginning and 1.2 GB in the end (delta: -196.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:42,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:42,163 INFO L168 Benchmark]: Boogie Preprocessor took 35.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:42,163 INFO L168 Benchmark]: RCFGBuilder took 473.29 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: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:42,164 INFO L168 Benchmark]: TraceAbstraction took 440.35 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:42,164 INFO L168 Benchmark]: Witness Printer took 2.89 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. [2018-11-18 10:49:42,166 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 958.2 MB in the beginning and 1.2 GB in the end (delta: -196.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 473.29 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: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 440.35 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450955 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450974 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450949 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 138. Possible FailurePath: [L30-L35] FCALL static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L37-L42] FCALL static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L44-L48] FCALL static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L50-L52] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L118-L119] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450970, \old(one_atan)=6442450960, \old(pi)=6442450966, \old(pi_lo_atan2)=6442450957, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450963, \old(tiny_atan2)=6442450972, \old(zero_atan2)=6442450952, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float x = __VERIFIER_nondet_float(); [L225] float y = __VERIFIER_nondet_float(); [L227] CALL, EXPR isnan_float(x) VAL [\old(x)=6442450964, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L13] RET return x != x; VAL [\old(x)=6442450964, \result=1, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, zero_atan2=0] [L227] EXPR isnan_float(x) VAL [aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, isnan_float(x)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L227] isnan_float(x) || isnan_float(y) VAL [aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, isnan_float(x)=1, isnan_float(x) || isnan_float(y)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L227] COND TRUE isnan_float(x) || isnan_float(y) [L230] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=6442450964, \old(y)=6442450971, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L122] float z; [L123] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=6442450964, \old(y)=6442450971, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L126] FCALL ieee_float_shape_type gf_u; [L127] FCALL gf_u.value = (x) [L128] EXPR, FCALL gf_u.word [L128] (hx) = gf_u.word [L129] COND FALSE !(0) VAL [\old(x)=6442450964, \old(y)=6442450971, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L130] ix = hx & 0x7fffffff VAL [\old(x)=6442450964, \old(y)=6442450971, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L132] FCALL ieee_float_shape_type gf_u; [L133] FCALL gf_u.value = (y) [L134] EXPR, FCALL gf_u.word [L134] (hy) = gf_u.word [L135] COND FALSE !(0) VAL [\old(x)=6442450964, \old(y)=6442450971, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L136] iy = hy & 0x7fffffff VAL [\old(x)=6442450964, \old(y)=6442450971, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L137] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L138] RET return x + y; VAL [\old(x)=6442450964, \old(y)=6442450971, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, hy=-2147483648, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L230] EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=6442450948, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L230] float res = __ieee754_atan2f(y, x); [L233] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L13] RET return x != x; VAL [\old(x)=6442450948, \result=0, aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450948, zero_atan2=0] [L233] EXPR isnan_float(res) VAL [aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, isnan_float(res)=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450948, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] [L233] COND TRUE !isnan_float(res) [L234] __VERIFIER_error() VAL [aT_atan={6442450954:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450948, tiny_atan2=1/1000000000000000000000000000000, x=6442450964, y=6442450971, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 111 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 154 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=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 10:49:43,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:49:43,602 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:49:43,609 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:49:43,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:49:43,610 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:49:43,611 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:49:43,612 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:49:43,613 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:49:43,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:49:43,614 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:49:43,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:49:43,615 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:49:43,615 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:49:43,616 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:49:43,617 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:49:43,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:49:43,618 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:49:43,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:49:43,621 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:49:43,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:49:43,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:49:43,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:49:43,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:49:43,624 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:49:43,625 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:49:43,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:49:43,626 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:49:43,627 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:49:43,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:49:43,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:49:43,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:49:43,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:49:43,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:49:43,629 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:49:43,629 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:49:43,630 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 10:49:43,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:49:43,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:49:43,640 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:49:43,640 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:49:43,640 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:49:43,641 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:49:43,641 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:49:43,641 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:49:43,641 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:49:43,641 