./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0720_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_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0720_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 2099bda96984d0e4445a07fd627008694b409440 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0720_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 2099bda96984d0e4445a07fd627008694b409440 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:07:06,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:07:06,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:07:06,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:07:06,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:07:06,899 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:07:06,899 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:07:06,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:07:06,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:07:06,902 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:07:06,903 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:07:06,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:07:06,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:07:06,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:07:06,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:07:06,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:07:06,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:07:06,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:07:06,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:07:06,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:07:06,911 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:07:06,912 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:07:06,914 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:07:06,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:07:06,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:07:06,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:07:06,915 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:07:06,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:07:06,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:07:06,917 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:07:06,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:07:06,918 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:07:06,918 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:07:06,918 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:07:06,919 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:07:06,920 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:07:06,920 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 08:07:06,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:07:06,931 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:07:06,931 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:07:06,931 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:07:06,932 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:07:06,932 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:07:06,932 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:07:06,932 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:07:06,932 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:07:06,932 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:07:06,932 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:07:06,933 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:07:06,933 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:07:06,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:07:06,934 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:07:06,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:07:06,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:07:06,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:07:06,934 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:07:06,934 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:07:06,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:07:06,935 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:07:06,935 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:07:06,935 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:07:06,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:07:06,935 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:07:06,935 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:07:06,935 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:07:06,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:07:06,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:07:06,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:07:06,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:07:06,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:07:06,936 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:07:06,937 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:07:06,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:07:06,937 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:07:06,937 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_ca20add3-c551-476b-a352-d44c2d86588a/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 -> 2099bda96984d0e4445a07fd627008694b409440 [2018-11-23 08:07:06,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:07:06,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:07:06,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:07:06,974 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:07:06,975 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:07:06,975 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0720_true-unreach-call.c [2018-11-23 08:07:07,022 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data/2f308f405/b9eb584c35094d909a6c1462afa58d41/FLAGd1c690ab6 [2018-11-23 08:07:07,426 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:07:07,427 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/sv-benchmarks/c/float-newlib/float_req_bl_0720_true-unreach-call.c [2018-11-23 08:07:07,432 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data/2f308f405/b9eb584c35094d909a6c1462afa58d41/FLAGd1c690ab6 [2018-11-23 08:07:07,441 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data/2f308f405/b9eb584c35094d909a6c1462afa58d41 [2018-11-23 08:07:07,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:07:07,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:07:07,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:07:07,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:07:07,447 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:07:07,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1dff5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07, skipping insertion in model container [2018-11-23 08:07:07,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:07:07,470 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:07:07,593 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:07:07,596 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:07:07,613 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:07:07,626 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:07:07,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07 WrapperNode [2018-11-23 08:07:07,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:07:07,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:07:07,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:07:07,627 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:07:07,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:07:07,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:07:07,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:07:07,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:07:07,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... [2018-11-23 08:07:07,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:07:07,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:07:07,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:07:07,704 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:07:07,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 08:07:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:07:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:07:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 08:07:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:07:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 08:07:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 08:07:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:07:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:07:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 08:07:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:07:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:07:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:07:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:07:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:07:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 08:07:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 08:07:07,920 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:07:07,921 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 08:07:07,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:07 BoogieIcfgContainer [2018-11-23 08:07:07,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:07:07,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:07:07,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:07:07,924 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:07:07,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:07:07" (1/3) ... [2018-11-23 08:07:07,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4f0d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:07:07, skipping insertion in model container [2018-11-23 08:07:07,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:07" (2/3) ... [2018-11-23 08:07:07,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4f0d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:07:07, skipping insertion in model container [2018-11-23 08:07:07,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:07" (3/3) ... [2018-11-23 08:07:07,927 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0720_true-unreach-call.c [2018-11-23 08:07:07,935 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:07:07,941 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:07:07,954 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:07:07,979 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:07:07,979 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:07:07,979 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:07:07,979 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:07:07,979 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:07:07,980 