./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 8015c985f157600a44233f2d61865f454dda9bb9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 8015c985f157600a44233f2d61865f454dda9bb9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:24:53,894 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:24:53,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:24:53,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:24:53,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:24:53,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:24:53,904 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:24:53,905 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:24:53,906 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:24:53,907 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:24:53,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:24:53,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:24:53,908 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:24:53,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:24:53,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:24:53,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:24:53,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:24:53,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:24:53,913 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:24:53,914 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:24:53,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:24:53,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:24:53,917 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:24:53,917 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:24:53,917 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:24:53,918 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:24:53,918 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:24:53,919 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:24:53,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:24:53,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:24:53,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:24:53,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:24:53,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:24:53,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:24:53,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:24:53,921 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:24:53,921 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:24:53,929 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:24:53,929 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:24:53,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:24:53,930 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:24:53,930 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:24:53,930 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:24:53,931 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:24:53,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:24:53,931 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:24:53,931 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:24:53,931 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:24:53,931 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:24:53,931 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:24:53,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:24:53,932 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:24:53,932 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:24:53,932 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:24:53,932 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:24:53,932 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:24:53,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:24:53,933 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:24:53,933 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:24:53,933 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:24:53,933 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:24:53,933 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:24:53,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:24:53,934 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:24:53,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:24:53,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:24:53,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:24:53,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:24:53,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:24:53,934 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:24:53,935 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:24:53,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:24:53,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:24:53,935 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:24:53,935 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_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 -> 8015c985f157600a44233f2d61865f454dda9bb9 [2018-11-23 15:24:53,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:24:53,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:24:53,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:24:53,974 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:24:53,974 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:24:53,975 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-11-23 15:24:54,019 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data/6e7f5f843/af755ea11c2b4c6b8a767f1ff3d40538/FLAG0ecf70b60 [2018-11-23 15:24:54,419 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:24:54,420 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-11-23 15:24:54,424 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data/6e7f5f843/af755ea11c2b4c6b8a767f1ff3d40538/FLAG0ecf70b60 [2018-11-23 15:24:54,434 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data/6e7f5f843/af755ea11c2b4c6b8a767f1ff3d40538 [2018-11-23 15:24:54,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:24:54,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:24:54,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:24:54,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:24:54,439 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:24:54,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0aac63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54, skipping insertion in model container [2018-11-23 15:24:54,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:24:54,465 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:24:54,607 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:24:54,610 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:24:54,637 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:24:54,649 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:24:54,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54 WrapperNode [2018-11-23 15:24:54,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:24:54,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:24:54,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:24:54,650 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:24:54,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:24:54,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:24:54,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:24:54,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:24:54,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... [2018-11-23 15:24:54,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:24:54,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:24:54,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:24:54,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:24:54,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 [2018-11-23 15:24:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-11-23 15:24:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-11-23 15:24:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:24:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:24:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 15:24:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 15:24:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:24:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:24:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 15:24:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:24:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:24:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:24:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 15:24:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 15:24:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 15:24:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:24:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 15:24:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 15:24:55,093 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:24:55,093 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 15:24:55,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:55 BoogieIcfgContainer [2018-11-23 15:24:55,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:24:55,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:24:55,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:24:55,097 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:24:55,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:24:54" (1/3) ... [2018-11-23 15:24:55,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d80bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:24:55, skipping insertion in model container [2018-11-23 15:24:55,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:54" (2/3) ... [2018-11-23 15:24:55,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d80bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:24:55, skipping insertion in model container [2018-11-23 15:24:55,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:55" (3/3) ... [2018-11-23 15:24:55,100 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480_true-unreach-call.c [2018-11-23 15:24:55,109 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:24:55,115 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:24:55,130 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:24:55,157 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:24:55,157 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:24:55,157 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:24:55,157 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:24:55,157 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:24:55,158 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:24:55,158 