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:49:43,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:49:43,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:49:43,642 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:49:43,642 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:49:43,642 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:49:43,642 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:49:43,642 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:49:43,643 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:49:43,643 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:49:43,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:49:43,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:49:43,643 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:49:43,643 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:49:43,643 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:49:43,644 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:49:43,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:49:43,644 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:49:43,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:49:43,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:49:43,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:49:43,644 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:49:43,644 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 10:49:43,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:49:43,645 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:49:43,645 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:49:43,645 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan 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 -> Taipan 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 -> c6b275d471d235c565842a02c594b024c1203d73 [2018-11-18 10:49:43,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:49:43,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:49:43,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:49:43,683 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:49:43,684 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:49:43,684 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-11-18 10:49:43,718 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data/8ea9f041b/8a509aac840d4540b81310fdd71785b2/FLAG4ff0a0d22 [2018-11-18 10:49:44,121 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:49:44,122 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-11-18 10:49:44,127 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data/8ea9f041b/8a509aac840d4540b81310fdd71785b2/FLAG4ff0a0d22 [2018-11-18 10:49:44,135 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/data/8ea9f041b/8a509aac840d4540b81310fdd71785b2 [2018-11-18 10:49:44,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:49:44,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:49:44,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:44,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:49:44,141 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:49:44,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d90de4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44, skipping insertion in model container [2018-11-18 10:49:44,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:49:44,168 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:49:44,325 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:49:44,334 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:49:44,377 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:49:44,398 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:49:44,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44 WrapperNode [2018-11-18 10:49:44,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:44,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:49:44,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:49:44,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:49:44,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:49:44,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:49:44,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:49:44,462 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:49:44,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... [2018-11-18 10:49:44,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:49:44,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:49:44,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:49:44,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:49:44,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/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 [2018-11-18 10:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-11-18 10:49:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-11-18 10:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:49:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 10:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 10:49:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 10:49:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:49:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:49:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 10:49:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 10:49:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:49:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 10:49:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 10:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:49:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 10:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-18 10:49:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-18 10:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 10:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:49:44,703 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:49:45,903 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:49:45,930 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:49:48,918 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:49:54,094 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:49:54,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:54 BoogieIcfgContainer [2018-11-18 10:49:54,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:49:54,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:49:54,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:49:54,097 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:49:54,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:49:44" (1/3) ... [2018-11-18 10:49:54,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcb1fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:49:54, skipping insertion in model container [2018-11-18 10:49:54,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:44" (2/3) ... [2018-11-18 10:49:54,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcb1fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:49:54, skipping insertion in model container [2018-11-18 10:49:54,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:54" (3/3) ... [2018-11-18 10:49:54,099 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670_true-unreach-call.c [2018-11-18 10:49:54,105 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:49:54,110 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:49:54,119 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:49:54,138 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:49:54,139 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:49:54,139 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:49:54,139 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:49:54,139 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:49:54,139 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:49:54,139 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:49:54,139 