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:07:07,980 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:07:07,980 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:07:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-11-23 08:07:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 08:07:07,996 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:07:07,997 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 08:07:07,998 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:07:08,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:07:08,002 INFO L82 PathProgramCache]: Analyzing trace with hash 2075828111, now seen corresponding path program 1 times [2018-11-23 08:07:08,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:07:08,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:07:08,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:07:08,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:07:08,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:07:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:07:08,096 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 08:07:08,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:07:08,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:07:08,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:07:08,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:07:08,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:07:08,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:07:08,109 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-11-23 08:07:08,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:07:08,124 INFO L93 Difference]: Finished difference Result 84 states and 118 transitions. [2018-11-23 08:07:08,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:07:08,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 08:07:08,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:07:08,132 INFO L225 Difference]: With dead ends: 84 [2018-11-23 08:07:08,132 INFO L226 Difference]: Without dead ends: 42 [2018-11-23 08:07:08,135 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 08:07:08,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-23 08:07:08,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-23 08:07:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 08:07:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2018-11-23 08:07:08,159 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 21 [2018-11-23 08:07:08,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:07:08,159 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2018-11-23 08:07:08,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:07:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-11-23 08:07:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 08:07:08,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:07:08,160 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] [2018-11-23 08:07:08,160 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:07:08,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:07:08,161 INFO L82 PathProgramCache]: Analyzing trace with hash 768569323, now seen corresponding path program 1 times [2018-11-23 08:07:08,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:07:08,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:07:08,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:07:08,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:07:08,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:07:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:07:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:07:08,230 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450952, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450946.0, ~one_sqrt~0=6442450949.0, ~tiny_sqrt~0=6442450946.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450946.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450946.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #126#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret7 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;havoc ~z~0;havoc ~r~0;havoc ~hx~0;havoc ~ix~0;havoc ~s~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; VAL [__ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] goto; VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !(~hx~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #130#return; VAL [main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=6442450948.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~res~0 := #t~ret5;havoc #t~ret5; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret6 := isnan_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450948.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;#res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [isnan_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450948.0, |isnan_float_#res|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [isnan_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450948.0, |isnan_float_#res|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #132#return; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume 0 == #t~ret6;havoc #t~ret6; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !false; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450945, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L92] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29-L30] assume !(~hx~0 % 4294967296 < 2139095040); [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L17-L82] ensures true; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L92] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L92] ~res~0 := #t~ret5; [L92] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L13] ensures true; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L95] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95-L98] assume 0 == #t~ret6; [L95] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450945, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L92] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29-L30] assume !(~hx~0 % 4294967296 < 2139095040); [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L17-L82] ensures true; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L92] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L92] ~res~0 := #t~ret5; [L92] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L13] ensures true; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L95] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95-L98] assume 0 == #t~ret6; [L95] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L92] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L92] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L92] ~res~0 := #t~ret5; [L92] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L95] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] COND TRUE 0 == #t~ret6 [L95] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L92] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L92] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L92] ~res~0 := #t~ret5; [L92] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L95] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] COND TRUE 0 == #t~ret6 [L95] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L92] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L92] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L92] ~res~0 := #t~ret5; [L92] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L95] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] COND TRUE 0 == #t~ret6 [L95] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L92] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L92] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L92] ~res~0 := #t~ret5; [L92] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L95] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L95] COND TRUE 0 == #t~ret6 [L95] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450949, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = 0.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L92] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450947, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450947, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L92] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L92] float res = __ieee754_sqrtf(x); [L95] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L95] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L95] COND TRUE !isnan_float(res) [L96] __VERIFIER_error() VAL [one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] ----- [2018-11-23 08:07:08,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:07:08 BoogieIcfgContainer [2018-11-23 08:07:08,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:07:08,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:07:08,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:07:08,271 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:07:08,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:07" (3/4) ... [2018-11-23 08:07:08,277 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 08:07:08,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:07:08,278 INFO L168 Benchmark]: Toolchain (without parser) took 834.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:08,280 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:07:08,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.47 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:08,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -215.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:08,281 INFO L168 Benchmark]: Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:07:08,282 INFO L168 Benchmark]: RCFGBuilder took 217.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:08,282 INFO L168 Benchmark]: TraceAbstraction took 348.69 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:08,283 INFO L168 Benchmark]: Witness Printer took 7.23 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 08:07:08,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.47 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -215.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 217.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 348.69 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.23 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: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 30, overapproximation of bitwiseAnd at line 27. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450949, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = 0.