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:24:55,158 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:24:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-11-23 15:24:55,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 15:24:55,179 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:24:55,180 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:24:55,182 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:24:55,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:24:55,187 INFO L82 PathProgramCache]: Analyzing trace with hash -905917540, now seen corresponding path program 1 times [2018-11-23 15:24:55,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:24:55,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:24:55,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:24:55,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:24:55,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:24:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:24:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:24:55,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:24:55,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:24:55,314 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:24:55,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:24:55,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:24:55,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:24:55,331 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2018-11-23 15:24:55,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:24:55,354 INFO L93 Difference]: Finished difference Result 134 states and 203 transitions. [2018-11-23 15:24:55,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:24:55,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 15:24:55,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:24:55,363 INFO L225 Difference]: With dead ends: 134 [2018-11-23 15:24:55,364 INFO L226 Difference]: Without dead ends: 67 [2018-11-23 15:24:55,366 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:24:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-23 15:24:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-11-23 15:24:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-23 15:24:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2018-11-23 15:24:55,398 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 18 [2018-11-23 15:24:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:24:55,398 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2018-11-23 15:24:55,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:24:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2018-11-23 15:24:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:24:55,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:24:55,399 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:24:55,399 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:24:55,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:24:55,400 INFO L82 PathProgramCache]: Analyzing trace with hash -185682695, now seen corresponding path program 1 times [2018-11-23 15:24:55,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:24:55,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:24:55,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:24:55,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:24:55,401 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:24:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:24:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:24:55,473 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450957, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450957, |old(#NULL.offset)|=6442450945, |old(~one_acos~0)|=6442450960.0, |old(~one_sqrt~0)|=6442450951.0, |old(~pio2_hi_acos~0)|=6442450963.0, |old(~pio2_lo_acos~0)|=6442450950.0, |old(~pi~0)|=6442450954.0, |old(~pS0_acos~0)|=6442450944.0, |old(~pS1_acos~0)|=6442450961.0, |old(~pS2_acos~0)|=6442450962.0, |old(~pS3_acos~0)|=6442450948.0, |old(~pS4_acos~0)|=6442450953.0, |old(~pS5_acos~0)|=6442450964.0, |old(~qS1_acos~0)|=6442450947.0, |old(~qS2_acos~0)|=6442450955.0, |old(~qS3_acos~0)|=6442450958.0, |old(~qS4_acos~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450959.0, ~one_acos~0=6442450960.0, ~one_sqrt~0=6442450951.0, ~pio2_hi_acos~0=6442450963.0, ~pio2_lo_acos~0=6442450950.0, ~pi~0=6442450954.0, ~pS0_acos~0=6442450944.0, ~pS1_acos~0=6442450961.0, ~pS2_acos~0=6442450962.0, ~pS3_acos~0=6442450948.0, ~pS4_acos~0=6442450953.0, ~pS5_acos~0=6442450964.0, ~qS1_acos~0=6442450947.0, ~qS2_acos~0=6442450955.0, ~qS3_acos~0=6442450958.0, ~qS4_acos~0=6442450949.0, ~tiny_sqrt~0=6442450959.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30;~one_acos~0 := 1.0;~pi~0 := 3.1415925026;~pio2_hi_acos~0 := 1.5707962513;~pio2_lo_acos~0 := 7.5497894159E-8;~pS0_acos~0 := 0.16666667163;~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.32556581497);~pS2_acos~0 := 0.20121252537;~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.040055535734);~pS4_acos~0 := 7.9153501429E-4;~pS5_acos~0 := 3.4793309169E-5;~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.4033949375);~qS2_acos~0 := 2.0209457874;~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.68828397989);~qS4_acos~0 := 0.077038154006; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450957, |old(#NULL.offset)|=6442450945, |old(~one_acos~0)|=6442450960.0, |old(~one_sqrt~0)|=6442450951.0, |old(~pio2_hi_acos~0)|=6442450963.0, |old(~pio2_lo_acos~0)|=6442450950.0, |old(~pi~0)|=6442450954.0, |old(~pS0_acos~0)|=6442450944.0, |old(~pS1_acos~0)|=6442450961.0, |old(~pS2_acos~0)|=6442450962.0, |old(~pS3_acos~0)|=6442450948.0, |old(~pS4_acos~0)|=6442450953.0, |old(~pS5_acos~0)|=6442450964.0, |old(~qS1_acos~0)|=6442450947.0, |old(~qS2_acos~0)|=6442450955.0, |old(~qS3_acos~0)|=6442450958.0, |old(~qS4_acos~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450959.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450957, |old(#NULL.offset)|=6442450945, |old(~one_acos~0)|=6442450960.0, |old(~one_sqrt~0)|=6442450951.0, |old(~pio2_hi_acos~0)|=6442450963.0, |old(~pio2_lo_acos~0)|=6442450950.0, |old(~pi~0)|=6442450954.0, |old(~pS0_acos~0)|=6442450944.0, |old(~pS1_acos~0)|=6442450961.0, |old(~pS2_acos~0)|=6442450962.0, |old(~pS3_acos~0)|=6442450948.0, |old(~pS4_acos~0)|=6442450953.0, |old(~pS5_acos~0)|=6442450964.0, |old(~qS1_acos~0)|=6442450947.0, |old(~qS2_acos~0)|=6442450955.0, |old(~qS3_acos~0)|=6442450958.0, |old(~qS4_acos~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450959.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #216#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret18 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x~0 := 1.0; VAL [main_~x~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret15 := __ieee754_acosf(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__ieee754_acosf_#in~x|=1.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;havoc ~z~1;havoc ~p~0;havoc ~q~1;havoc ~r~1;havoc ~w~0;havoc ~s~1;havoc ~c~0;havoc ~df~0;havoc ~hx~1;havoc ~ix~1; VAL [__ieee754_acosf_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_acosf_#in~x|=1.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4);call #t~mem5 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4);~hx~1 := (if #t~mem5 % 4294967296 % 4294967296 <= 2147483647 then #t~mem5 % 4294967296 % 4294967296 else #t~mem5 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4);havoc #t~mem5;havoc #t~union6;call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset);havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [__ieee754_acosf_~hx~1=2147483647, __ieee754_acosf_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_acosf_#in~x|=1.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] goto; VAL [__ieee754_acosf_~hx~1=2147483647, __ieee754_acosf_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_acosf_#in~x|=1.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~ix~1 := ~bitwiseAnd(~hx~1, 2147483647); VAL [__ieee754_acosf_~hx~1=2147483647, __ieee754_acosf_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_acosf_#in~x|=1.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume 1065353216 == ~ix~1; VAL [__ieee754_acosf_~hx~1=2147483647, __ieee754_acosf_~ix~1=1065353216, __ieee754_acosf_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_acosf_#in~x|=1.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume ~hx~1 > 0;#res := 0.0; VAL [__ieee754_acosf_~hx~1=2147483647, __ieee754_acosf_~ix~1=1065353216, __ieee754_acosf_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_acosf_#in~x|=1.0, |__ieee754_acosf_#res|=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [__ieee754_acosf_~hx~1=2147483647, __ieee754_acosf_~ix~1=1065353216, __ieee754_acosf_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_acosf_#in~x|=1.0, |__ieee754_acosf_#res|=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #220#return; VAL [main_~x~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret15|=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~res~0 := #t~ret15;havoc #t~ret15;#t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [main_~res~0=0.0, main_~x~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short17|=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !#t~short17; VAL [main_~res~0=0.0, main_~x~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short17|=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !#t~short17;havoc #t~ret16;havoc #t~short17; VAL [main_~res~0=0.0, main_~x~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !false; VAL [main_~res~0=0.0, main_~x~0=1.