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:49:54,139 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:49:54,152 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-11-18 10:49:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:49:54,156 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:49:54,157 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:49:54,159 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:49:54,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:49:54,162 INFO L82 PathProgramCache]: Analyzing trace with hash 723704690, now seen corresponding path program 1 times [2018-11-18 10:49:54,165 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:49:54,165 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/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 [2018-11-18 10:49:54,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:49:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:54,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:49:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:49:54,338 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:49:54,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:49:54,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:49:54,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:49:54,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:49:54,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:49:54,367 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2018-11-18 10:49:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:49:54,393 INFO L93 Difference]: Finished difference Result 206 states and 322 transitions. [2018-11-18 10:49:54,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:49:54,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-11-18 10:49:54,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:49:54,404 INFO L225 Difference]: With dead ends: 206 [2018-11-18 10:49:54,404 INFO L226 Difference]: Without dead ends: 105 [2018-11-18 10:49:54,407 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:49:54,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-18 10:49:54,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-18 10:49:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 10:49:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 147 transitions. [2018-11-18 10:49:54,439 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 147 transitions. Word has length 29 [2018-11-18 10:49:54,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:49:54,440 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 147 transitions. [2018-11-18 10:49:54,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:49:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2018-11-18 10:49:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:49:54,442 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:49:54,442 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:49:54,442 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:49:54,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:49:54,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1107363068, now seen corresponding path program 1 times [2018-11-18 10:49:54,443 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:49:54,443 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 10:49:54,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:49:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:54,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:49:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:49:57,515 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:49:57,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:49:57,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 10:49:57,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:49:57,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:49:57,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:49:57,530 INFO L87 Difference]: Start difference. First operand 105 states and 147 transitions. Second operand 11 states. [2018-11-18 10:50:00,034 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 10:50:19,053 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 10:50:20,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:50:20,634 INFO L93 Difference]: Finished difference Result 119 states and 163 transitions. [2018-11-18 10:50:20,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 10:50:20,634 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-11-18 10:50:20,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:50:20,636 INFO L225 Difference]: With dead ends: 119 [2018-11-18 10:50:20,636 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 10:50:20,637 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-11-18 10:50:20,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 10:50:20,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2018-11-18 10:50:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-18 10:50:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 152 transitions. [2018-11-18 10:50:20,646 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 152 transitions. Word has length 31 [2018-11-18 10:50:20,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:50:20,646 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 152 transitions. [2018-11-18 10:50:20,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:50:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2018-11-18 10:50:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:50:20,647 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:50:20,648 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:50:20,648 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:50:20,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:50:20,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1100366725, now seen corresponding path program 1 times [2018-11-18 10:50:20,648 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:50:20,649 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 10:50:20,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:50:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:50:20,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:50:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:50:23,065 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:50:23,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:50:23,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 10:50:23,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:50:23,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:50:23,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:50:23,075 INFO L87 Difference]: Start difference. First operand 109 states and 152 transitions. Second operand 11 states. [2018-11-18 10:50:26,958 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 10:50:46,053 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 10:50:46,906 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 10:50:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:50:46,948 INFO L93 Difference]: Finished difference Result 121 states and 165 transitions. [2018-11-18 10:50:46,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 10:50:46,949 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2018-11-18 10:50:46,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:50:46,950 INFO L225 Difference]: With dead ends: 121 [2018-11-18 10:50:46,950 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 10:50:46,953 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=41, Invalid=198, Unknown=1, NotChecked=0, Total=240 [2018-11-18 10:50:46,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 10:50:46,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2018-11-18 