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L92] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450947, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450947, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L92] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L92] float res = __ieee754_sqrtf(x); [L95] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L95] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L95] COND TRUE !isnan_float(res) [L96] __VERIFIER_error() VAL [one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 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=46occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 08:07:09,761 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:07:09,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:07:09,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:07:09,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:07:09,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:07:09,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:07:09,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:07:09,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:07:09,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:07:09,778 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:07:09,778 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:07:09,779 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:07:09,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:07:09,780 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:07:09,781 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:07:09,782 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:07:09,783 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:07:09,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:07:09,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:07:09,786 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:07:09,787 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:07:09,789 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:07:09,789 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:07:09,789 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:07:09,790 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:07:09,791 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:07:09,791 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:07:09,792 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:07:09,793 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:07:09,793 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:07:09,793 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:07:09,794 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:07:09,794 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:07:09,794 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:07:09,795 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:07:09,795 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 08:07:09,806 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:07:09,806 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:07:09,806 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:07:09,807 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:07:09,807 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:07:09,807 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:07:09,807 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:07:09,807 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:07:09,807 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:07:09,807 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:07:09,808 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:07:09,808 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:07:09,808 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:07:09,808 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:07:09,809 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:07:09,809 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:07:09,809 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:07:09,809 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 08:07:09,809 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 08:07:09,809 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:07:09,809 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:07:09,810 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:07:09,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:07:09,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:07:09,810 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:07:09,810 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:07:09,810 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:07:09,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:07:09,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:07:09,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:07:09,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:07:09,811 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 08:07:09,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:07:09,811 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 08:07:09,811 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 08:07:09,812 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_ca20add3-c551-476b-a352-d44c2d86588a/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 -> 2099bda96984d0e4445a07fd627008694b409440 [2018-11-23 08:07:09,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:07:09,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:07:09,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:07:09,855 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:07:09,855 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:07:09,856 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0720_true-unreach-call.c [2018-11-23 08:07:09,899 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data/b2435f260/c7f76c3650894877b4ed7f5a0e2ebe54/FLAG98bc7c640 [2018-11-23 08:07:10,197 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:07:10,198 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/sv-benchmarks/c/float-newlib/float_req_bl_0720_true-unreach-call.c [2018-11-23 08:07:10,204 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data/b2435f260/c7f76c3650894877b4ed7f5a0e2ebe54/FLAG98bc7c640 [2018-11-23 08:07:10,212 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/data/b2435f260/c7f76c3650894877b4ed7f5a0e2ebe54 [2018-11-23 08:07:10,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:07:10,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:07:10,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:07:10,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:07:10,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:07:10,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567d81a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10, skipping insertion in model container [2018-11-23 08:07:10,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:07:10,249 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:07:10,383 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:07:10,387 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:07:10,409 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:07:10,425 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:07:10,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10 WrapperNode [2018-11-23 08:07:10,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:07:10,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:07:10,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:07:10,426 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:07:10,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:07:10,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:07:10,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:07:10,443 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:07:10,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... [2018-11-23 08:07:10,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:07:10,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:07:10,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:07:10,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:07:10,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 08:07:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:07:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:07:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 08:07:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 08:07:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 08:07:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:07:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:07:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:07:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 08:07:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:07:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:07:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 08:07:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 08:07:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:07:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 08:07:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 08:07:11,337 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:07:11,337 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 08:07:11,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:11 BoogieIcfgContainer [2018-11-23 08:07:11,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:07:11,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:07:11,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:07:11,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:07:11,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:07:10" (1/3) ... [2018-11-23 08:07:11,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313180b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:07:11, skipping insertion in model container [2018-11-23 08:07:11,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:10" (2/3) ... [2018-11-23 08:07:11,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313180b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:07:11, skipping insertion in model container [2018-11-23 08:07:11,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:11" (3/3) ... [2018-11-23 08:07:11,343 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0720_true-unreach-call.c [2018-11-23 08:07:11,349 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:07:11,353 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:07:11,362 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:07:11,380 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:07:11,380 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:07:11,380 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:07:11,380 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:07:11,380 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:07:11,380 