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=(/ 15707962513.0 10000000000.0), ~pio2_lo_acos~0=(/ 75497894159.0 1000000000000000000.0), ~pi~0=(/ 15707962513.0 5000000000.0), ~pS0_acos~0=(/ 16666667163.0 100000000000.0), ~pS2_acos~0=(/ 20121252537.0 100000000000.0), ~pS4_acos~0=(/ 79153501429.0 100000000000000.0), ~pS5_acos~0=(/ 34793309169.0 1000000000000000.0), ~qS2_acos~0=(/ 10104728937.0 5000000000.0), ~qS4_acos~0=(/ 38519077003.0 500000000000.0), ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450957, #NULL.offset=6442450945, old(#NULL.base)=6442450957, old(#NULL.offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=6.44245096E9, ~one_sqrt~0=6.442450951E9, ~pio2_hi_acos~0=6.442450963E9, ~pio2_lo_acos~0=6.44245095E9, ~pi~0=6.442450954E9, ~pS0_acos~0=6.442450944E9, ~pS1_acos~0=6.442450961E9, ~pS2_acos~0=6.442450962E9, ~pS3_acos~0=6.442450948E9, ~pS4_acos~0=6.442450953E9, ~pS5_acos~0=6.442450964E9, ~qS1_acos~0=6.442450947E9, ~qS2_acos~0=6.442450955E9, ~qS3_acos~0=6.442450958E9, ~qS4_acos~0=6.442450949E9, ~tiny_sqrt~0=6.442450959E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; [L81-L88] ~one_acos~0 := 1.0; [L81-L88] ~pi~0 := 3.1415925026; [L81-L88] ~pio2_hi_acos~0 := 1.5707962513; [L81-L88] ~pio2_lo_acos~0 := 7.5497894159E-8; [L81-L88] ~pS0_acos~0 := 0.16666667163; [L81-L88] ~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.32556581497); [L81-L88] ~pS2_acos~0 := 0.20121252537; [L81-L88] ~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.040055535734); [L81-L88] ~pS4_acos~0 := 7.9153501429E-4; [L81-L88] ~pS5_acos~0 := 3.4793309169E-5; [L81-L88] ~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.4033949375); [L81-L88] ~qS2_acos~0 := 2.0209457874; [L81-L88] ~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.68828397989); [L81-L88] ~qS4_acos~0 := 0.077038154006; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450957, old(#NULL.offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450957, old(#NULL.offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret18 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L177] ~x~0 := 1.0; VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] CALL call #t~ret15 := __ieee754_acosf(~x~0); VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L90-L157] ~x := #in~x; [L91] havoc ~z~1; [L91] havoc ~p~0; [L91] havoc ~q~1; [L91] havoc ~r~1; [L91] havoc ~w~0; [L91] havoc ~s~1; [L91] havoc ~c~0; [L91] havoc ~df~0; [L92] havoc ~hx~1; [L92] havoc ~ix~1; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L94] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4); [L95] call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L96] call #t~mem5 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4); [L96] ~hx~1 := (if #t~mem5 % 4294967296 % 4294967296 <= 2147483647 then #t~mem5 % 4294967296 % 4294967296 else #t~mem5 % 4294967296 % 4294967296 - 4294967296); [L96] call write~real(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L96] havoc #t~mem5; [L96] havoc #t~union6; [L94] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L94] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L98] ~ix~1 := ~bitwiseAnd(~hx~1, 2147483647); VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L99-L106] assume 1065353216 == ~ix~1; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L100-L103] assume ~hx~1 > 0; [L101] #res := 0.0; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, #res=0.0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L90-L157] ensures true; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, #res=0.0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L178] RET call #t~ret15 := __ieee754_acosf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret15=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] ~res~0 := #t~ret15; [L178] havoc #t~ret15; [L181] #t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] assume !#t~short17; VAL [#NULL.base=0, #NULL.offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181-L184] assume !#t~short17; [L181] havoc #t~ret16; [L181] havoc #t~short17; VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L182] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450957, #NULL.offset=6442450945, old(#NULL.base)=6442450957, old(#NULL.offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=6.44245096E9, ~one_sqrt~0=6.442450951E9, ~pio2_hi_acos~0=6.442450963E9, ~pio2_lo_acos~0=6.44245095E9, ~pi~0=6.442450954E9, ~pS0_acos~0=6.442450944E9, ~pS1_acos~0=6.442450961E9, ~pS2_acos~0=6.442450962E9, ~pS3_acos~0=6.442450948E9, ~pS4_acos~0=6.442450953E9, ~pS5_acos~0=6.442450964E9, ~qS1_acos~0=6.442450947E9, ~qS2_acos~0=6.442450955E9, ~qS3_acos~0=6.442450958E9, ~qS4_acos~0=6.442450949E9, ~tiny_sqrt~0=6.442450959E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; [L81-L88] ~one_acos~0 := 1.0; [L81-L88] ~pi~0 := 3.1415925026; [L81-L88] ~pio2_hi_acos~0 := 1.5707962513; [L81-L88] ~pio2_lo_acos~0 := 7.5497894159E-8; [L81-L88] ~pS0_acos~0 := 0.16666667163; [L81-L88] ~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.32556581497); [L81-L88] ~pS2_acos~0 := 0.20121252537; [L81-L88] ~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.040055535734); [L81-L88] ~pS4_acos~0 := 7.9153501429E-4; [L81-L88] ~pS5_acos~0 := 3.4793309169E-5; [L81-L88] ~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.4033949375); [L81-L88] ~qS2_acos~0 := 2.0209457874; [L81-L88] ~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.68828397989); [L81-L88] ~qS4_acos~0 := 0.077038154006; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450957, old(#NULL.offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450957, old(#NULL.offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret18 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L177] ~x~0 := 1.0; VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] CALL call #t~ret15 := __ieee754_acosf(~x~0); VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L90-L157] ~x := #in~x; [L91] havoc ~z~1; [L91] havoc ~p~0; [L91] havoc ~q~1; [L91] havoc ~r~1; [L91] havoc ~w~0; [L91] havoc ~s~1; [L91] havoc ~c~0; [L91] havoc ~df~0; [L92] havoc ~hx~1; [L92] havoc ~ix~1; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L94] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4); [L95] call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L96] call #t~mem5 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4); [L96] ~hx~1 := (if #t~mem5 % 4294967296 % 4294967296 <= 2147483647 then #t~mem5 % 4294967296 % 4294967296 else #t~mem5 % 4294967296 % 4294967296 - 4294967296); [L96] call write~real(#t~union6, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L96] havoc #t~mem5; [L96] havoc #t~union6; [L94] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L94] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L98] ~ix~1 := ~bitwiseAnd(~hx~1, 2147483647); VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L99-L106] assume 1065353216 == ~ix~1; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L100-L103] assume ~hx~1 > 0; [L101] #res := 0.0; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, #res=0.0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L90-L157] ensures true; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, #res=0.0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L178] RET call #t~ret15 := __ieee754_acosf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret15=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] ~res~0 := #t~ret15; [L178] havoc #t~ret15; [L181] #t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] assume !#t~short17; VAL [#NULL.base=0, #NULL.offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181-L184] assume !#t~short17; [L181] havoc #t~ret16; [L181] havoc #t~short17; VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L182] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450957, #NULL!offset=6442450945, old(#NULL!base)=6442450957, old(#NULL!offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=6.44245096E9, ~one_sqrt~0=6.442450951E9, ~pio2_hi_acos~0=6.442450963E9, ~pio2_lo_acos~0=6.44245095E9, ~pi~0=6.442450954E9, ~pS0_acos~0=6.442450944E9, ~pS1_acos~0=6.442450961E9, ~pS2_acos~0=6.442450962E9, ~pS3_acos~0=6.442450948E9, ~pS4_acos~0=6.442450953E9, ~pS5_acos~0=6.442450964E9, ~qS1_acos~0=6.442450947E9, ~qS2_acos~0=6.442450955E9, ~qS3_acos~0=6.442450958E9, ~qS4_acos~0=6.442450949E9, ~tiny_sqrt~0=6.442450959E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; [L81-L88] ~one_acos~0 := 1.0; [L81-L88] ~pi~0 := 3.1415925026; [L81-L88] ~pio2_hi_acos~0 := 1.5707962513; [L81-L88] ~pio2_lo_acos~0 := 7.5497894159E-8; [L81-L88] ~pS0_acos~0 := 0.16666667163; [L81-L88] ~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.32556581497); [L81-L88] ~pS2_acos~0 := 0.20121252537; [L81-L88] ~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.040055535734); [L81-L88] ~pS4_acos~0 := 7.9153501429E-4; [L81-L88] ~pS5_acos~0 := 3.4793309169E-5; [L81-L88] ~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.4033949375); [L81-L88] ~qS2_acos~0 := 2.0209457874; [L81-L88] ~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.68828397989); [L81-L88] ~qS4_acos~0 := 0.077038154006; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450957, old(#NULL!offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret18 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L177] ~x~0 := 1.0; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] CALL call #t~ret15 := __ieee754_acosf(~x~0); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L90-L157] ~x := #in~x; [L91] havoc ~z~1; [L91] havoc ~p~0; [L91] havoc ~q~1; [L91] havoc ~r~1; [L91] havoc ~w~0; [L91] havoc ~s~1; [L91] havoc ~c~0; [L91] havoc ~df~0; [L92] havoc ~hx~1; [L92] havoc ~ix~1; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L94] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L95] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] FCALL call #t~mem5 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] ~hx~1 := (if #t~mem5 % 4294967296 % 4294967296 <= 2147483647 then #t~mem5 % 4294967296 % 4294967296 else #t~mem5 % 4294967296 % 4294967296 - 4294967296); [L96] FCALL call write~real(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] havoc #t~mem5; [L96] havoc #t~union6; [L94] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L94] havoc ~#gf_u~1; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L98] ~ix~1 := ~bitwiseAnd(~hx~1, 2147483647); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L99] COND TRUE 1065353216 == ~ix~1 VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L100] COND TRUE ~hx~1 > 0 [L101] #res := 0.0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, #res=0.0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L178] RET call #t~ret15 := __ieee754_acosf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret15=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] ~res~0 := #t~ret15; [L178] havoc #t~ret15; [L181] #t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] COND FALSE !(#t~short17) VAL [#NULL!base=0, #NULL!offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] COND TRUE !