10:50:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-18 10:50:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 151 transitions. [2018-11-18 10:50:46,961 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 151 transitions. Word has length 36 [2018-11-18 10:50:46,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:50:46,961 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 151 transitions. [2018-11-18 10:50:46,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:50:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 151 transitions. [2018-11-18 10:50:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:50:46,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:50:46,963 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:50:46,963 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:50:46,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:50:46,963 INFO L82 PathProgramCache]: Analyzing trace with hash -644162061, now seen corresponding path program 1 times [2018-11-18 10:50:46,964 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:50:46,964 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 10:50:46,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:50:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:50:47,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:50:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:50:47,269 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:50:47,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:50:47,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:50:47,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:50:47,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:50:47,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:50:47,280 INFO L87 Difference]: Start difference. First operand 109 states and 151 transitions. Second operand 10 states. [2018-11-18 10:50:48,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:50:48,174 INFO L93 Difference]: Finished difference Result 124 states and 166 transitions. [2018-11-18 10:50:48,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 10:50:48,174 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-11-18 10:50:48,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:50:48,176 INFO L225 Difference]: With dead ends: 124 [2018-11-18 10:50:48,176 INFO L226 Difference]: Without dead ends: 116 [2018-11-18 10:50:48,176 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-11-18 10:50:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-18 10:50:48,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 111. [2018-11-18 10:50:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 10:50:48,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 153 transitions. [2018-11-18 10:50:48,185 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 153 transitions. Word has length 36 [2018-11-18 10:50:48,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:50:48,186 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 153 transitions. [2018-11-18 10:50:48,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:50:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 153 transitions. [2018-11-18 10:50:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:50:48,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:50:48,187 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:50:48,188 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:50:48,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:50:48,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1807686965, now seen corresponding path program 1 times [2018-11-18 10:50:48,188 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:50:48,189 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 10:50:48,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:50:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:50:48,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:50:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:50:48,501 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:50:48,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:50:48,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:50:48,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:50:48,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:50:48,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:50:48,511 INFO L87 Difference]: Start difference. First operand 111 states and 153 transitions. Second operand 10 states. [2018-11-18 10:50:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:50:49,172 INFO L93 Difference]: Finished difference Result 119 states and 160 transitions. [2018-11-18 10:50:49,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 10:50:49,173 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-11-18 10:50:49,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:50:49,174 INFO L225 Difference]: With dead ends: 119 [2018-11-18 10:50:49,174 INFO L226 Difference]: Without dead ends: 107 [2018-11-18 10:50:49,175 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-11-18 10:50:49,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-18 10:50:49,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2018-11-18 10:50:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 10:50:49,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2018-11-18 10:50:49,183 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 36 [2018-11-18 10:50:49,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:50:49,183 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2018-11-18 10:50:49,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:50:49,183 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2018-11-18 10:50:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 10:50:49,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:50:49,184 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:50:49,184 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:50:49,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:50:49,184 INFO L82 PathProgramCache]: Analyzing trace with hash 90459402, now seen corresponding path program 1 times [2018-11-18 10:50:49,184 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:50:49,184 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 10:50:49,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:50:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:50:49,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:50:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:50:49,505 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:50:49,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:50:49,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:50:49,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:50:49,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:50:49,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:50:49,519 INFO L87 Difference]: Start difference. First operand 105 states and 144 transitions. Second operand 10 states. [2018-11-18 10:50:50,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:50:50,405 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2018-11-18 10:50:50,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 10:50:50,406 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2018-11-18 10:50:50,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:50:50,407 INFO L225 Difference]: With dead ends: 108 [2018-11-18 10:50:50,407 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:50:50,408 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:50:50,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:50:50,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:50:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:50:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:50:50,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-11-18 