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:07:11,381 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:07:11,381 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:07:11,381 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:07:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-11-23 08:07:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 08:07:11,394 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:07:11,395 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] [2018-11-23 08:07:11,396 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:07:11,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:07:11,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1639632096, now seen corresponding path program 1 times [2018-11-23 08:07:11,402 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:07:11,403 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 08:07:11,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:07:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:07:11,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:07:11,535 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 08:07:11,536 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:07:11,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:07:11,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:07:11,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:07:11,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:07:11,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:07:11,559 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-11-23 08:07:11,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:07:11,573 INFO L93 Difference]: Finished difference Result 82 states and 116 transitions. [2018-11-23 08:07:11,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:07:11,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-23 08:07:11,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:07:11,582 INFO L225 Difference]: With dead ends: 82 [2018-11-23 08:07:11,582 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 08:07:11,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 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 08:07:11,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 08:07:11,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 08:07:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 08:07:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-11-23 08:07:11,610 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 20 [2018-11-23 08:07:11,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:07:11,611 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-11-23 08:07:11,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:07:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-11-23 08:07:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 08:07:11,612 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:07:11,612 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 08:07:11,612 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:07:11,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:07:11,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1844841631, now seen corresponding path program 1 times [2018-11-23 08:07:11,613 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:07:11,613 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 08:07:11,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:07:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:07:11,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:07:13,407 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-23 08:07:14,772 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 08:07:14,773 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:07:14,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:07:14,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 08:07:14,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:07:14,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:07:14,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:07:14,782 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 9 states. [2018-11-23 08:07:16,576 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-23 08:07:19,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:07:19,182 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-11-23 08:07:19,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:07:19,183 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-11-23 08:07:19,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:07:19,183 INFO L225 Difference]: With dead ends: 48 [2018-11-23 08:07:19,184 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 08:07:19,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:07:19,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 08:07:19,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 08:07:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 08:07:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-11-23 08:07:19,190 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 21 [2018-11-23 08:07:19,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:07:19,190 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-11-23 08:07:19,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:07:19,191 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-11-23 08:07:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 08:07:19,191 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:07:19,191 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] [2018-11-23 08:07:19,191 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:07:19,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:07:19,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1013290210, now seen corresponding path program 1 times [2018-11-23 08:07:19,192 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:07:19,192 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 08:07:19,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:07:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:07:19,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:07:19,307 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 08:07:19,307 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:07:19,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:07:19,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:07:19,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:07:19,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:07:19,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:07:19,316 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 7 states. [2018-11-23 08:07:19,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:07:19,991 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2018-11-23 08:07:19,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:07:19,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-23 08:07:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:07:19,994 INFO L225 Difference]: With dead ends: 56 [2018-11-23 08:07:19,994 INFO L226 Difference]: Without dead ends: 46 [2018-11-23 08:07:19,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:07:19,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-23 08:07:19,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-11-23 08:07:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 08:07:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-11-23 08:07:20,001 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 22 [2018-11-23 08:07:20,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:07:20,001 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2018-11-23 08:07:20,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:07:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-11-23 08:07:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 08:07:20,002 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:07:20,002 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:07:20,002 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:07:20,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:07:20,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1364989955, now seen corresponding path program 1 times [2018-11-23 08:07:20,003 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:07:20,003 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 08:07:20,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:07:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:07:20,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:07:22,147 WARN L180 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-23 08:07:24,175 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 08:07:24,175 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:07:24,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:07:24,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 08:07:24,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:07:24,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:07:24,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:07:24,190 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 9 states. [2018-11-23 08:07:28,219 WARN L180 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-23 08:07:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:07:30,781 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-11-23 08:07:30,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:07:30,782 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-23 08:07:30,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:07:30,782 INFO L225 Difference]: With dead ends: 48 [2018-11-23 08:07:30,782 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 08:07:30,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:07:30,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 08:07:30,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 08:07:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 08:07:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2018-11-23 08:07:30,788 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 23 [2018-11-23 08:07:30,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:07:30,788 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2018-11-23 08:07:30,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:07:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2018-11-23 08:07:30,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 08:07:30,789 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:07:30,789 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, 1, 1, 1] [2018-11-23 08:07:30,789 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:07:30,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:07:30,790 INFO L82 PathProgramCache]: Analyzing trace with hash -735101232, now seen corresponding path