#t~short17 [L181] havoc #t~ret16; [L181] havoc #t~short17; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L182] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450957, #NULL!offset=6442450945, old(#NULL!base)=6442450957, old(#NULL!offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=6.44245096E9, ~one_sqrt~0=6.442450951E9, ~pio2_hi_acos~0=6.442450963E9, ~pio2_lo_acos~0=6.44245095E9, ~pi~0=6.442450954E9, ~pS0_acos~0=6.442450944E9, ~pS1_acos~0=6.442450961E9, ~pS2_acos~0=6.442450962E9, ~pS3_acos~0=6.442450948E9, ~pS4_acos~0=6.442450953E9, ~pS5_acos~0=6.442450964E9, ~qS1_acos~0=6.442450947E9, ~qS2_acos~0=6.442450955E9, ~qS3_acos~0=6.442450958E9, ~qS4_acos~0=6.442450949E9, ~tiny_sqrt~0=6.442450959E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; [L81-L88] ~one_acos~0 := 1.0; [L81-L88] ~pi~0 := 3.1415925026; [L81-L88] ~pio2_hi_acos~0 := 1.5707962513; [L81-L88] ~pio2_lo_acos~0 := 7.5497894159E-8; [L81-L88] ~pS0_acos~0 := 0.16666667163; [L81-L88] ~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.32556581497); [L81-L88] ~pS2_acos~0 := 0.20121252537; [L81-L88] ~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.040055535734); [L81-L88] ~pS4_acos~0 := 7.9153501429E-4; [L81-L88] ~pS5_acos~0 := 3.4793309169E-5; [L81-L88] ~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.4033949375); [L81-L88] ~qS2_acos~0 := 2.0209457874; [L81-L88] ~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.68828397989); [L81-L88] ~qS4_acos~0 := 0.077038154006; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450957, old(#NULL!offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret18 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L177] ~x~0 := 1.0; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] CALL call #t~ret15 := __ieee754_acosf(~x~0); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L90-L157] ~x := #in~x; [L91] havoc ~z~1; [L91] havoc ~p~0; [L91] havoc ~q~1; [L91] havoc ~r~1; [L91] havoc ~w~0; [L91] havoc ~s~1; [L91] havoc ~c~0; [L91] havoc ~df~0; [L92] havoc ~hx~1; [L92] havoc ~ix~1; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L94] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L95] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] FCALL call #t~mem5 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] ~hx~1 := (if #t~mem5 % 4294967296 % 4294967296 <= 2147483647 then #t~mem5 % 4294967296 % 4294967296 else #t~mem5 % 4294967296 % 4294967296 - 4294967296); [L96] FCALL call write~real(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] havoc #t~mem5; [L96] havoc #t~union6; [L94] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L94] havoc ~#gf_u~1; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L98] ~ix~1 := ~bitwiseAnd(~hx~1, 2147483647); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L99] COND TRUE 1065353216 == ~ix~1 VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L100] COND TRUE ~hx~1 > 0 [L101] #res := 0.0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, #res=0.0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L178] RET call #t~ret15 := __ieee754_acosf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret15=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] ~res~0 := #t~ret15; [L178] havoc #t~ret15; [L181] #t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] COND FALSE !(#t~short17) VAL [#NULL!base=0, #NULL!offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] COND TRUE !#t~short17 [L181] havoc #t~ret16; [L181] havoc #t~short17; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L182] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450957, #NULL!offset=6442450945, old(#NULL!base)=6442450957, old(#NULL!offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=6.44245096E9, ~one_sqrt~0=6.442450951E9, ~pio2_hi_acos~0=6.442450963E9, ~pio2_lo_acos~0=6.44245095E9, ~pi~0=6.442450954E9, ~pS0_acos~0=6.442450944E9, ~pS1_acos~0=6.442450961E9, ~pS2_acos~0=6.442450962E9, ~pS3_acos~0=6.442450948E9, ~pS4_acos~0=6.442450953E9, ~pS5_acos~0=6.442450964E9, ~qS1_acos~0=6.442450947E9, ~qS2_acos~0=6.442450955E9, ~qS3_acos~0=6.442450958E9, ~qS4_acos~0=6.442450949E9, ~tiny_sqrt~0=6.442450959E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; [L81-L88] ~one_acos~0 := 1.0; [L81-L88] ~pi~0 := 3.1415925026; [L81-L88] ~pio2_hi_acos~0 := 1.5707962513; [L81-L88] ~pio2_lo_acos~0 := 7.5497894159E-8; [L81-L88] ~pS0_acos~0 := 0.16666667163; [L81-L88] ~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.32556581497); [L81-L88] ~pS2_acos~0 := 0.20121252537; [L81-L88] ~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.040055535734); [L81-L88] ~pS4_acos~0 := 7.9153501429E-4; [L81-L88] ~pS5_acos~0 := 3.4793309169E-5; [L81-L88] ~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.4033949375); [L81-L88] ~qS2_acos~0 := 2.0209457874; [L81-L88] ~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.68828397989); [L81-L88] ~qS4_acos~0 := 0.077038154006; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450957, old(#NULL!offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret18 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L177] ~x~0 := 1.0; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] CALL call #t~ret15 := __ieee754_acosf(~x~0); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L90-L157] ~x := #in~x; [L91] havoc ~z~1; [L91] havoc ~p~0; [L91] havoc ~q~1; [L91] havoc ~r~1; [L91] havoc ~w~0; [L91] havoc ~s~1; [L91] havoc ~c~0; [L91] havoc ~df~0; [L92] havoc ~hx~1; [L92] havoc ~ix~1; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L94] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L95] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] FCALL call #t~mem5 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] ~hx~1 := (if #t~mem5 % 4294967296 % 4294967296 <= 2147483647 then #t~mem5 % 4294967296 % 4294967296 else #t~mem5 % 4294967296 % 4294967296 - 4294967296); [L96] FCALL call write~real(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] havoc #t~mem5; [L96] havoc #t~union6; [L94] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L94] havoc ~#gf_u~1; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L98] ~ix~1 := ~bitwiseAnd(~hx~1, 2147483647); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L99] COND TRUE 1065353216 == ~ix~1 VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L100] COND TRUE ~hx~1 > 0 [L101] #res := 0.0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, #res=0.0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L178] RET call #t~ret15 := __ieee754_acosf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret15=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] ~res~0 := #t~ret15; [L178] havoc #t~ret15; [L181] #t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] COND FALSE !(#t~short17) VAL [#NULL!base=0, #NULL!offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] COND TRUE !#t~short17 [L181] havoc #t~ret16; [L181] havoc #t~short17; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L182] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450957, #NULL!offset=6442450945, old(#NULL!base)=6442450957, old(#NULL!offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=6.44245096E9, ~one_sqrt~0=6.442450951E9, ~pio2_hi_acos~0=6.442450963E9, ~pio2_lo_acos~0=6.44245095E9, ~pi~0=6.442450954E9, ~pS0_acos~0=6.442450944E9, ~pS1_acos~0=6.442450961E9, ~pS2_acos~0=6.442450962E9, ~pS3_acos~0=6.442450948E9, ~pS4_acos~0=6.442450953E9, ~pS5_acos~0=6.442450964E9, ~qS1_acos~0=6.442450947E9, ~qS2_acos~0=6.442450955E9, ~qS3_acos~0=6.442450958E9, ~qS4_acos~0=6.442450949E9, ~tiny_sqrt~0=6.442450959E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; [L81-L88] ~one_acos~0 := 1.0; [L81-L88] ~pi~0 := 3.1415925026; [L81-L88] ~pio2_hi_acos~0 := 1.5707962513; [L81-L88] ~pio2_lo_acos~0 := 7.5497894159E-8; [L81-L88] ~pS0_acos~0 := 0.16666667163; [L81-L88] ~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.32556581497); [L81-L88] ~pS2_acos~0 := 0.20121252537; [L81-L88] ~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.040055535734); [L81-L88] ~pS4_acos~0 := 7.9153501429E-4; [L81-L88] ~pS5_acos~0 := 3.4793309169E-5; [L81-L88] ~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.4033949375); [L81-L88] ~qS2_acos~0 := 2.0209457874; [L81-L88] ~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.68828397989); [L81-L88] ~qS4_acos~0 := 0.077038154006; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450957, old(#NULL!offset)=6442450945, old(~one_acos~0)=6.44245096E9, old(~one_sqrt~0)=6.442450951E9, old(~pio2_hi_acos~0)=6.442450963E9, old(~pio2_lo_acos~0)=6.44245095E9, old(~pi~0)=6.442450954E9, old(~pS0_acos~0)=6.442450944E9, old(~pS1_acos~0)=6.442450961E9, old(~pS2_acos~0)=6.442450962E9, old(~pS3_acos~0)=6.442450948E9, old(~pS4_acos~0)=6.442450953E9, old(~pS5_acos~0)=6.442450964E9, old(~qS1_acos~0)=6.442450947E9, old(~qS2_acos~0)=6.442450955E9, old(~qS3_acos~0)=6.442450958E9, old(~qS4_acos~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450959E9, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret18 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L177] ~x~0 := 1.0; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] CALL call #t~ret15 := __ieee754_acosf(~x~0); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L90-L157] ~x := #in~x; [L91] havoc ~z~1; [L91] havoc ~p~0; [L91] havoc ~q~1; [L91] havoc ~r~1; [L91] havoc ~w~0; [L91] havoc ~s~1; [L91] havoc ~c~0; [L91] havoc ~df~0; [L92] havoc ~hx~1; [L92] havoc ~ix~1; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L94] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L95] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] FCALL call #t~mem5 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] ~hx~1 := (if #t~mem5 % 4294967296 % 4294967296 <= 2147483647 then #t~mem5 % 4294967296 % 4294967296 else #t~mem5 % 4294967296 % 4294967296 - 4294967296); [L96] FCALL call write~real(#t~union6, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L96] havoc #t~mem5; [L96] havoc #t~union6; [L94] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L94] havoc ~#gf_u~1; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L98] ~ix~1 := ~bitwiseAnd(~hx~1, 2147483647); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L99] COND TRUE 1065353216 == ~ix~1 VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L100] COND TRUE ~hx~1 > 0 [L101] #res := 0.0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, #res=0.0, ~hx~1=2147483647, ~ix~1=1065353216, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=1.0] [L178] RET call #t~ret15 := __ieee754_acosf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret15=0.0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L178] ~res~0 := #t~ret15; [L178] havoc #t~ret15; [L181] #t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] COND FALSE !(#t~short17) VAL [#NULL!base=0, #NULL!offset=0, #t~short17=false, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L181] COND TRUE !