10:50:50,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:50:50,409 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:50:50,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:50:50,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:50:50,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:50:50,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:50:50,589 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-18 10:50:50,712 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-18 10:50:51,204 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-18 10:50:51,226 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-18 10:50:51,226 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-18 10:50:51,226 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-18 10:50:51,226 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:50:51,226 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:50:51,226 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:50:51,226 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 181) no Hoare annotation was computed. [2018-11-18 10:50:51,227 INFO L425 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2018-11-18 10:50:51,227 INFO L425 ceAbstractionStarter]: For program point __ieee754_atan2fEXIT(lines 121 216) no Hoare annotation was computed. [2018-11-18 10:50:51,227 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 153) no Hoare annotation was computed. [2018-11-18 10:50:51,227 INFO L425 ceAbstractionStarter]: For program point L143-2(lines 121 216) no Hoare annotation was computed. [2018-11-18 10:50:51,227 INFO L421 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-11-18 10:50:51,227 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 169) no Hoare annotation was computed. [2018-11-18 10:50:51,227 INFO L421 ceAbstractionStarter]: At program point L193-1(line 193) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L193-2(line 193) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L185-2(line 185) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 152) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 215) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L137(lines 137 138) no Hoare annotation was computed. [2018-11-18 10:50:51,228 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L171(lines 171 180) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L204-2(lines 197 209) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 193) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 140) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-11-18 10:50:51,229 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 131 135) no Hoare annotation was computed. [2018-11-18 10:50:51,230 INFO L421 ceAbstractionStarter]: At program point L131-3(lines 131 135) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-11-18 10:50:51,230 INFO L425 ceAbstractionStarter]: For program point L131-4(lines 131 135) no Hoare annotation was computed. [2018-11-18 10:50:51,230 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 10:50:51,230 INFO L425 ceAbstractionStarter]: For program point L156-2(line 156) no Hoare annotation was computed. [2018-11-18 10:50:51,230 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 10:50:51,230 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-11-18 10:50:51,230 INFO L425 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-11-18 10:50:51,230 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 10:50:51,230 INFO L425 ceAbstractionStarter]: For program point L190(lines 190 193) no Hoare annotation was computed. [2018-11-18 10:50:51,231 INFO L425 ceAbstractionStarter]: For program point L190-2(lines 188 193) no Hoare annotation was computed. [2018-11-18 10:50:51,231 INFO L425 ceAbstractionStarter]: For program point __ieee754_atan2fFINAL(lines 121 216) no Hoare annotation was computed. [2018-11-18 10:50:51,231 INFO L428 ceAbstractionStarter]: At program point __ieee754_atan2fENTRY(lines 121 216) the Hoare annotation is: true [2018-11-18 10:50:51,231 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 10:50:51,231 INFO L425 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-11-18 10:50:51,231 INFO L421 ceAbstractionStarter]: At program point L199-3(lines 199 203) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-11-18 10:50:51,231 INFO L425 ceAbstractionStarter]: For program point L158(lines 158 182) no Hoare annotation was computed. [2018-11-18 10:50:51,231 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 121 216) no Hoare annotation was computed. [2018-11-18 10:50:51,231 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-11-18 10:50:51,231 INFO L421 ceAbstractionStarter]: At program point L125-3(lines 125 129) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y)) [2018-11-18 10:50:51,231 INFO L425 ceAbstractionStarter]: For program point L125-4(lines 125 129) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 15 28) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L428 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: true [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 15 28) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 15 28) the Hoare annotation is: true [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 26) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point L22-2(lines 15 28) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:50:51,232 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 10:50:51,233 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:50:51,233 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:50:51,233 INFO L425 ceAbstractionStarter]: For program point L227-2(line 227) no Hoare annotation was computed. [2018-11-18 10:50:51,233 INFO L421 ceAbstractionStarter]: At program point L227-4(line 227) the Hoare annotation is: (let ((.cse0 (fp.eq main_~x~0 main_~x~0))) (let ((.cse1 (not .cse0))) (and (or (and (not |main_#t~short46|) .cse0) (and .cse1 |main_#t~short46|)) (or (and .cse0 (= |main_#t~ret44| (_ bv0 32))) (and (= (bvadd |main_#t~ret44| (_ bv4294967295 32)) (_ bv0 32)) .cse1))))) [2018-11-18 10:50:51,233 INFO L425 ceAbstractionStarter]: For program point L227-5(line 227) no Hoare annotation was computed. [2018-11-18 10:50:51,233 INFO L425 ceAbstractionStarter]: For program point L227-6(lines 227 237) no Hoare annotation was computed. [2018-11-18 10:50:51,233 INFO L425 ceAbstractionStarter]: For program point L227-8(lines 227 237) no Hoare annotation was computed. [2018-11-18 10:50:51,233 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 218 240) no Hoare annotation was computed. [2018-11-18 10:50:51,233 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 218 240) no Hoare annotation was computed. [2018-11-18 10:50:51,233 INFO L425 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-11-18 10:50:51,233 INFO L421 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (or (not (fp.eq main_~y~0 main_~y~0)) (not (fp.eq main_~x~0 main_~x~0))) [2018-11-18 10:50:51,234 INFO L425 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-11-18 10:50:51,234 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 218 240) the Hoare annotation is: true [2018-11-18 10:50:51,234 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2018-11-18 10:50:51,234 INFO L421 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (and (exists ((main_~x~0 (_ FloatingPoint 8 24)) (__ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= main_~res~0 (fp.add roundNearestTiesToEven main_~x~0 __ieee754_atan2f_~y)) (not (fp.eq main_~x~0 main_~x~0)))) (not (fp.eq main_~x~0 main_~x~0))) (and (exists ((main_~y~0 (_ FloatingPoint 8 24)) (__ieee754_atan2f_~x (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven __ieee754_atan2f_~x