program 1 times [2018-11-23 08:07:30,790 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:07:30,790 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/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 08:07:30,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:07:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:07:30,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:07:30,903 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 08:07:30,903 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:07:30,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:07:30,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:07:30,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:07:30,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:07:30,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:07:30,911 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand 7 states. [2018-11-23 08:07:31,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:07:31,138 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2018-11-23 08:07:31,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:07:31,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-11-23 08:07:31,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:07:31,139 INFO L225 Difference]: With dead ends: 44 [2018-11-23 08:07:31,139 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:07:31,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:07:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:07:31,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:07:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:07:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:07:31,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-11-23 08:07:31,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:07:31,140 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:07:31,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:07:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:07:31,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:07:31,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:07:31,311 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-23 08:07:31,312 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-23 08:07:31,312 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-23 08:07:31,312 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:07:31,312 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:07:31,312 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:07:31,312 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:07:31,312 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 08:07:31,312 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:07:31,312 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:07:31,313 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-23 08:07:31,313 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= main_~x~0 .cse0))) [2018-11-23 08:07:31,313 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 95 98) no Hoare annotation was computed. [2018-11-23 08:07:31,313 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 84 101) the Hoare annotation is: true [2018-11-23 08:07:31,313 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 84 101) no Hoare annotation was computed. [2018-11-23 08:07:31,313 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-23 08:07:31,313 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-11-23 08:07:31,313 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 84 101) no Hoare annotation was computed. [2018-11-23 08:07:31,314 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2018-11-23 08:07:31,314 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-11-23 08:07:31,314 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-11-23 08:07:31,314 INFO L444 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 08:07:31,314 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-11-23 08:07:31,314 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-11-23 08:07:31,314 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-11-23 08:07:31,314 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-11-23 08:07:31,314 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-11-23 08:07:31,314 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-11-23 08:07:31,315 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-11-23 08:07:31,315 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-11-23 08:07:31,316 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-23 08:07:31,316 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 08:07:31,318 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-11-23 08:07:31,319 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-11-23 08:07:31,319 INFO L444 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 08:07:31,319 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-11-23 08:07:31,319 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-11-23 08:07:31,324 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,324 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,324 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,325 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,325 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,325 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,325 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,325 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,329 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:07:31 BoogieIcfgContainer [2018-11-23 08:07:31,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:07:31,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:07:31,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:07:31,341 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:07:31,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:11" (3/4) ... [2018-11-23 08:07:31,345 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:07:31,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-23 08:07:31,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:07:31,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:07:31,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-23 08:07:31,355 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 08:07:31,355 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:07:31,356 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:07:31,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 08:07:31,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 08:07:31,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 08:07:31,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 08:07:31,394 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca20add3-c551-476b-a352-d44c2d86588a/bin-2019/utaipan/witness.graphml [2018-11-23 08:07:31,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:07:31,395 INFO L168 Benchmark]: Toolchain (without parser) took 21179.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 950.8 MB in the beginning and 917.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 191.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:31,395 INFO L168 Benchmark]: CDTParser took 0.15 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 08:07:31,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:31,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.95 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:07:31,396 INFO L168 Benchmark]: Boogie Preprocessor took 28.99 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:07:31,396 INFO L168 Benchmark]: RCFGBuilder took 865.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:31,397 INFO L168 Benchmark]: TraceAbstraction took 20002.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.9 MB in the end (delta: 202.7 MB). Peak memory consumption was 202.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:07:31,397 INFO L168 Benchmark]: Witness Printer took 53.20 ms. Allocated memory is still 1.2 GB. Free memory is still 917.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:07:31,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 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 16.95 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.99 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 865.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20002.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.9 MB in the end (delta: 202.7 MB). Peak memory consumption was 202.7 MB. Max. memory is 11.5 GB. * Witness Printer took 53.20 ms. Allocated memory is still 1.2 GB. Free memory is still 917.9 MB. There was no memory consumed. 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_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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: 76]: Loop Invariant [2018-11-23 08:07:31,402 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,403 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,404 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 39]: Loop Invariant [2018-11-23 08:07:31,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,405 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,406 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,407 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 53]: Loop Invariant [2018-11-23 08:07:31,407 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,407 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,407 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,407 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,408 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,408 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,408 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,408 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,408 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,409 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,409 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,409 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,409 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,409 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,409 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:07:31,410 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. SAFE Result, 19.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 11.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 210 SDtfs, 245 SDslu, 716 SDs, 0 SdLazy, 206 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 16 PreInvPairs, 23 NumberOfFragments, 148 HoareAnnotationTreeSize, 16 FomulaSimplifications, 146 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 19 QuantifiedInterpolants, 17115 SizeOfPredicates, 16 NumberOfNonLiveVariables, 314 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...