#t~short17 [L181] havoc #t~ret16; [L181] havoc #t~short17; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L182] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_acos~0=1.0, ~one_sqrt~0=1.0, ~pio2_hi_acos~0=15707962513/10000000000, ~pio2_lo_acos~0=75497894159/1000000000000000000, ~pi~0=15707962513/5000000000, ~pS0_acos~0=16666667163/100000000000, ~pS2_acos~0=20121252537/100000000000, ~pS4_acos~0=79153501429/100000000000000, ~pS5_acos~0=34793309169/1000000000000000, ~qS2_acos~0=10104728937/5000000000, ~qS4_acos~0=38519077003/500000000000, ~res~0=0.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=1.0] [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L81-L88] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [\old(one_acos)=6442450960, \old(one_sqrt)=6442450951, \old(pi)=6442450950, \old(pi)=6442450954, \old(pi)=6442450963, \old(pS0_acos)=6442450944, \old(pS1_acos)=6442450961, \old(pS2_acos)=6442450962, \old(pS3_acos)=6442450948, \old(pS4_acos)=6442450953, \old(pS5_acos)=6442450964, \old(qS1_acos)=6442450947, \old(qS2_acos)=6442450955, \old(qS3_acos)=6442450958, \old(qS4_acos)=6442450949, \old(tiny_sqrt)=6442450959, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L177] float x = 1.0f; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] CALL, EXPR __ieee754_acosf(x) VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L91] float z, p, q, r, w, s, c, df; [L92] __int32_t hx, ix; VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (x) [L96] EXPR gf_u.word [L96] (hx) = gf_u.word [L98] ix = hx & 0x7fffffff VAL [\old(x)=1, hx=2147483647, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L99] COND TRUE ix == 0x3f800000 VAL [\old(x)=1, hx=2147483647, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L100] COND TRUE hx > 0 [L101] return 0.0; VAL [\old(x)=1, \result=0, hx=2147483647, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] RET, EXPR __ieee754_acosf(x) VAL [__ieee754_acosf(x)=0, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] float res = __ieee754_acosf(x); [L181] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L181] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L182] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] ----- [2018-11-23 15:24:55,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:24:55 BoogieIcfgContainer [2018-11-23 15:24:55,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:24:55,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:24:55,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:24:55,553 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:24:55,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:55" (3/4) ... [2018-11-23 15:24:55,559 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:24:55,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:24:55,560 INFO L168 Benchmark]: Toolchain (without parser) took 1124.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -92.0 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:24:55,561 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:24:55,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:24:55,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:24:55,564 INFO L168 Benchmark]: Boogie Preprocessor took 36.34 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. [2018-11-23 15:24:55,564 INFO L168 Benchmark]: RCFGBuilder took 346.78 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:24:55,565 INFO L168 Benchmark]: TraceAbstraction took 458.30 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:24:55,565 INFO L168 Benchmark]: Witness Printer took 7.04 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. [2018-11-23 15:24:55,567 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 212.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.34 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 346.78 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 458.30 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 182]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 181, overapproximation of someUnaryDOUBLEoperation at line 84, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L81-L88] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [\old(one_acos)=6442450960, \old(one_sqrt)=6442450951, \old(pi)=6442450950, \old(pi)=6442450954, \old(pi)=6442450963, \old(pS0_acos)=6442450944, \old(pS1_acos)=6442450961, \old(pS2_acos)=6442450962, \old(pS3_acos)=6442450948, \old(pS4_acos)=6442450953, \old(pS5_acos)=6442450964, \old(qS1_acos)=6442450947, \old(qS2_acos)=6442450955, \old(qS3_acos)=6442450958, \old(qS4_acos)=6442450949, \old(tiny_sqrt)=6442450959, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L177] float x = 1.0f; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] CALL, EXPR __ieee754_acosf(x) VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L91] float z, p, q, r, w, s, c, df; [L92] __int32_t hx, ix; VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (x) [L96] EXPR gf_u.word [L96] (hx) = gf_u.word [L98] ix = hx & 0x7fffffff VAL [\old(x)=1, hx=2147483647, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L99] COND TRUE ix == 0x3f800000 VAL [\old(x)=1, hx=2147483647, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L100] COND TRUE hx > 0 [L101] return 0.0; VAL [\old(x)=1, \result=0, hx=2147483647, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] RET, EXPR __ieee754_acosf(x) VAL [__ieee754_acosf(x)=0, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L178] float res = __ieee754_acosf(x); [L181] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L181] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L182] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 71 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 89 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=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 15:24:56,991 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:24:56,992 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:24:56,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:24:56,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:24:57,000 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:24:57,001 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:24:57,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:24:57,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:24:57,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:24:57,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:24:57,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:24:57,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:24:57,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:24:57,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:24:57,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:24:57,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:24:57,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:24:57,010 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:24:57,011 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:24:57,012 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:24:57,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:24:57,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:24:57,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:24:57,015 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:24:57,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:24:57,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:24:57,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:24:57,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:24:57,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:24:57,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:24:57,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:24:57,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:24:57,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:24:57,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:24:57,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:24:57,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 15:24:57,031 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:24:57,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:24:57,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:24:57,031 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:24:57,032 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:24:57,032 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:24:57,032 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:24:57,032 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:24:57,032 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:24:57,032 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:24:57,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:24:57,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:24:57,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:24:57,033 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:24:57,033 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:24:57,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:24:57,034 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:24:57,034 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:24:57,034 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:24:57,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:24:57,034 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:24:57,034 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:24:57,034 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:24:57,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:24:57,035 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:24:57,035 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:24:57,035 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:24:57,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:24:57,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:24:57,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:24:57,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:24:57,036 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 15:24:57,036 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:24:57,036 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:24:57,036 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:24:57,036 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_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 -> 8015c985f157600a44233f2d61865f454dda9bb9 [2018-11-23 15:24:57,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:24:57,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:24:57,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:24:57,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:24:57,075 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:24:57,075 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-11-23 