main_~y~0) main_~res~0) (not (fp.eq main_~y~0 main_~y~0)))) (not (fp.eq main_~y~0 main_~y~0)))) [2018-11-18 10:50:51,234 INFO L425 ceAbstractionStarter]: For program point L233-1(lines 233 236) no Hoare annotation was computed. [2018-11-18 10:50:51,234 INFO L428 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: true [2018-11-18 10:50:51,234 INFO L425 ceAbstractionStarter]: For program point L227-1(line 227) no Hoare annotation was computed. [2018-11-18 10:50:51,234 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 71) no Hoare annotation was computed. [2018-11-18 10:50:51,234 INFO L428 ceAbstractionStarter]: At program point atan_floatENTRY(lines 54 116) the Hoare annotation is: true [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point atan_floatFINAL(lines 54 116) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 95) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 72 97) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L81(lines 81 87) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L114-2(line 114) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 76) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L73-2(lines 73 76) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 66) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 58 62) no Hoare annotation was computed. [2018-11-18 10:50:51,235 INFO L428 ceAbstractionStarter]: At program point L58-3(lines 58 62) the Hoare annotation is: true [2018-11-18 10:50:51,236 INFO L425 ceAbstractionStarter]: For program point L58-4(lines 58 62) no Hoare annotation was computed. [2018-11-18 10:50:51,236 INFO L428 ceAbstractionStarter]: At program point L79(line 79) the Hoare annotation is: true [2018-11-18 10:50:51,236 INFO L425 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-11-18 10:50:51,236 INFO L425 ceAbstractionStarter]: For program point L67(lines 67 70) no Hoare annotation was computed. [2018-11-18 10:50:51,236 INFO L425 ceAbstractionStarter]: For program point atan_floatEXIT(lines 54 116) no Hoare annotation was computed. [2018-11-18 10:50:51,236 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 96) no Hoare annotation was computed. [2018-11-18 10:50:51,236 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 97) no Hoare annotation was computed. [2018-11-18 10:50:51,240 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:50:51 BoogieIcfgContainer [2018-11-18 10:50:51,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:50:51,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:50:51,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:50:51,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:50:51,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:54" (3/4) ... [2018-11-18 10:50:51,259 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:50:51,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-18 10:50:51,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:50:51,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2f [2018-11-18 10:50:51,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 10:50:51,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:50:51,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-11-18 10:50:51,270 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-11-18 10:50:51,271 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-18 10:50:51,271 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:50:51,271 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:50:51,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && \old(y) == y [2018-11-18 10:50:51,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-11-18 10:50:51,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1), 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0), 2139095040bv32) && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0) == iy && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && \old(y) == ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0])) && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-11-18 10:50:51,324 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_99ab3c70-5ff1-488c-ba0c-c69ff5f2b742/bin-2019/utaipan/witness.graphml [2018-11-18 10:50:51,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:50:51,325 INFO L168 Benchmark]: Toolchain (without parser) took 67187.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -46.8 MB). Peak memory consumption was 146.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:50:51,326 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:50:51,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.66 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 930.4 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:50:51,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:50:51,327 INFO L168 Benchmark]: Boogie Preprocessor took 44.06 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. [2018-11-18 10:50:51,327 INFO L168 Benchmark]: RCFGBuilder took 9588.65 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: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:50:51,327 INFO L168 Benchmark]: TraceAbstraction took 57160.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.4 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:50:51,327 INFO L168 Benchmark]: Witness Printer took 68.48 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:50:51,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.66 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 930.4 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.06 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 9588.65 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: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 57160.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.4 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.48 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 199]: Loop Invariant [2018-11-18 10:50:51,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 10:50:51,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((((((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1), 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0), 2139095040bv32) && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0) == iy && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && \old(y) == ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0])) && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 131]: Loop Invariant [2018-11-18 10:50:51,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,342 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,342 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,342 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,342 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,342 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,342 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 10:50:51,343 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: \old(x) == x && \old(y) == y - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 110 locations, 1 error locations. SAFE Result, 57.1s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 49.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 804 SDtfs, 937 SDslu, 4500 SDs, 0 SdLazy, 743 SolverSat, 46 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 40.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, 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, 6 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 50 PreInvPairs, 71 NumberOfFragments, 491 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 203 ConstructedInterpolants, 38 QuantifiedInterpolants, 43344 SizeOfPredicates, 35 NumberOfNonLiveVariables, 894 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 30/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...