15:24:57,111 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data/6f2f9eba5/a522a6d81dfb4d59bd6eb04b6fa3998a/FLAG588dc46d2 [2018-11-23 15:24:57,436 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:24:57,437 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/sv-benchmarks/c/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-11-23 15:24:57,441 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data/6f2f9eba5/a522a6d81dfb4d59bd6eb04b6fa3998a/FLAG588dc46d2 [2018-11-23 15:24:57,869 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/data/6f2f9eba5/a522a6d81dfb4d59bd6eb04b6fa3998a [2018-11-23 15:24:57,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:24:57,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:24:57,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:24:57,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:24:57,876 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:24:57,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:57" (1/1) ... [2018-11-23 15:24:57,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2a43b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:57, skipping insertion in model container [2018-11-23 15:24:57,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:57" (1/1) ... [2018-11-23 15:24:57,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:24:57,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:24:58,057 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:24:58,062 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:24:58,101 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:24:58,118 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:24:58,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58 WrapperNode [2018-11-23 15:24:58,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:24:58,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:24:58,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:24:58,120 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:24:58,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:24:58,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:24:58,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:24:58,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:24:58,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... [2018-11-23 15:24:58,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:24:58,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:24:58,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:24:58,232 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:24:58,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 [2018-11-23 15:24:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-11-23 15:24:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-11-23 15:24:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:24:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:24:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 15:24:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:24:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:24:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:24:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 15:24:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:24:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:24:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 15:24:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 15:24:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 15:24:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 15:24:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:24:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 15:24:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 15:25:00,569 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:25:07,406 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:25:07,406 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 15:25:07,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:07 BoogieIcfgContainer [2018-11-23 15:25:07,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:25:07,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:25:07,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:25:07,408 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:25:07,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:24:57" (1/3) ... [2018-11-23 15:25:07,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c7213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:07, skipping insertion in model container [2018-11-23 15:25:07,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:58" (2/3) ... [2018-11-23 15:25:07,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c7213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:07, skipping insertion in model container [2018-11-23 15:25:07,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:07" (3/3) ... [2018-11-23 15:25:07,411 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480_true-unreach-call.c [2018-11-23 15:25:07,416 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:25:07,422 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:25:07,431 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:25:07,451 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:25:07,451 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:25:07,451 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:25:07,451 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:25:07,451 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:25:07,452 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:25:07,452 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:25:07,452 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:25:07,452 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:25:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-11-23 15:25:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 15:25:07,468 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:25:07,468 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:25:07,470 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:25:07,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:25:07,473 INFO L82 PathProgramCache]: Analyzing trace with hash -905917540, now seen corresponding path program 1 times [2018-11-23 15:25:07,476 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:25:07,476 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 [2018-11-23 15:25:07,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:25:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:25:07,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:25:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:25:07,555 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:25:07,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:25:07,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:25:07,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:25:07,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:25:07,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:25:07,577 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2018-11-23 15:25:07,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:25:07,597 INFO L93 Difference]: Finished difference Result 134 states and 203 transitions. [2018-11-23 15:25:07,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:25:07,598 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 15:25:07,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:25:07,605 INFO L225 Difference]: With dead ends: 134 [2018-11-23 15:25:07,605 INFO L226 Difference]: Without dead ends: 67 [2018-11-23 15:25:07,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:25:07,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-23 15:25:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-11-23 15:25:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-23 15:25:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2018-11-23 15:25:07,638 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 18 [2018-11-23 15:25:07,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:25:07,639 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2018-11-23 15:25:07,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:25:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2018-11-23 15:25:07,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:25:07,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:25:07,640 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:25:07,640 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:25:07,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:25:07,641 INFO L82 PathProgramCache]: Analyzing trace with hash -185682695, now seen corresponding path program 1 times [2018-11-23 15:25:07,641 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:25:07,641 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 [2018-11-23 15:25:07,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:25:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:25:07,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:25:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:25:07,753 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:25:07,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:25:07,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:25:07,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:25:07,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:25:07,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:25:07,762 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand 5 states. [2018-11-23 15:25:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:25:15,334 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2018-11-23 15:25:15,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 15:25:15,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-23 15:25:15,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:25:15,524 INFO L225 Difference]: With dead ends: 74 [2018-11-23 15:25:15,524 INFO L226 Difference]: Without dead ends: 71 [2018-11-23 15:25:15,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:25:15,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-11-23 15:25:15,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-11-23 15:25:15,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-11-23 15:25:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 89 transitions. [2018-11-23 15:25:15,532 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 89 transitions. Word has length 19 [2018-11-23 15:25:15,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:25:15,532 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 89 transitions. [2018-11-23 15:25:15,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:25:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2018-11-23 15:25:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:25:15,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:25:15,533 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:25:15,534 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:25:15,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:25:15,534 INFO L82 PathProgramCache]: Analyzing trace with hash 701820986, now seen corresponding path program 1 times [2018-11-23 15:25:15,534 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:25:15,534 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 [2018-11-23 15:25:15,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:25:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:25:15,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:25:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:25:15,719 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:25:15,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:25:15,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:25:15,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:25:15,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:25:15,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:25:15,727 INFO L87 Difference]: Start difference. First operand 71 states and 89 transitions. Second operand 6 states. [2018-11-23 15:25:21,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:25:21,317 INFO L93 Difference]: Finished difference Result 88 states and 106 transitions. [2018-11-23 15:25:21,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:25:21,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-23 15:25:21,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:25:21,320 INFO L225 Difference]: With dead ends: 88 [2018-11-23 15:25:21,321 INFO L226 Difference]: Without dead ends: 73 [2018-11-23 15:25:21,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:25:21,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-23 15:25:21,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-11-23 15:25:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-11-23 15:25:21,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2018-11-23 15:25:21,326 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 19 [2018-11-23 15:25:21,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:25:21,327 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2018-11-23 15:25:21,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:25:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-11-23 15:25:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:25:21,328 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:25:21,328 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:25:21,328 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:25:21,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:25:21,328 INFO L82 PathProgramCache]: Analyzing trace with hash 80985497, now seen corresponding path program 1 times [2018-11-23 15:25:21,328 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:25:21,329 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 [2018-11-23 15:25:21,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:25:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:25:21,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:25:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:25:21,614 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:25:21,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:25:21,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:25:21,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:25:21,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:25:21,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:25:21,624 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand 7 states. [2018-11-23 15:25:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:25:26,915 INFO L93 Difference]: Finished difference Result 86 states and 103 transitions. [2018-11-23 15:25:26,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:25:26,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-23 15:25:26,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:25:26,916 INFO L225 Difference]: With dead ends: 86 [2018-11-23 15:25:26,916 INFO L226 Difference]: Without dead ends: 64 [2018-11-23 15:25:26,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:25:26,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-23 15:25:26,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-11-23 15:25:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-23 15:25:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 77 transitions. [2018-11-23 15:25:26,920 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 77 transitions. Word has length 19 [2018-11-23 15:25:26,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:25:26,920 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 77 transitions. [2018-11-23 15:25:26,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:25:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2018-11-23 15:25:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:25:26,921 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:25:26,921 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:25:26,921 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:25:26,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:25:26,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1754919774, now seen corresponding path program 1 times [2018-11-23 15:25:26,922 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:25:26,922 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 [2018-11-23 15:25:26,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:25:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:25:27,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:25:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:25:28,007 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:25:28,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:25:28,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:25:28,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:25:28,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:25:28,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:25:28,028 INFO L87 Difference]: Start difference. First operand 64 states and 77 transitions. Second operand 7 states. [2018-11-23 15:25:32,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:25:32,792 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2018-11-23 15:25:32,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:25:32,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-23 15:25:32,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:25:32,960 INFO L225 Difference]: With dead ends: 79 [2018-11-23 15:25:32,960 INFO L226 Difference]: Without dead ends: 63 [2018-11-23 15:25:32,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:25:32,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-23 15:25:32,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-11-23 15:25:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-23 15:25:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2018-11-23 15:25:32,967 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 21 [2018-11-23 15:25:32,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:25:32,968 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2018-11-23 15:25:32,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:25:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-11-23 15:25:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 15:25:32,969 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:25:32,969 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:25:32,969 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:25:32,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:25:32,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1522642984, now seen corresponding path program 1 times [2018-11-23 15:25:32,970 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:25:32,970 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/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 [2018-11-23 15:25:32,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:25:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:25:33,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:25:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:25:33,145 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:25:33,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:25:33,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 15:25:33,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:25:33,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:25:33,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:25:33,154 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand 10 states. [2018-11-23 15:25:35,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:25:35,513 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-11-23 15:25:35,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:25:35,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-11-23 15:25:35,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:25:35,515 INFO L225 Difference]: With dead ends: 68 [2018-11-23 15:25:35,515 INFO L226 Difference]: Without dead ends: 58 [2018-11-23 15:25:35,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-23 15:25:35,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-23 15:25:35,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-23 15:25:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-23 15:25:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2018-11-23 15:25:35,520 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 27 [2018-11-23 15:25:35,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:25:35,520 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2018-11-23 15:25:35,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:25:35,520 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2018-11-23 15:25:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 15:25:35,521 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:25:35,521 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:25:35,521 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:25:35,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:25:35,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1281974030, now seen corresponding path program 1 times [2018-11-23 15:25:35,522 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:25:35,522 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-23 15:25:35,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:25:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:25:36,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:25:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:25:36,688 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:25:36,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:25:36,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:25:36,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:25:36,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:25:36,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:25:36,707 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand 7 states. [2018-11-23 15:25:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:25:39,146 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2018-11-23 15:25:39,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:25:39,147 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-11-23 15:25:39,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:25:39,147 INFO L225 Difference]: With dead ends: 58 [2018-11-23 15:25:39,147 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:25:39,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:25:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:25:39,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:25:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:25:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:25:39,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-23 15:25:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:25:39,148 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:25:39,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:25:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:25:39,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:25:39,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:25:39,277 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2018-11-23 15:25:39,277 INFO L444 ceAbstractionStarter]: At program point L93-2(lines 93 97) the Hoare annotation is: (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) [2018-11-23 15:25:39,277 INFO L448 ceAbstractionStarter]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2018-11-23 15:25:39,277 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosfFINAL(lines 90 157) no Hoare annotation was computed. [2018-11-23 15:25:39,277 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosfENTRY(lines 90 157) the Hoare annotation is: true [2018-11-23 15:25:39,277 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32))))) [2018-11-23 15:25:39,277 INFO L448 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-11-23 15:25:39,277 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 156) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 156) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L444 ceAbstractionStarter]: At program point L136-2(lines 136 140) the Hoare annotation is: (and (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))))) [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 106) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosfEXIT(lines 90 157) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 145) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 131 156) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 106) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 103) no Hoare annotation was computed. [2018-11-23 15:25:39,278 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (and (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_acosf_~hx~1) (_ bv3229614080 32)) (_ bv0 32)))))) [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 15:25:39,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 171 187) the Hoare annotation is: true [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 171 187) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L444 ceAbstractionStarter]: At program point L181-1(line 181) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) main_~res~0) |main_#t~short17| (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) main_~x~0)) [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2018-11-23 15:25:39,279 INFO L448 ceAbstractionStarter]: For program point L181-2(line 181) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) main_~x~0) [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point L181-4(lines 181 184) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 171 187) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 162 166) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L444 ceAbstractionStarter]: At program point L162-2(lines 162 166) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point L162-3(lines 162 166) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 159 169) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 159 169) the Hoare annotation is: true [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 159 169) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-23 15:25:39,280 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L451 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: true [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L451 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: true [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-23 15:25:39,281 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-23 15:25:39,282 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: true [2018-11-23 15:25:39,282 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-11-23 15:25:39,282 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-23 15:25:39,282 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-23 15:25:39,282 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-23 15:25:39,282 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-23 15:25:39,282 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-23 15:25:39,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,293 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:25:39 BoogieIcfgContainer [2018-11-23 15:25:39,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:25:39,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:25:39,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:25:39,295 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:25:39,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:07" (3/4) ... [2018-11-23 15:25:39,298 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:25:39,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acosf [2018-11-23 15:25:39,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:25:39,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:25:39,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-23 15:25:39,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-23 15:25:39,305 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-23 15:25:39,305 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 15:25:39,306 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:25:39,306 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:25:39,324 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 15:25:39,324 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 15:25:39,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0])) && \old(x) == x) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, __ieee754_acosf_~hx~1), 3229614080bv32) == 0bv32)) [2018-11-23 15:25:39,355 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_adb58078-b252-4fb5-9be2-5be3c725ab8b/bin-2019/utaipan/witness.graphml [2018-11-23 15:25:39,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:25:39,356 INFO L168 Benchmark]: Toolchain (without parser) took 41484.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 949.7 MB in the beginning and 831.9 MB in the end (delta: 117.8 MB). Peak memory consumption was 256.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:25:39,357 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-23 15:25:39,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.28 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:25:39,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:25:39,358 INFO L168 Benchmark]: Boogie Preprocessor took 90.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:25:39,358 INFO L168 Benchmark]: RCFGBuilder took 9174.21 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: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:25:39,358 INFO L168 Benchmark]: TraceAbstraction took 31887.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 838.6 MB in the end (delta: 242.6 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:25:39,358 INFO L168 Benchmark]: Witness Printer took 60.64 ms. Allocated memory is still 1.2 GB. Free memory was 838.6 MB in the beginning and 831.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:25:39,360 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 246.28 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9174.21 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: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31887.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 838.6 MB in the end (delta: 242.6 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. * Witness Printer took 60.64 ms. Allocated memory is still 1.2 GB. Free memory was 838.6 MB in the beginning and 831.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 182]: 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: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant [2018-11-23 15:25:39,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-11-23 15:25:39,365 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: (((\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_acosf_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0])) && \old(x) == x) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !(~bvadd64(~bvand32(2147483647bv32, __ieee754_acosf_~hx~1), 3229614080bv32) == 0bv32)) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 71 locations, 1 error locations. SAFE Result, 31.8s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 28.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 497 SDtfs, 164 SDslu, 1832 SDs, 0 SdLazy, 194 SolverSat, 14 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 26.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 43 PreInvPairs, 57 NumberOfFragments, 149 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 146 ConstructedInterpolants, 22 QuantifiedInterpolants, 16763 SizeOfPredicates, 20 NumberOfNonLiveVariables, 727 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...